序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 Compressive strength improvement of cement and gypsum products US12065088 2006-08-29 US07922810B2 2011-04-12 Josef Atoon
The invention relates generally to a cement or gypsum composition having improved properties, which is prepared by incorporating an enzyme into a cement material such as a cement, mortar, or concrete, or into a gypsum product. The invention also relates to methods of manufacturing improved cement compositions and gypsum products, methods of improving the compressive strength of cement compositions and gypsum products, and methods of reducing the cost of such compositions by enabling the use of less expensive aggregates in the manufacturing process. More specifically, the invention relates to a cement composition or a gypsum composition, optionally including at least one aggregate and optionally including at least one pozzolan, comprising a cement material or gypsum optionally including aggregate(s) and pozzolan(s) having blended therein an enzyme.
82 CALCIFICATION METHOD USING CALCIFYING BACTERIA US12525255 2008-01-30 US20100086367A1 2010-04-08 Sabine Darson-Baulleur; Olivier Girinsky
The invention relates to a method for improving the strength of a porous or permeable material. The invention particularly relates to a method comprising: contacting at least one type of calcification bacteria with a porous or permeable material; contacting the calcification bacteria with a calcification medium; said method or process further comprising: contact the calcification bacteria with an adhesion agent and the assimilation of the adhesion agent by the calcification bacteria. The invention can be used for reinforcing floors, in particular liquefiable floors, for the stabilisation of slopes, for the calcification of non organic or organic substrates, and for the restoration or protection of a frontage.
83 Compressive Strength Improvement of Cement and Gypsum Products US12065088 2006-08-29 US20080223259A1 2008-09-18 Josef Atoon
The invention relates generally to a cement or gypsum composition having improved properties, which is prepared by incorporating an enzyme into a cement material such as a cement, motar, or concrete, or into a gypsum product. The invention also relates to methods of manufacturing improved cement compositions and gypsum products, methods of improving the compressive strength of cement compositions and gypsum products, and methods of reducing the cost of such compositions by enabling the use of less expensive aggregates in the manufacturing process. More specifically, the invention relates to a cement composition or a gypsum composition, optionally including at least one aggregate and optionally including at least one pozzolan, comprising a cement material or gypsum optionally including aggregate(s) and pozzolan(s) having blended therein an enzyme.
84 Structured self-cleaning surfaces and method of forming same US11115946 2005-04-27 US20060246277A1 2006-11-02 Enos Axtell; George Sakoske; Daniel Swiler; Michael Hensel; Martin Baumann; David Matalka; Gary Nuccetelli
The present invention involves growing diatoms on a surface for the purpose of forming nanoscale-sized siliceous structures on the surface. In accordance with the invention, diatom films are grown on various substrates, which are then fired to remove all organic material from the diatoms and produce a surface coated with intricate, nanoscale-sized structures. The nanoscale-sized structured surface is subsequently treated with a hydrophobic film-forming agent to form a structured self-cleaning surface.
85 Porous synthetic bone graft and method of manufacture thereof US10343482 2001-07-27 US07094371B2 2006-08-22 Wei Jen Lo
A process for preparing artificial bone is described which comprises: (i) preparing a mixture of a finely divided bio-compatible ceramic powder, an organic binder and a pore-forming agent in an inert liquid to form a body and causing at least some of the pore-forming agent to align along a common axis; (ii) optionally shaping the resulting body; (iii) allowing the pore-forming agent to form a porous structure in the body; (iv) heating the shaped body to a temperature sufficient to fix the porous structure and; (v) further heating the body to eliminate residues of organic binder and pore-forming agent and to fuse it.
86 Process and a plant for the production of Portland cement clinker US10474930 2002-04-12 US06908507B2 2005-06-21 Jean-Marie Lalande; Anne Tremblay
A process is disclosed for producing cement clinker, comprising the steps of: a) providing a mixture of ground calcareous materials and ground argillaceous materials; b) heating the mixture of step a) to a temperature sufficient to calcine and fuse the ground materials to form the cement clinker, and thereby producing an exhaust gas containing CO2; c) catalysing the hydration of at least a portion of the CO2 contained in the exhaust gas and producing a solution containing bicarbonate ions and hydrogen ions; and d) adding to the solution obtained in step c) metal ions, and adjusting the pH of the solution to precipitate a carbonate or said metal. Preferably, the metal ions are Ca++ obtained from the dissolution of a material selected from the group consisting of CaCl2, cement kiln dust and sea salts and the carbonate is CaCO3 which is advantageously recycled into the process by adding the CaCO3 to the mixture of step a). A cement plant for performing this process is also disclosed.
87 Process and a plant for the production of portland cement clinker US10474930 2003-10-14 US20040129181A1 2004-07-08 Jean-Marie Lalande; Anne Tremblay
A process is disclosed for producing cement clinker, comprising the steps of: a) providing a mixture of ground calcareous materials and ground argillaceous materials; b) heating the mixture of step a) to a temperature sufficient to calcine and fuse the ground materials to form the cement clinker, and thereby producing an exhaust gas containing CO2; c) catalysing the hydration of at least a portion of the CO2 contained in the exhaust gas and producing a solution containing bicarbonate ions and hydrogen ions; and d) adding to the solution obtained in step c) metal ions, and adjusting the pH of the solution to precipitate a carbonate or said metal. Preferably, the metal ions are Canullnull obtained from the dissolution of a material selected from the group consisting of CaCl2, cement kiln dust and sea salts and the carbonate is CaCO3 which is advantageously recycled into the process by adding the CaCO3 to the mixture of step a). A cement plant for performing this process is also disclosed.
88 Methods and compositions for forming permeable cement sand screens in wells US10013975 2001-12-11 US06662873B1 2003-12-16 Philip D. Nguyen; David L. Brown; Johnny A. Barton
Methods of forming a permeable cement composition in a well bore adjacent to a fluid producing zone therein and cement compositions for forming permeable cement sand screens in well bores are provided. A cement composition of the invention is comprised of a hydraulic cement, a particulate cross-linked aqueous gel having a size in the range of from about 100 microns to about 3000 microns containing an internal temperature activated breaker, a particulate dehydrated cross-linked aqueous gel having a size in the range,of from about 40 microns to about 500 microns containing an internal temperature activated breaker and water present in an amount sufficient to form a slurry.
89 Encapsulation method for maintaining biodecontamination activity US09606563 2000-06-29 US06465706B1 2002-10-15 Robert D. Rogers; Melinda A. Hamilton; Lee O. Nelson; Jennifer Benson; Martin J. Green; Timothy N. Milner
A method for maintaining the viability and subsequent activity of microorganisms utilized in a variety of environments to promote biodecontamination of surfaces. One application involves the decontamination of concrete surfaces. Encapsulation of microbial influenced degradation (MID) microorganisms has shown that MID activity is effectively maintained under passive conditions, that is, without manual addition of moisture or nutrients, for an extended period of time.
90 Composition and process for improving water quality and fuel US585236 1996-01-11 US5683951A 1997-11-04 Teruo Higa
According to the present invention, ceramics which are prepared by calcining a composition comprising raw ceramic materials and a microorganisms and/or culture fluid thereof, wherein the microorganisms is capable of producing an antioxidation material. The ceramic of the present invention possesses a variety of activities of, for instance, improving the soil, decomposing sewage or sludge, and deodorizing an unpleasant odor.
91 Composition and process for deodorizing an odor US585235 1996-01-11 US5683664A 1997-11-04 Teruo Higa
According to the present invention, ceramics which are prepared by calcining a composition comprising raw ceramic materials and a microorganism and/or culture fluid thereof, wherein the microorganisms is capable of producing an antioxidation material. The ceramic of the present invention possesses a variety of activities of, for instance, improving the soil, decomposing sewage or sludge, and deodorizing an unpleasant odor.
92 Process for preparing functional ceramics US585238 1996-01-11 US5602065A 1997-02-11 Teruo Higa
According to the present invention, ceramics which are prepared by calcining a composition comprising raw ceramic materials and a microorganism and/or culture fluid thereof, wherein the microorganisms is capable of producing an antioxidation material. The ceramic of the present invention possesses a variety of activities of, for instance, improving the soil, decomposing sewage or sludge, and deodorizing an unpleasant odor.
93 PROCESS FOR OBTAINING A CEMENTITIOUS MINERAL SUBSTANCE US15495595 2017-04-24 US20170306357A1 2017-10-26 Riad SARRAF
The invention relates to a method for obtaining a mineral substance from a base comprising mineral matter, the method comprising obtaining the base comprising a predetermined quantity of the mineral matter synthesised by a living structure or a portion of the latter, characterised in that obtaining the base comprises providing the living structure and providing at least one lactic acid microorganism suitable for symbiosis with the living structure for the synthesis of the mineral matter of the mineral substance. The invention also relates to a mineralising composition comprising a living structure, a lactic acid microorganism, a nutritive substance; the mineral substance used in the method; and the use of a combination of a living structure and a lactic acid microorganism in symbiosis with each other as a mineralising agent in a self-regenerating material.
94 Treatment of a subterranean formation with composition including a microorganism or compound generated by the same US13867536 2013-04-22 US09670395B2 2017-06-06 Cato Russell McDaniel
The present invention relates to methods of treating a subterranean formation with a composition including a compound made by a microorganism or a microorganism that can make the compound. Various embodiments provide methods of using compositions for treatment of subterranean formations including exopolysaccharides or microorganisms that can make exopolysaccharides under downhole conditions. In various embodiments, the present invention provides a method of treating a subterranean formation, including providing at least one exopolysaccharide by subjecting an extremophilic or extremotolerant microorganism to conditions such that the microorganism forms the exopolysaccharide, or by subjecting a microorganism genetically modified using an extremophilic or extremotolerant microorganism to conditions such that the microorganism forms the exopolysaccharide. The method can also include contacting a composition including the exopolysaccharide with a subterranean material downhole.
95 Microcapsules and concrete containing the same US13962638 2013-08-08 US09611177B2 2017-04-04 Hugo Soens; Nele De Belie; Jianyun Wang; Maxime Durka
Microcapsules for inclusion in concrete are disclosed. The microcapsules are adapted to reduce the area of defects in the concrete. The microcapsules may include carbonatogenic bacteria spores in a liquid core, contained in a polymer layer. Also disclosed are concrete compositions including the microcapsules.
96 METHODS OF DELIVERING CALCIUM CARBONATE PRODUCING MICROBES OR ENZYMES DOWNHOLE US14822234 2015-08-10 US20170044420A1 2017-02-16 Michael B. Wilson; Mark A. Vorderbruggen; Charles David Armstrong
A method of delivering a microbe or enzyme to a selected location comprises conveying a coated aggregate to a selected location; wherein the coated aggregate comprises an aggregate and a coating disposed on the aggregate; the coating comprising a polymer matrix and a calcium carbonate producing agent comprising a microbe, an enzyme, or a combination comprising at least one of the foregoing.
97 COMPOSITIONS AND METHODS FOR CEMENTING A WELLBORE USING MICROBES OR ENZYMES US14814925 2015-07-31 US20170029689A1 2017-02-02 Michael B. Wilson; Mark A. Vorderbruggen; Charles David Armstrong
A method of cementing a wellbore penetrating a subterranean formation comprises injecting into the wellbore a settable slurry comprising: an aqueous carrier; an aggregate; urea; a calcium source; and a calcium carbonate producing agent comprising a microbe, an enzyme, or a combination comprising at least one of the foregoing; and allowing the slurry to set.
98 HEALING AGENT FOR SELF-HEALING CEMENTIOUS MATERIAL US14542404 2014-11-14 US20160347658A1 2016-12-01 Hendrik Marius JONKERS
The invention provides a process for the production of a cementious material. The process comprises mixing cement starting materials and a particulate healing agent to provide the cementious material. The healing agent comprises coated particles, wherein the coated particles comprise bacterial material and additive. The bacterial material is selected from the group consisting of a bacterium, a lyophilized bacterium and a bacterial spore of a bacterium. The present invention solves these problems, as (substantially leakage-proof) tablets containing the actual healing agent may neither interfere with either the workability of the liquid mixture (“cementious material”) nor negatively affect properties of either mixture or final material (hardened concrete), even when applied in large quantities. During crack formation in cementious based constructions, the particles also crack, and healing agent is released.
99 BIO-BASED REPAIR METHOD FOR CONCRETE US14891550 2014-05-16 US20160090328A1 2016-03-31 Virginie Aline Christiane WIKTOR; Hendrik Marius JONKERS
The invention provides a process for the bio-based reparation of a concrete element having an element surface with cavities, comprising applying a first liquid with a first composition and a second liquid with a second composition to the element surface of the concrete element to provide a combined product to the cavities, wherein the first composition and the second composition are selected to provide gel formation in the cavities after application of one or more of the first liquid and the second liquid to the element surface, wherein the first composition and the second composition are also selected to provide bacterial material, a calcium source, and a nutrient for bacteria in the cavities after application of the first liquid and the second liquid to the element surface, wherein the first liquid at least comprises sodium silicate and wherein the second liquid at least comprises the calcium source.
100 Method of manufacturing soil reinforced by microbe-based bio-binders and soil produced by the method US13819516 2011-11-10 US09074134B2 2015-07-07 Sang Chul Bang; Sookie S. Bang; Seong Rok Choi; Seok Jin Lee; Joo Ho Lee; Jong Sun Kim
The present invention relates to a method of manufacturing soil reinforced by microbe-based bio-binders and soil produced by the method. The bio-binders are not harmful to humans, do not cause environmental pollution and secure sufficiently the soil strength and resistance against wind. According to the method, the soil is prepared by binding sand whose major components are silica and alumina, ureolytic microbes, urea, calcium ion, and polymer fibers, and the content of polymer fibers in sand ranges from 0.05 wt % to 5 wt %. In addition, it is preferable that the microbes provide CaCO3 at a rate at 1˜7×10−9 g CaCO3 ppt cell−1 hr−1 under optimum conditions.
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