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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
261	Grout admixture, cement composition and grout material	JP20894598	1998-07-24	JP2000044308A	2000-02-15	SUGITA ATSUSHI; ISOZAKI HIROSHI; MIHARA TOSHIO; TAKAHASHI MITSUO
PROBLEM TO BE SOLVED: To prepare an admixture capable of giving grout mortar having good fluidity, hardly causing flow-down, excellent in workability and sparingly causing contraction after being filled and cured by including calcium sulfoaluminate, a water reducing agent, a fluorine-including calcareous material and an alkaline earth metal sulfonate. SOLUTION: This grout admixture is prepared by including (A) (pref. 30-50 pts.wt.) calcium sulfoaluminate pref. having 5,000-7,000 cm2/g grain size in terms of Blaine value, (B) (pref. 10-15 pts.wt.) water reducing agent pref. including a poly(alkylarylsulfonate) condensate and/or naphthalenesulfonate one and polycarboxylate, (C) (pref. 30-50 pts.wt.) fluorine-including calcareous material crushed and having grain size so as to completely pass through 88 μm mesh size of a sieve, (D) (pref. 5-15 pts.wt.) an alkaline earth metal sulfonate crushed and having grain size so as to completely pass through 88 μm mesh size of a sieve respectively based on 100 pts.wt. total of the ingredients A, B, C and D. COPYRIGHT: (C)2000,JPO
262	Solidifying material	JP8357598	1998-03-30	JPH11278911A	1999-10-12	SAKAMAKI KATSUYUKI; OMORI KEIJI; SASAKI KOTA
PROBLEM TO BE SOLVED: To obtain a solidifying material capable of providing a high strength and effectively utilizing wastes. SOLUTION: This solidifying material is obtained by mixing 100 pts.wt. of a baked material made from one or more kinds selected from a municipal refuse incinerated ash and a sewage sludge incinerated ash as a raw material and containing 10-40 wt.% of one or more kinds of C ₁₁A ₇CaCl ₂, C ₁₁A ₇CaF ₂ and C ₃A and further containing C ₂S and/or C ₃S with 5-50 pts.wt. of a gypsum and 10-60 pts.wt. of quicklime and/or slaked lime. COPYRIGHT: (C)1999,JPO
263	Water-hardenable composition with high fluidity	JP29586797	1997-10-28	JPH11130507A	1999-05-18	KATO HIROYOSHI; YOSHIOKA KAZUHIRO
PROBLEM TO BE SOLVED: To obtain a water-hardenable composition with high fluidity, having excellent fluidity, small change of the fluidity with time and stable fluidity. SOLUTION: This water-hardenable composition with high fluidity comprises a portland cement including gypsum in a mixture of a cement clinker powder having <=5 wt.% content of 3Ca.Al2 O3 and in an amount regulated so that the amount of the gypsum expressed in terms of SO3 may satisfy the formula 0.05A+1.70<=B<=0.30A+1.70 [A is the content (wt.%) of the 3CaO.A12 O3 in the cement clinker; B is the content of the gypsum (wt.% expressed in terms of SO3 ) ] and the content of hemihydrate gypsum expressed in terms of the SO3 may satisfy the formula 0.02A+0.50<=C<=0.20A+0.50 [C is the content of the hemihydrate gypsum (expressed in terms of the SO3 ) in the portland cement, a cement disperser and water.
264	Heat-setting cement composition and production of cemented excelsior board by using the composition	JP27460597	1997-10-07	JPH11116314A	1999-04-27	KAWAKAMI YUICHI
PROBLEM TO BE SOLVED: To provide a heat-setting cement composition giving a cemented excelsior board having improved dimensional stability in high productivity and provide a process for the production of a cemented excelsior board by using the cement composition. SOLUTION: This heat-setting cement composition is produced by mixing a cement component comprising Portland cement and a heat-setting component composed mainly of alumina cement, etc., with wollastonite at a cement component: wollastonite weight ratio of 1:(0.2-0.4). A cemented excelsior board can be produced by kneading the heat-setting cement composition with wood material and water, forming the obtained mixture 2 to a prescribed form by using a mold frame 1, etc., and setting with heat.
265	Highly fluid hydraulic composition	JP29408097	1997-10-27	JPH1192206A	1999-04-06	KATO HIROYOSHI
PROBLEM TO BE SOLVED: To obtain the subject hydraulic composition with excellent fluidity, also stable in the fluidity with slight change thereof with the lapse of time. SOLUTION: This composition comprises a hydraulic component, a cement dispersant, and water; wherein the hydraulic component is a mixture which is prepared by blending a mixture composed of 20-80 wt.% of cement clinker powder and 80-20 wt.% of blast furnace slag powder with such an amount of gypsum hemihydrate that the SO3 level accounts for 0.5-3.5 wt.% of the total amount of the cement clinker powder and the blast furnace slag powder and also adjusted so as to satisfy the relationship: H<=1.2×C/100+0.2 (H is the weight ratio of the gypsum hemihydrate to the cement clinker power plus blast furnace stag powder (wt. %, in terms of SO3 ); C is the proportion of the cement clinker powder mixed (wt.%)).
266	Heat hardening type cement composition, production of formed product and board for building	JP2128797	1997-02-04	JPH10218656A	1998-08-18	KAWAKAMI YUICHI
PROBLEM TO BE SOLVED: To obtain a composition capable of providing a formed and hardened material having small elongation by water absorption and excellent in strength by substituting a part of the cement composition with a blast furnace slag, in a composition obtained by adding a specific amount of alkali metal salt of an organic carboxylic acid to the cement composition comprising each specific amount of a Portland cement, an alumina cement and anhydrous gypsum. SOLUTION: This composition is obtained by substituting a part of a cement composition in a composition obtained by adding 0.2-2.0 pts.wt. alkali metal salt, preferably an Na of K salt of one or more organic carboxylic acids of citric acid, malic acid, gluconic acid, glutaric acid and glytcolic acid to the cement composition comprising 50-96 pts.wt. Portland cement, 2.0-25 pts.wt. alumina cement, 1.5-15 pts.wt. anhydrous gypsum or hemihydrate gypsum and 0-10 pts.wt. hydrated lime with a blast furnace slag. Preferably, the weight ratio of the cement composition to the blast furnace slag is (1:0.2) to (1:1).
267	Production of high-strength gypsum hardened body	JP9905894	1994-03-31	JPH07277806A	1995-10-24	TANABE SHINKICHI; MIYAJI TADANORI
PURPOSE: To stably and easily produce a high-strength gypsum hardened body by preventing gelation of a silica sol, adjusting it to desired pH., and controlling easily the time of coagulation of hemihydrate gypsum. CONSTITUTION: In the production of the high-strength gypsum hardened body from the hemihydrate and silica sol, phosphoric acid and/or a phosphate and further, a mineral acid and/or an alkali metal hydoxide are added to adjust the pH and then this sol is mixed with gypsum. COPYRIGHT: (C)1995,JPO
268	Production of gypsum hemihydrate from elemental sulfur	JP2836994	1994-02-25	JPH07237920A	1995-09-12	TATANI ATSUSHI; FUJITA HIROSHI; KOTAKE SHINICHIRO
PURPOSE: To produce gypsum hemihydrate useful for the production of gypsum board for architectural material, etc., by using elemental sulfur as a starting raw material. CONSTITUTION: Gypsum hemihydrate is produced by introducing a gas having high SO ₂ concentration and obtained by the combustion of elemental sulfur into a reactor to contact the gas with a water slurry, supplying limestone powder (CaCO ₃) and air to the reactor to effect the absorption, oxidation and neutralization of SO ₂ and obtain a gypsum slurry, separating a gypsum cake from the slurry by solid-liquid separation and heating the cake with heat generated by the combustion process. The process enables the production of gypsum hemihydrate in high efficiency by effectively utilizing the heat generated in the same process. COPYRIGHT: (C)1995,JPO
269	Curing/coagulating agent of incineration ash and production of building material	JP27430693	1993-11-02	JPH07124535A	1995-05-16	SANO YONEMI
PURPOSE:To achieve a cost reduction and to obtain high hardness by using a compsn. based on cement and containing lignosulfonate, lime, gypsum and silicate as auxiliary agents as a curing/coagulating agent curing and coagulating incineration ash in order to reutilize incineration ash as aggregate of a building material. CONSTITUTION:As a curing/coagulating agent curing and coagulating the so- called fly ash being the fine powdery coal ash discharged from a steam power plant and the incineration ash discharged from a garbage incinerator in order to reutilize both of them as aggregate of a building material, a compsn. based on cement, containing lignosulfonate as a dispersing and fluidizing agent/water reducing agent and further containing lime/gypsum and silicate as a curing accelerating agent as auxiliary agents mixed with cement is used. This curing/ coagulating agent is mixed with incineration ash and the mixture of the curing/ coagulating agent and incineration ash are cured and coagulated to produce a desired building material. As silicate, aluminum silicate is pref. used. By this constitution, a building material having a high hardness is obtained at a low cost.
270	Mortar and device for fixing anchor member in bored hole	JP23036393	1993-09-16	JPH06263501A	1994-09-20	PETAA MAUTE; URURITSUHI HENZE; MONIKA MENHI
PURPOSE: To improve the anchoring effect and storage stability of a mortar by making the mortar contain a specific inorganic and organic hardenable compound mixture, a filler, a solvent, a promoter and/or another mortar component. CONSTITUTION: This mortar is produced by blending 30 to 99 wt.% of an inorganic and organic hardenable compound mixture obtained by mixing a hydraulic and/or polycondensible silicate compound(s) that consists of a cement having a low iron oxide content and/or gypsum, with a hardenable vinyl ester in a ratio of (silicate compound(s)):(vinyl ester) of 1:4 to 3:1; 5 to 90 wt.% of a reactive diluent; 2 to 20 wt.% of a hardening agent; 10 to 80 wt.% of water; 0 to 60 wt.% of a filler; 0.01 to 2 wt.% of a setting or hardening promoter; and 0.1 to 5 wt.% of mineral or organic fiber having 50 to 150 μm fiber length. COPYRIGHT: (C)1994,JPO
271	JPH0351665B2 -	JP11404779	1979-09-05	JPH0351665B2	1991-08-07	YUUJIN EDOWAADO ONIIRU

272	JPS5732014B2 -	JP8930280	1980-07-02	JPS5732014B2	1982-07-08
A process and apparatus for producing a healed stucco having lowered water demand without loss of normal strength development potential which comprises, while blending a small amount of water with the calcined gypsum, simultaneously or substantially simultaneously grinding the calcined gypsum so as to increase the surface area of the calcined gypsum particles while incorporating about 1-10% by weight of the calcined gypsum of free water.
273	JPS5731531B2 -	JP5261775	1975-05-02	JPS5731531B2	1982-07-05

274	Natural or synthetic gypsum for producing hard gypsum bonding agent and method of making same gypsum	JP15149078	1978-12-09	JPS5488926A	1979-07-14	ROBERU BARARU; ROORAN BASHIERARU

275	Manufacturing process for plaster from ferrous sulfate	JP11955077	1977-10-06	JPS5346498A	1978-04-26	CHIYAARUSU ARUBAATO HOUIIDON; PIITAA REIIDON KAU; UIRIAMU ERITSUKU KUREKAA

276	GYPSUM BASED FORMULATIONS	EP09737135.5	2009-10-19	EP2361264B1	2018-08-22	SMITH, Agnes; CHOTARD, Thierry; DUPAS, Cyrielle Sandrine; WILKES, Ian
The formulation for making plasterboard with paper cover sheets comprises finely divided gypsum, a minor amount by weight of starch and, as crosslinking agent for the starch, a tri-functional reactive s-triazine having substituents at positions 2, 4 and 6 of the triazine ring which are reactive with the starch. A preferred crosslinking agent is 2,4,6-trichloro-s-triazine, which is preferably partially reacted with the starch before further reaction with the paper cover sheets for the plaster board.
277	COMPOSITE GYPSUM BOARD AND METHODS RELATED THERETO	EP16738261.3	2016-06-22	EP3313659A1	2018-05-02	LI, Alfred C.; SONG, Weixin D.; SANG, Yijun; DIEFENBACHER, Gregg G.; VILINSKA, Annamaria; CHRIST, Brian J.; JONES, Frederick T.; TODD, Bradley W.
Disclosed is a composite gypsum board comprising a board core and a concentrated layer of substantial thickness (e.g., at least about 0.02 inches). The concentrated layer includes a higher weight percentage of an enhancing additive than the board core. The board core has a thickness greater than the thickness of the concentrated layer and forms the bulk of the board volume. The concentrated layer has a higher density (e.g., at least about 1.1 times greater) than the density of the board core. Also disclosed is a method of preparing a composite gypsum board.
278	GYPSUM PANELS, SYSTEMS, AND METHODS	EP16747191.1	2016-02-03	EP3253930A1	2017-12-13	THOMAS, Vincent B.; BRADFORD, Rochelle; SANDERS, Christopher J.; TENG, Yi-Hsien Harry
Gypsum panels, sheathing systems, and methods of making and using the same are provided. A gypsum panel includes a gypsum core associated with a first fiberglass mat having a continuous barrier coating, the coating penetrating a portion of the first fiberglass mat opposite the gypsum core, wherein gypsum penetrates a remaining fibrous portion of the first fiberglass mat such that voids in the first fiberglass mat are substantially eliminated. A building sheathing system includes at least two gypsum panels and a seaming component to provide a seam at an interface between the gypsum panels.
279	HIGH STARCH LIGHT WEIGHT GYPSUM WALLBOARD	EP06772613	2006-06-08	EP1893374A4	2016-12-14	YU QIANG; SONG WEIXIN D; LYNN MICHAEL R
The invention generally provides gypsum-containing slurries including stucco, naphthalenesulfonate dispersant, and pregelatinized starch. The naphthalenesulfonate dispersant is present in an amount of about 0.1%-3.0% by weight based on the weight of dry stucco. The pregelatinized starch is present in an amount of at least about 0.5% by weight up to about 10% by weight of pregelatinized starch by weight based on the weight of dry stucco in the formulation. Other slurry additives can include trimetaphosphate salts, accelerators, binders, paper fiber, glass fiber, and other known ingredients. The invention also comprises the gypsum-containing products made with such slurries, for example, gypsum wallboard, and a method of making gypsum wallboard.
280	MULTIPHASIC BONE GRAFT SUBSTITUTE MATERIAL	EP14824277.9	2014-12-12	EP3079733A1	2016-10-19	MOSELEY, Jon; MACDOUGALL, Jamie; HARRIGAN, Katie
The invention provides a particulate composition adapted for forming a bone graft substitute cement upon mixing with an aqueous solution, comprising i) a calcium sulfate hemihydrate powder, wherein the calcium sulfate hemihydrate is present at a concentration of at least about 50 weight percent based on the total weight of the particulate composition; ii) a monocalcium phosphate monohydrate powder; iii) a non-porous ²-tricalcium phosphate powder; and iv) a porous ²-tricalcium phosphate powder. Bone graft substitute cements made therefrom, a bone graft substitute kit comprising the particulate composition, methods of making and using the particulate composition, and articles made from the bone graft substitute cement are also provided.

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