序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
101 NEW POLYMERS DERIVED FROM RENEWABLY RESOURCED LYSINOL US13835313 2013-03-15 US20140275311A1 2014-09-18 DAVID N. MARKS; KENNETH GENE MOLOY; MARK A. SCIALDONE; MANXUE WANG
Disclosed are salt compositions of lysinol and dicarboxylic acids; and lysinol derived polymers including polyamide, polyimide, polyurea, cross-linked polyurea comprising urethane linkages, polyurea foams, cross-linked polyurea foams, and lysinol-epoxy thermoset.
102 Amine-aldehyde resins and uses thereof in separation processes US11480561 2006-07-05 US08757389B2 2014-06-24 James T. Wright; Carl R. White; Kurt Gabrielson; John B. Hines; Lisa M. Arthur; Michael J. Cousin
Amine-aldehyde resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These resins are especially useful as froth flotation depressants, for example in the beneficiation of value materials (e.g., bitumen, coal, or kaolin clay) to remove impurities such as sand. The resins are also useful for treating aqueous liquid suspensions to remove solid particulates, as well as for removing metallic ions in the purification of water.
103 UREA-BASED PRESSURE-SENSITIVE ADHESIVES US12810168 2008-12-12 US20110123800A1 2011-05-26 Audrey A. Sherman; Wendi J. Winkler; Scott M. Tapio; Robert J. Reuter; James P. Dizio
Non-silicone urea-based adhesives are disclosed which are prepared by the polymerization of reactive oligomers with the general formula X—B—X, where X is an ethylenically unsaturated group and B is a unit free of silicone and containing urea groups. The reactive oligomers can be prepared from polyamines through chain extension reactions using diaryl carbonates followed by capping reactions. Adhesive articles, including optical adhesive articles may be prepared using the disclosed non-silicone urea-based adhesives.
104 Highly Functional, Highly Branched Polyureas US10586650 2005-02-07 US20080306237A1 2008-12-11 Bernd Bruchmann; Peter Rudolf; Jean-Francois Stumbe
The present invention relates to a process for preparing high-functionality highly branched polyureas which comprises reacting one or more ureas with one or more amines having at least two primary and/or secondary amino groups, at least one amine having at least three primary and/or secondary amino groups.
105 POLY(CARBONATE-CO-UREA) COPOLYMERS AND MELT TRANSESTERIFICATION METHOD OF PREPARING THESE COPOLYMERS US11743761 2007-05-03 US20080275209A1 2008-11-06 Jan Henk Kamps; Edward Kung; Jan-Pleun Lens
Disclosed herein is a process to prepare a poly(carbonate-co-urea) copolymer comprising reacting in the melt: (a) a dihydroxy reaction component comprising a dihydroxy compound, (b) a diaryl carbonate reaction component comprising a diaryl carbonate, (c) a urea reaction component comprising a urea compound in the presence of (d) a transesterification catalyst during at least part of the reaction and removing a phenolic byproduct to produce a poly(carbonate-co-urea) copolymer, wherein the urea and dihydroxy compounds are reacted in a molar ratio: (total moles of urea compound)/((total moles of urea compound)+(total moles of dihydroxy compound)) of less than or equal to 0.5.
106 Process for preparing biocompatible polyurea US10525953 2003-08-07 US20060122367A1 2006-06-08 Rolf Mulhaupt; Jacobus Loontjens; Steffen Maier; Jorg Zimmermann
A process is provided for preparing urea-containing polymers by contacting a hydroxy-functional organic compound having a functionality of two or more, with a coupling agent in the presence of a strong base, wherein the coupling agent is a carbonylbislactam compound having the general formula (I): wherein n is an integer from 3 to 15, and that the contacting is conducted at a temperature between 0° C. and 80° C. The polymers thus obtained are believed to be new and are useful e.g. in tissue engineering and coatings applications.
107 Polymers with urea groups and silyl groups and production and use thereof US10415185 2001-10-24 US07057001B2 2006-06-06 Thomas Bachon; Wilfried Huebner; Hermann Kluth; Wolfgang Klauck; Johann Klein
A process for the production of compounds which contain at least one urea group and at least one silyl group. The process involves reacting a compound containing at least one amino group and a carbamate compound. The compounds produced by this process are useful as surface coating compositions, foams and adhesives.
108 Use of urea variants as affinity ligands US10531783 2003-09-12 US20060014735A1 2006-01-19 Andreas Axen; Herbert Baumann; Enrique Carredano; Anna Gronberg; Elles Steensma
The present invention relates to an IgG-binding compound, which more specifically has affinity for human IgGs of κ-type and functional derivatives thereof. More specifically, the compound according to the invention comprises an N,N-alkylated urea moiety located between an aromatic part and another part, which is a linear or cyclic substituted or unsubstituted aliphatic group. The compound binds to a pocket-shaped binding site present on all human IgG κ-Fabs, which site is located between the two domains (CH1 and CL) of its constant part. Accordingly, the compound according to the invention is a ligand for human IgGs of κ-type, and consequently, the invention also relates to a separation matrix for affinity chromatography, which matrix comprises said compound, as well as to other uses of the compound.
109 Narrow poly- and mono-dispersed anionic oligomers US979085 1997-11-26 US5986044A 1999-11-16 Alan D. Cardin; Michael J. Mullins; William A. Fordyce; Thomas A. Chamberlin; Michael J. Fazio
The narrow poly- or mono-dispersed oligomers of the present invention are polyureas, polycarbonates, polyesters or polyamides having a recurring unit of from 3 to 50. These oligomers are water-soluble, preferably have a rigid backbone, have recurring units coupled by carbonyl linking moieties which have anionic groups, display predominantly linear geometry such that regular spacing between anionic groups exists in an aqueous medium, and are pharmaceutically-acceptable. The narrow poly- or mono-dispersed oligomers are useful for the treatment and/or diagnosis of AIDS and/or ARC or HSV.
110 Form of paroxetine hydrochloride anhydrate US922060 1997-09-02 US5900423A 1999-05-04 Neal Ward; Victor Witold Jacewicz
"Paroxetine hydrochloride (I) anhydrate ##STR1## free of bound propan-2-ol, and various forms thereof, are useful in the treatment of depression and other disorders for which administration of selective serotonin reuptake inhibitors are indicated."
111 Form of paroxetine hydrochloride anhydrate US733874 1996-10-18 US5872132A 1999-02-16 Neal Ward; Victor Witold Jacewicz
"Paroxetine hydrochloride (I) anhydrate ##STR1## free of bound propan-2-ol, and various forms thereof, are useful in the treatment of depression and other disorders for which administration of selective serotonin reuptake inhibitors are indicated."
112 Anti-HIV achiral polyurea oligomers, a process for creating them, formulations using them, and their use in the treatment of AIDS US174597 1993-12-27 US5728874A 1998-03-17 Michael J. Mullins; Ray E. Drumright; Alan D. Cardin; Norton P. Peet
The present invention relates to achiral polyurea oligomers, their uses and formulations as anti-HIV pharmaceuticals and to a process for the preparation of narrow mono- and polydispersed oligomers as an emodiment of the invention. The achiral oligomers are derived from repeating units of the monomer 4,4'-diamino-biphenyl-3,3'-disulfonic acid and are water soluble, have a rigid backbone, possess ordered anionic spacing and have a number average molecular weight of <20,000. The process relates to the synthesis of narrow poly- and mono-dipersed oligomers comprising the steps of: 1) restricting the crude olydispersed anionic oligomer mixture to a narrow polydispersed anionic oligomer mixture to a narrow polydispersed anionic oligomer mixture; and/or 2) isolating the monodispersed anionic oligomer; and 3) optionally converting the narrow poly- or mono-dispersed anionic oligomer salt from Step 1 or 2 to a desired pharmaceutically-acceptable salt, especially a solim or potassium salt. The process steps may be executed whereby step 1 or 2 is done alone, each in combination with Step 3, or all three steps are done.
113 Anti-herpes virus and cytomegalovirus polyamide oligomers US469386 1995-06-06 US5728731A 1998-03-17 Alan D. Cardin; Richard L. Jackson; Michael J. Mullins
The oligomers of the present invention are polyamides having a number average molecular weight of <10,000. These oligomers are water-soluble, have a rigid backbone with a predictable anion spacing, and are pharmaceutically-acceptable. The oligomers are useful for the treatment and/or diagnosis of HSV and HCMV.
114 Anti-HIV pharmaceutical formulations US445192 1995-05-19 US5670143A 1997-09-23 Alan D. Cardin; Richard L. Jackson; Michael J. Mullins
The preferred oligomers of the present invention are polyureas, polycarbonates, polyesters or polyamides having a number average molecular weight of <10,000. These oligomers are water-soluble, have a rigid backbone, have recurring units coupled by carbonyl linking moieties which have anionic groups, display predominantly linear geomentry such that regular spacing between anionic groups exists in an aqueous medium, and are pharmaceutically-acceptable. The oligomers are useful for the treatment and/or diagnosis of AIDS and ARC.
115 Anti-HIV oligomers US445158 1995-05-19 US5571505A 1996-11-05 Alan D. Cardin; Richard L. Jackson; Michael J. Mullins
The preferred oligomers of the present invention are polyureas, polycarbonates, polyesters or polyamides having a number average molecular weight of <10,000. These oligomers are water-soluble, have a rigid backbone, have recurring units coupled by carbonyl linking moieties which have anionic groups, display predominantly linear geomentry such that regular spacing between anionic groups exists in an aqueous medium, and are pharmaceutically-acceptable. The oligomers are useful for the treatment and/or diagnosis of AIDS and ARC.
116 N-menthylol derivatives of polycondensation products, their preparation and use US379250 1995-01-27 US5569724A 1996-10-29 Udo-Winfried Hendricks; Ralf Heinen
N-Methylol derivatives of polycondensation products containing quaternary N atoms obtained fromA) basic ureas of the formulaHN(R.sup.1)--C--N(R.sup.2)--X.sup.1 --N(R.sup.3, R.sup.4) (I),B) polyamines of the formula(R.sup.6, R.sup.7)N--X.sup.2 --N(R.sup.8, R.sup.9) (II)andC) bifunctional alkylating agents,in whichX.sup.1, X.sup.2 and R.sup.1 -R.sup.9 have the meanings given in the description, are new. They are used as agents for improving the wet fastness properties of dyeings on cellulose and cellulose blend fabrics.
117 Thermosetting resinous composition containing polyfunctional oxazolidinone terminated epoxy resins US51906 1993-04-26 US5324797A 1994-06-28 Toshiyuki Ishii; Hiroyuki Nojiri; Mitsuo Yamada; Ryuzo Mizuguchi
A thermosetting resinous composition contains (a) a polyfunctional oxazolidinone compound and (b) a polyamine which react with one another a polyurea polymer upon heating without emitting any emanating by-product. A novel class of polyfunctional oxazolidinone compounds and an improved method for producing the same are also disclosed.
118 Poyurea based dispersions, foams prepared therefrom, and a process for the preparation therein US843697 1992-02-28 US5288766A 1994-02-22 Thirumurti Narayan; Michael G. Kinnaird
Stable urea group-containing dispersions are obtained in situ by reacting carbon dioxide with an amine in the presence of a continuous phase carrier. These amine/carbon dioxide condensation adducts dispersed in the carrier are employed in the formation of polyurethane foams, polyurethane elastomers and coatings, and polyurethane microcellular foams.
119 Process for preparing polyurea oligomers US710370 1991-06-10 US5276182A 1994-01-04 Alan D. Cardin; Richard L. Jackson; Michael J. Mullins
The preferred oligomers of the present invention are polyureas, polycarbonates, polyesters or polyamides having a number average molecular weight of <10,000. These oligomers are water-soluble, have a rigid backbone, have recurring units coupled by carbonyl linking moieties which have anionic groups, display predominantly linear geomentry such that regular spacing between anionic groups exists in an aqueous medium, and are pharmaceutically-acceptable. The oligomers are useful for the treatment and/or diagnosis of ARC.
120 Thermosetting resinous composition containing polyfunctional oxazolidinone component and polyamine component US941297 1992-09-04 US5237021A 1993-08-17 Toshiyuki Ishii; Hiroyuki Nojiri; Mitsuo Yamada; Ryuzo Mizuguchi
A thermosetting resinous composition contains (a) a polyfunctional oxazolidinone compound and (b) a polyamine which react with one another a polyurea polymer upon heating without emitting any emanating by-product. A novel class of polyfunctional oxazolidinone compounds and an improved method for producing the same are also disclosed.
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