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| Number | Title | Issue Date |
| 8129492 | Coating compositions comprising polyurea and a phosphorous-containing polyol The present invention is directed to a coating composition comprising polyurea formed from a reaction mixture comprising: (a) a first component comprising isocyanate, wherein said isocyanate comprises an isocyanate functional prepolymer formed from a reaction mixtur... | 03/06/2012 |
| 7351302 | Method for binding particulate, water-absorbing, acid group-containing polymers to a base material A process for binding particulate water-absorbing acid-functional polymers to a carrier material by means of compounds comprising amino groups, which comprises contacting the carrier material with particulate water-absorbing acid-functional polymers whose acid group... | 04/01/2008 |
| 7232876 | Phosphorus-containing urethane(meth)acrylate compounds and photosensitive compositions A phosphorus-containing urethane (meth)acrylate compound obtained by reacting (A) a polyol compound comprising (A1) a phosphorus-containing polyol having a phosphorus atom, with (B) a bifunctional or greater polyisocyanate and (C) a hydroxyl group-containing (meth)a... | 06/19/2007 |
| 7189444 | Cladding resin composition The invention relates to a cladding resin composition curable by heat, ultraviolet radiation, an electron beam or the like. The composition comprises a polyoxyalkylene polyol phosphate ester (hydroxyl value: 10–2,000 mg KOH/g) and a polymerizable or reactive funct... | 03/13/2007 |
| 7160974 | Thermoplastically processable polyurethanes (TPU) with self-extinguishing properties, a process for their preparation and their use The present invention relates to thermoplastically processable polyurethane elastomers (TPU) with tensile strengths of >35 MPa (measured in accordance with EN ISO 527-3), with shrinkages of | 01/09/2007 |
| 7101956 | Compounds containing quaternary carbons, medical devices, and methods Compounds that include diorgano groups having quaternary carbons and optionally urethane groups, urea groups, or combinations thereof (i.e., polyurethanes, polyureas, or polyurethane-ureas), as well as materials and methods for making such compounds. ... | 09/05/2006 |
| 7078474 | Thermally curable coating compositions Thermally curable coating composition with a resin solids content which contains (a) at least one binder with isocyanate-reactive groups and at least one polyisocyanate crosslinking agent blocked by means of at least one dihydrocarbyl phosphite and/or (b) at least o... | 07/18/2006 |
| 7078163 | Process for reducing mineralization of tissue used in transplantation A method of making a tissue-derived implantable medical device that includes contacting the tissue with a composition comprising at least one oxidizing agent prior to implantation of the medical device. ... | 07/18/2006 |
| 6930162 | Continuous preparation of thermoplastically processable polyurethanes The present invention relates to a multi-stage process for the continuous preparation of thermoplastically processable polyurethanes with improved processing properties based on various polyols. ... | 08/16/2005 |
| 6915168 | Medical devices containing segmented polyurethane biomaterials In one aspect, the present invention relates to a medical device, such as a medical electrical lead, comprising a biomaterial formed from a polymer comprising urethane groups and saturated linear polyethylene moieties wherein the saturated linear polethylene moietie... | 07/05/2005 |
| 6689861 | Derivatized polyurethane compositions which exhibit enhanced stability in biological systems and methods of making the same The invention relates to methods of making polyurethane derivatives which can be readily further derivatized using stabilizing agents such as anti-calcification agents, anti-thrombogenesis agents, and chemical and mechanical degradation-inhibiting agents.... | 02/10/2004 |
| 6667355 | Higher alkylated triaryl phosphate ester flame retardants Flame retardants for polymer compositions which are mixtures including triaryl phosphate esters represented by the following formula: ##STR1## where R1 -R15 can independently be located in the ortho, meta or para positions on their r... | 12/23/2003 |
| 6624248 | Polymeric diphosphine ligands for homogeneously soluble hydrogenation catalysts, process for the production thereof and use Molecular weight-enlarged, homogeneously soluble ligands are provided that are especially useful for hydrogenation catalysts, wherein the ligands contain homochiral active centers of bis(3,4-diarylphosphinyl)pyrrolidines, and their use in producing c... | 09/23/2003 |
| 6607686 | Thermosetting polyurethane material for a golf ball A prepolymer blend for a thermosetting polyurethane material that allows for control of the reaction time is disclosed herein. The prepolymer blend is preferably composed of a polyurethane prepolymer and dimethyl methylphosphonate. The thermosetting polyu... | 08/19/2003 |
| 6534619 | Method for evaporating polymer solutions of thermoplastic polymers This invention relates to a multistep process for evaporating polymer solutions of thermoplastic polymers and for removing volatile constituents from thermoplastic polymers by indirect heat exchange. The invention relates in particular to a process for ev... | 03/18/2003 |
| 6482914 | Isocyanates modified to give them a surfactant property, composition containing them and coating resulting therefrom The invention concerns a compound of formula (I) ##STR1## in which m is to 0 or 1 Iso is the (poly)isocyanate radical (after elimination of an isocyanate function); R10 is selected among: a negative charge; a hydrocarbon-based radical (i.e. a r... | 11/19/2002 |
| 6437076 | Polyurethane and polyurea biomaterials for use in medical devices A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.... | 08/20/2002 |
| 6437075 | Polyurethane and polyurea biomaterials for use in medical devices A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.... | 08/20/2002 |
| 6410004 | Polyureas and water-soluble or water-dispersible polymeric salts The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.... | 06/25/2002 |
| 6320011 | Derivatized polyurethane compositions which exhibit enhanced stability in biological systems and methods of making the same The invention relates to methods of making polyurethane derivatives which can be readily further derivatized using stabilizing agents such as anti-calcification agents, anti-thrombogenesis agents, and chemical and mechanical degradation-inhibiting agents.... | 11/20/2001 |
| 6313186 | Inorganic-organic composite foam and process for the production thereof A inorganic-organic composite foam having a structure comprising phosphoric acids and a blowing agent for phosphoric acids, wherein the brittleness is improved by urethane prepolymer having NCO groups. The foam is produced by foaming and curing by mixing ... | 11/06/2001 |
| 6245862 | Golf balls comprising sulfonated or phosphonated ionomers The present invention relates to a golf ball, comprising a cover, a core and optional intermediate layers, wherein the various ball components are formed from compositions comprising a sulfonated and/or phosphonated ionomer. The sulfonated and/or phosphon... | 06/12/2001 |
| 6221955 | Polyurethane resins A polyurethane resin consists of a reaction product of a phosphated polyol, a polyisocyanate and optionally a stabilizing monomer having a salt-forming group, for example, 2,2-dimethyolol propionic acid. The phosphated polyol may be a hydroxyl-terminated,... | 04/24/2001 |
| 6217941 | Isocyanates modified for being provided with surfactant property, composition containing same, resulting coating The invention concerns a compound of formula (I) ##STR1## in which m is to 0 or 1 Iso is the (poly)isocyanate radical (after elimination of an isocyanate function); R10 is selected among: a negative charge; a hydrocarbon-based radical (i.e. a r... | 04/17/2001 |
| 6207784 | Golf ball comprising anionic polyurethane or polyurea ionomers and method of making the same The invention provides a golf ball having a core, intermediate layer, cover and/or coating comprising in whole or in part of an anionic polyurethane or polyurea ionomer. The anionic polyurethane or polyurea ionomer preferably comprises a sulfonate or carb... | 03/27/2001 |
| 6177541 | Process for producing an isocyanurate derivative A process for producing an isocyanurate derivative of the formula (1): ##STR1## wherein one each of X1, X2, of Y1, Y2 and of Z1, Z2, a R COO group and the other is a OH group and each R is a ... | 01/23/2001 |
| 6159390 | Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams Method for the treatment of mineral fillers using organic phosphate treatment agents. Treated mineral fillers obtained by said method and suspension of these treated mineral fillers in polyols. Use of these suspensions in the manufacture of flexible, semi... | 12/12/2000 |
| 6150489 | Thermoplastic polyurethanes containing active substances This invention relates to thermoplastic polyurethanes (TPUs) which contain pharmaceutical active ingredients in a homogeneous distribution, to a method of producing them, and to their use in medical articles. During the production of the TPUs, compounds h... | 11/21/2000 |
| 6149678 | Polyurethane and polyurea biomaterials for use in medical devices A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.... | 11/21/2000 |
| 6111052 | Polyurethane and polyurea biomaterials for use in medical devices A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.... | 08/29/2000 |
| 6100359 | Ablative polyurea foam and prepolymer The present invention relates to an ablative fire resistant hydrophilic polyurea foam made from low molecular weight polyols capped with an isocyanate, with the polyol mixture including a fire retardant polyol that preferably includes carborane disilanol,... | 08/08/2000 |
| 6040415 | Biocompatible polymers Tpresent invention provide a biocompatible polyurethane or oplyurethane urea containing, in the side chain, phosphorylcholine structure represented by the formula (1) ##STR1## wherein R1 is C1-20 alkyl, C6-12 aryl, C | 03/21/2000 |
| 6030530 | Non-cytotoxic polyurethane medical items Medical article of manufacture comprising compositions, comprising: at least one polyisocyanate, preferably a non-aromatic polyisocyanate, in the monomer or prepolymer state; at least one polypol; and at least one organic compound comprising one or more p... | 02/29/2000 |
| 5986034 | Polyurethane and polyurea biomaterials for use in medical devices A medical device comprising a biomaterial formed from a polymer comprising urethane groups, urea groups, or combinations thereof, and sacrificial moieties that preferentially oxidize relative to other moieties in the polymer.... | 11/16/1999 |
| 5985965 | Flame-resistant polyurethanes The flame-resistant polyurethanes of the invention comprise, as flameproofing agents, mixtures of oligomeric phosphoric acid esters which carry hydroxyalkoxy groups, of the formula I ##STR1## in which q denotes an average chain length of 0.5 to 10, R... | 11/16/1999 |
| 5880243 | Fire retardant composite products of cellulose impregnated with isocyanate compositions New and useful products are based on sheeted cellulose impregnated with a polyfunctional isocyanate and a fire retardant material. The fire retardants are chosen from organophosphorous esters compatible with the isocyanate in the proportions used. Preferr... | 03/09/1999 |
| 5777062 | Diphosphines bonded to side chains of polymers, and metal complexes thereof The invention relates to polymers having structural repeating units of at least one monomer MM which contains a hydroxyl group or a primary or secondary amine group as a functional group bonded directly or in a side chain, wherein the functional group is ... | 07/07/1998 |
| 5756637 | Polymeric materials suitable as dispersing resins A polymeric material I is obtainable by reacting 1) a polymer II of a) from 80 to almost 100 mol % of a C1 -C25 -alkyl ester of an ,ଲ-unsaturated carboxylic acid, b) from 0 to 20 mol % of one or more further monomers and c) an ini... | 05/26/1998 |
| 5747630 | Polyurethane binder for a magnetic recording medium A polyurethane prepared from a functionalized polyol has superior hydrolytic stability and dispersive capacity which makes it useful as a binder for magnetic particles in a magnetic recording medium. The functionalized polyol may be one of the group consi... | 05/05/1998 |
| 5728746 | Process for the preparation of mixtures of oligomeric phosphoric acid esters and their use as flame-proofing agents for polyurethane foams The invention relates to a process for the preparation of mixtures of oligomeric phosphoric acid esters of the formula (I) ##STR1## in which n is a number from 0 to 8, R1, R2, R3 and R7 are identical or differen... | 03/17/1998 |
