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| Number | Title | Issue Date |
| RE39936 | Crosslinked, water-soluble or water-dispersible polyurethanes The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of ... | 12/04/2007 |
| 7157545 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 01/02/2007 |
| 6989431 | Golf balls comprising chiral diols or chiral cyclic ethers A golf ball comprising a core and a cover, wherein the core or the cover comprises a thermoplastic or thermoset composition comprising a polyurea prepolymer formed from a reactant A comprising an isocyanate; and a reactant B comprising a polyether polyamine having a... | 01/24/2006 |
| 6984708 | Spandex of a particular composition and process for making same The invention provides spandex having improved hysteresis and a method for making such spandex. The spandex of the invention comprises the polyurethaneurea reaction product of: (a) poly(tetramethylene ether) glycol | 01/10/2006 |
| 6962744 | Bifunctional phenylene ether oligomer, its derivatives, its use and process for the production thereof A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of a bivalent phenol of the formula (2) and a monovalent phenol of the formula (3), (wherein —... | 11/08/2005 |
| 6946539 | Polyurethane and polyurethane-urea comprised of poly(trimethylene-ethylene ether) glycol soft segment Polyurethane or polyurethane-urea is comprised of poly(trimethylene-ethylene ether) glycol as a soft segment. The polyurethane or polyurethane-urea preferably comprises about 10 to about 90% soft segment and is prepared from: (a) p... | 09/20/2005 |
| 6777524 | Polyether polyurethane Disclosed is a polyether polyurethane comprising (A) at least one polyisocyanate having two or more isocyanate groups, which is selected from the group consisting of an aromatic polyisocyanate and an aliphatic polyisocyanate; (B) a polyoxytetramethylene glycol (PTMG... | 08/17/2004 |
| 6723821 | Polyurea polymers prepared from polyamine epoxide adduct The invention features a polyamine epoxide adduct, prepared by admixing a source of epoxy group with a polyamine, and allowing the epoxy groups to react with the terminal amino groups of the polyamine so as to form the polyamine epoxy adduct. The polyamine epoxide a... | 04/20/2004 |
| 6613864 | High temperature resistant polyurethane polymers A polyurethane composition useful for the manufacture of an elastomeric part is provided. The polyurethane composition comprises a polyisocyanate prepolymer and an active hydrogen containing compound, wherein from about 10 to about 60 percent by weight of... | 09/02/2003 |
| 6552155 | Polyaldimines of oligomeric aminobenzoic acid derivatives, and their use for preparation of moisture-curable, storage-stable, one-part polyreas The invention relates to polyaldimines of formula [1] and their use within moisture curable one part polyurea compositions. ##STR1## wherein j is an integer of 3 to 30 and R2 is unsubstituted homocyclic or heterocyclic aryl radical or alkyl, al... | 04/22/2003 |
| 6531076 | Photochromic organic resin composition Described are photochromic organic resin compositions and the impact resistant polymerizates and coating compositions made therefrom. The organic resin composition comprises the reaction product of at least one polyol having greater than 1.0 hydroxyl grou... | 03/11/2003 |
| 6489397 | Crosslinked, water-soluble or water-dispersible polyurethanes The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight... | 12/03/2002 |
| 6479611 | Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers Two types of aminotriazine-based crosslinking agents are provided. Crosslinking agent I includes the ungelled reaction product of (A) a reactive urethane group-containing reaction product and (B) an aminotriazine compound having one or less non-alkylated ... | 11/12/2002 |
| 6353135 | Method for making a tetraketimine Aliphatic tetraketimine of the present invention are a novel class of compounds represented by the formula: ##STR1## wherein Et is ethyl, Me is methyl, and R is a residue of an aliphatic diisocyanate. The tetraketimine is made by condensing a novel ketimi... | 03/05/2002 |
| 6262176 | Crosslinked water-soluble or water-dispersible polyurethanes The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight... | 07/17/2001 |
| 6221998 | One-pack type moisture-curable composition An isocyanate-based one-part moisture curable composition having excellent storage stability and high curing rate, and use of this composition enables production of a cured product of high flexibility without using any plasticizer. The composition compris... | 04/24/2001 |
| 6174956 | Synthesis of condensation polymers in densified fluids A polyurethane polymer and method of preparing it is described. The process requires the combination of a soluble polyol with a di- or polyisocyanate under densified fluid conditions. The process to prepare a waterborne polyurethane involves the utilizati... | 01/16/2001 |
| 6136942 | Latent amino groups and isocyanate groups comprising polyurethane prepolymers, method for their production and their use A one-component polyurethane composition is described that comprises a latent curing agent bonded to the prepolymer, from which curing agent aldehyde is liberated upon curing. Said aldehyde comprises two phenyl groups. By the specific design of the polyur... | 10/24/2000 |
| 6133398 | One-part curable polyurethane adhesive The present invention is a one-part adhesive composition comprising: A) an isocyanate functional polyurethane prepolymer; B) a catalyst capable of catalyzing the reaction of isocyanate moieties with an isocyanate reactive compound; C) particles comprising a curing ... | 10/17/2000 |
| 6077456 | Polymethylene polyphenyl polyisocyanate based prepolymers This invention is a liquid polyisocyanate prepolymer comprising the reaction product of an organic polyisocyanate blend and a polyoxyalkylene polyol, where polyisocyanate blend is A) a diphenylmethane diisocyanate comprising from 50 weight percent to 95 w... | 06/20/2000 |
| 6008410 | Ketimine Aliphatic tetraketimine of the present invention are a novel class of compounds represented by the formula: ##STR1## wherein Et is ethyl, Me is methyl, and R is a residue of an aliphatic diisocyanate. The tetraketimine is made by condensing a novel k... | 12/28/1999 |
| 5977246 | Coating composition A coating composition comprising a solution in a volatile organic solvent of: a polyisocyanate, a reactive diluent having amine groups or blocked amine groups, and a hydroxyl functional compound which is a polyester having secondary hydroxyl groups.... | 11/02/1999 |
| 5959023 | Moisture-crosslinking PU hot-melt adhesives Moisture-crosslinking PU hot-melt adhesives produced by reacting an --NCO containing prepolymer and a sterically hindered polyamine which have a very high initial strength.... | 09/28/1999 |
| 5859164 | Uretdione-functional polyaddition compounds, a process for their preparation, and their use Uretdione-functional polyaddition compounds of the formula: ##STR1## where: ##STR2## R1 is R or linear, branched or cyclic alkylene radicals of 2-16 carbon atoms, R2 and R3 are identical or different hydrocarbon ... | 01/12/1999 |
| 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 |
| 5726285 | Condensation and addition polymers having N,N'-bridged bistetramethylpiperidyloxy groups Condensation and addition polymers which comprise as structural repeating unit N,N'-bridged bistetramethylpiperidyloxy groups of the formula I ##STR1## in which m is 2 or 3 are suitable as light stabilizers and other stabilizers for organic material... | 03/10/1998 |
| 5596039 | Diguanamines and preparation process, derivatives and use thereof Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.1]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclohexanes, and derivatives thereof, applications of these com... | 01/21/1997 |
| 5591819 | Aldimine oxazolidines and polyisocyanates The present invention provides compositions and method of using an aldimine oxazolidine compound having the formula: ##STR1## wherein: R1, R2, R3, R4, R5, R6, R7 and R8... | 01/07/1997 |
| 5516873 | Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings The present invention relates to a coating composition which is free from polyols and contains a) a polyisocyanate component, b) an aldimine based on the reaction product of a polyamine having 2 or more primary amino groups with an aldehyde and c) a compound c... | 05/14/1996 |
| 5506329 | Aldimine oxazolidines and their use with polyisocyanate preparations Methods of using a mixture as a corrosion inhibitor, moisture scavenger, formaldehyde scavenger, rheological modifier, thermoplastic foam inhibitor, antifreezing agent, decolorizing agent, drying agent and corrosion inhibitor are provided by the present i... | 04/09/1996 |
| 5494769 | Polyurea-covered particle having narrow particle size distribution and its production The present invention provides a polyurea-covered particle having a narrow particle size distribution, which comprises a vinyl polymer particle as a seed particle and a polyurea cover layer formed on the vinyl polymer particle. The present invention also ... | 02/27/1996 |
| 5468831 | One-package structural adhesive A one-package primerless structural adhesive is disclosed that is particularly well suited for adhering one or more substrates of fiber-reinforced plastics. This adhesive uses dicyandiamide, its substituted derivatives, or melamine as the principal curati... | 11/21/1995 |
| 5466769 | Reactive diluent aldimine oxazolidines An aldimine oxazolidine compound having the formula: ##STR1## wherein: R1, R2, R3, R4, R5, R6, R7 and R8 are, individually, a hydrogen atom, a methyl or methylol group... | 11/14/1995 |
| 5466771 | Coating compositions based on aldimines and polyisocyanates containing allophanate groups The present invention is directed to coating compositions which have long pot lives, may be rapidly cured under ambient conditions to provide coatings with improved optical properties and contain as binder a) a polyisocyanate component containing i) 5 to 100 %... | 11/14/1995 |
| 5459204 | Isophorone urethane polyamine, a process for its preparation and its use The invention relates to a new polyamine of the following composition: ##STR1## wherein 1ࣙnࣙ6, R represents the hydrocarbon radical of a (cyclo)aliphatic, araliphatic or aromatic diisocyanate having 6-20 C atoms or a trimer thereof and wherein wh... | 10/17/1995 |
| 5444105 | Specimen mounting adhesive composition A composition is disclosed for transferring and adhering tape-mounted hisogical sections, to specimen mounting surfaces, usually glass microscope slides to expedite and simplify the safe removal of the mounting tape and the subsequent processing of the s... | 08/22/1995 |
| 5436399 | Thermoplastic polyurethane derived from polytetramethylene carbonate diol Disclosed is a thermoplastic polyurethane which is a prepolymer/chain extender reaction product having a number average molecular weight of from 30,000 to 200,000, and a gel content of 5% by weight or less, based on the weight of the thermoplastic polyure... | 07/25/1995 |
| 5422413 | Thermosetting coating composition and its use for primer coatings on metal substrates The present invention relates to a thermosetting coating composition based on a binder composition containing A) prepolymers containing isocyanate groups blocked with &3xb5;-caprolactam, having an average molecular weight of 1000 to 10,000 and prepared fr... | 06/06/1995 |
| 5342915 | Aqueous polyurethane dispersions Aqueous dispersions contain a polyurethane which consists essentially of a) organic polyisocyanates and, if required, minor amounts of monoisocyanates, b) dihydroxy compounds having a molecular weight of from more than 500 to 10,000 g/mol and at least 2 carbox... | 08/30/1994 |
| 5340902 | Spandex fibers made using low unsaturation polyols This invention relates to the production of spandex fibers made from segmented polyurethane(urea)s which are prepared from low unsaturation-containing polyols made by polymerizing alkylene oxides in the presence of a double metal cyanide complex catalyst.... | 08/23/1994 |