Contains Polyhydroxy Reactant; Or Additional Polymer Derived From -n=c=x And Polyhydroxy Reactant Patents (Class 525/458)
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Patent number: 6423777Abstract: The invention relates to new high-functional polyaddition compounds which contain free isocyanate groups with an average isocyanate functionality of 2.1 to 8.0, a concentration of uretdione of 10 to 18 wt. %, a concentration of urethane of 10 to 20 wt. % and a concentration of ester groups —CO—O and/or carbonate groups —O—CO—O of 1 to 17 wt. %, a process for the preparation thereof and their use as starting components for the preparation of polyurethane plastics, in particular as cross-linking agents for heat-curable powder coatings.Type: GrantFiled: September 5, 2000Date of Patent: July 23, 2002Assignee: Bayer AktiengesellschaftInventors: Hans-Josef Laas, Ulrich Freudenberg, Reinhard Halpaap, Michael Grahl
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Patent number: 6365700Abstract: It has been found, in accordance with the present invention, that a high molecular weight polyester, when reacted with a poly or diisocyanate in an NCO:OH ratio of 0.7:1 to 1:0.7, produces a high molecular weight hydroxy terminated prepolymer which is stirrable above 120° C. and sufficiently stable prior to reaction with additional di or polyisocyanate or optional additional polyols to produce a reactive hot melt adhesive.Type: GrantFiled: June 7, 1999Date of Patent: April 2, 2002Assignee: National Starch and Chemical Investment Holding CorporationInventor: Malcolm Graham
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Patent number: 6362303Abstract: Thermally reversible light scattering materials are provided in accordance with the invention including a low melting, polymeric material dispersed in a polymer matrix; a first polymer which upon heating from a temperature below its melting point to a temperature above its melting point changes from a light scattering solid to a liquid, the first polymer being dispersed in a matrix provided by a second polymer to form a light scattering polymer material when cold and a less or non-light scattering material when hot; and thermally reversible light scattering materials which go from light scattering at lower temperatures to less or non-light scattering at higher temperatures.Type: GrantFiled: May 19, 2000Date of Patent: March 26, 2002Assignee: Pleotint, L.L.C.Inventors: Harlan J. Byker, Frederick A. Millett, Paul H. Ogburn
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Patent number: 6359059Abstract: Low VOC automotive paint compositions containing reactive urea/urethanes are disclosed. Clearcoat and single stage topcoat formulations are found to be especially useful according to this invention.Type: GrantFiled: March 7, 1997Date of Patent: March 19, 2002Assignee: BASF CorporationInventors: Stewart Shepler, Patrick J. Mormile, Sudhakar Dantiki, David W. Braun
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Patent number: 6352768Abstract: Ink-imprintable compositions comprise a reaction product of a mixed emulsion containing a carboxylic acid terminated polydimethylsiloxane, or an isocyanate terminated polydimethylsiloxane, a hydrophilic isocyanate reactive agent, a polyisocyanate, and at least one dihydroxy terminated oligomer. Ink-imprintable stamp constructions also comprise a plurality of contiguous stamps in a roll or stacked sheet configuration without an independent release liner wherein the stamps have a pressure-sensitive adhesive on the back surface of the stamps and the above ink-imprintable release coating on the face surface of the stamps.Type: GrantFiled: December 27, 1999Date of Patent: March 5, 2002Assignee: Avery Dennison CorporationInventors: Dong-Tsai Hseih, Wen-Chen Su, Robert S. Dordick, Christopher D. Meader
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Patent number: 6348548Abstract: The invention relates to methods for producing storage-stable, latent-reactive layers and powders of surface-deactivated, solid polyisocyanates and dispersions or aqueous solutions of isocyanate reactive polymers, which can be used as adhesives and coverings. Said dispersions, suspensions or aqueous solutions can applied to a substrate in an appropriate form. Water can then be eliminated at a temperature inferior to the reaction temperature of the isocyanates and this operation can take place at a temperature above the softening temperature of the polymers. This process produces, at ambient temperature, dry and substantially water free layers which are storage stable and can react with the polymers at the polyisocyanate reaction temperature.Type: GrantFiled: June 9, 2000Date of Patent: February 19, 2002Assignee: Bayer AGInventor: Thomas Abend
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Patent number: 6342047Abstract: An indwelling catheter is made of a blend of a plurality of polyurethane resins containing polyglycols having different molecular weights, or a polyurethane resin containing a plurality of polyglycols having different molecular weights. It shows a dynamic storage modulus of 1 GPa or more under a dry condition at 25° C. and decrease in dynamic storage modulus when changed from a dry condition at 25° C. to a wet condition at 37° C., a decrease percentage of the dynamic storage modulus being less than 60% at the elapsed time of 20 seconds and 60% or more at the elapsed time of 1 minute after placed under the wet condition at 37° C. Its Young's modulus is 50 kgf/mm2 or more under a dry condition at 25° C., which reduces to 25 kgf/mm2 or less within 5 minutes when placed under a wet condition at 37° C.Type: GrantFiled: June 2, 1999Date of Patent: January 29, 2002Assignee: Terumo Kabushiki KaishaInventors: Ryuichi Urakawa, Kazuyoshi Tani, Toru Kawashima, Akira Mochizuki
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Patent number: 6291587Abstract: Compositions comprising (A) a rigid thermoplastic polyurethane not having a major glass transition temperature (Tg) of less than 60° C. and (B) a rubber-like material having a Tg of less than 20° C., wherein the weight ratio (A):(B) is at most 85:15.Type: GrantFiled: February 8, 1999Date of Patent: September 18, 2001Assignee: Imperial Chemical Industries PLCInventors: Gerhard Jozef Bleys, Dominicus Limerkens
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Patent number: 6288176Abstract: An agent for the single-stage full blocking of polyisocyanates comprises or consists of an alcohol mixture A) comprising a) furfuryl alcohol or substituted furfuryl alcohols in an amount corresponding to from 60 to 90, in particular from 65 to 85, mol % of hydroxyl groups and b) at least one monoalcohol in an amount corresponding to at least 2 mol % of hydroxyl groups, based in each case on the total amount of hydroxyl groups in components a) and b). In addition, the alcohol mixture A) may also include at least one aliphatic polyol c) of low molecular mass with a functionality of three and/or more in an amount corresponding to at least 5 mol % of hydroxyl groups, based on the total amount of hydroxyl groups in components a), b) and c). In this case component b) can have a molecular weight of <163 g/mol.Type: GrantFiled: April 9, 1999Date of Patent: September 11, 2001Assignee: BASF Coatings AGInventors: Bing Hsieh, Silke Przybilla, Ingeborg Grempels, Walter Jouck, Hardy Reuter, Dagmar Schemschat, Oliver Johannpoetter, Walburga Kathmann, Adam Stals
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Patent number: 6254937Abstract: Soft feel lacquers comprising water dilutable binders A which possess functional groups, selected from hydroxyl, amino and carboxyl groups, and of curing agents B which have functional groups capable of reacting with the functional groups of the components A, and forming chemical bonds as cross-linking sites, wherein at least one of the components A and B contains a sufficient quantity of aromatic constituent units to ensure that the mass fraction of the aromatic constituent units in relation to the solid matter in the combination of binder and curing agent is not less than 3%.Type: GrantFiled: August 2, 1999Date of Patent: July 3, 2001Assignee: Vianova Resins AGInventors: Markus A. Schafheutle, Birgit Anner, Anton Arzt, Julius Burkl, Gerlinde Petritsch, Joerg Wango
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Patent number: 6254959Abstract: A position-retaining device comprises a mixture containing a predetermined amount of elastic granules and a water-curable resin having a preselected elasticity after curing sufficient for bonding the elastic granules after curing of the water-curable resin. The mixture forms a mass before curing of the water-curable resin which permits the elastic granules to move one another to shape the mass into a configuration corresponding to the shape of the persons's body or body part when pressure is applied on the mass by the person's body or body part.Type: GrantFiled: August 2, 1999Date of Patent: July 3, 2001Assignee: Alcare Co., Ltd.Inventors: Hiroyuki Hirano, Naomitsu Takekawa
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Patent number: 6228969Abstract: The present invention concerns biodegradable linear polyester urethanes as well as biodegradable crosslinked polyester urethanes issuing from the linear polyester urethanes in such a way that they are crosslinked by diisocyanate bridges. By varying the degree of crosslinking it is possible to adjust the physical, chemical and biological properties in the crosslinked polyester urethane as defined by the invention in a targeted manner. In particular, it is possible to vary the rate of biodegradation of said crosslinked polyester urethane because the biological degradation takes place at a slower rate as the degree of crosslinking increases. Furthermore, the object of the invention is a method of producing the polyester urethanes as defined by the invention, as well as its application in the form of sheets or foils, shaped rubber articles, containers, packaging materials, in the field of galenic pharmacy; and in the form of adhesives and adhesive tapes and the like.Type: GrantFiled: December 6, 1999Date of Patent: May 8, 2001Assignee: Elbe Technologies Ltd.Inventors: Yoon Jick Lee, Hartmut Seliger, Erwin Happ
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Patent number: 6218479Abstract: This invention relates to thermoplastically processable, readily demouldable moulding compositions with low shrinkage and with a hardness of 65 to 85 Shore A, consisting of a mixture of A) a thermoplastic polyurethane of hardness 60 to 75 Shore A and B) a thermoplastic polyurethane of hardness 76 to 90 Shore A, which is produced continuously by a special multi-stage process.Type: GrantFiled: February 14, 2000Date of Patent: April 17, 2001Assignee: Bayer AktiengesellschaftInventors: Jürgen Winkler, Hans-Georg Hoppe, Wolfgang Bräuer, Hans-Georg Wussow
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Patent number: 6150476Abstract: The present invention relates to a mixture of ethylenically unsaturated polyurethanes containingI) 5 to 95% by weight, based on the weight of components I) and II), of ethylenically unsaturated polyurethanes which are substantially free from isocyanate groups and have a) a content of .beta.,.gamma.-ethylenically unsaturated ether groups (calculated as C.dbd.C, MW 24) incorporated through allophanate groups of 0.5 to 10% by weight, b) an allophanate group content (calculated as N.sub.2 C.sub.2 HO.sub.3, MW 101) of 1 to 20% by weight and c) a total content of ethylenically unsaturated groups of (calculated as C.dbd.Type: GrantFiled: December 23, 1998Date of Patent: November 21, 2000Assignee: Bayer CorporationInventors: Michael J. Dvorchak, Ligia Martin, Pamela C. Rozman
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Patent number: 6127507Abstract: A composition comprising in admixture with a polymer, preferably a polyurethane, and a compatible surface-modifying macromolecule having (i) a central portion of a segmented block oligomeric copolymer comprising at least one polar hard segment, and (ii) .varies.-.omega. terminal polyfluoro oligomeric groups, in a surface modifying enhancing amount. The composition is of use in providing articles having improved surface properties, particularly, medical devices having improved resistance to enzyme degradation with acceptable blood compatibility.Type: GrantFiled: November 24, 1998Date of Patent: October 3, 2000Inventor: Paul J. Santerre
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Patent number: 6001214Abstract: In one aspect, this invention is a polyurethane sealant composition comprising (1) a urethane prepolymer having an isocyanate functionality of at least about 2.0 and a weight average molecular weight of at least about 2,000; and (2) a catalytic amount of (a) a substantially active hydrogen free glycol acid salt of a tertiary amine and an organo metallic compound, (b) a mixture of a substantially active hydrogen free glycol acid salt of a tertiary amine and an organo metallic compound and a second organometallic compound, or (c) a mixture of an organometallic compound with dimorpholinodialkyl ether or an dialkylmorpholinodialkyl ether.Type: GrantFiled: August 6, 1998Date of Patent: December 14, 1999Assignee: Essex Specialty Products, Inc.Inventors: Harry W. Hsieh, Syed Z. Mahdi
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Patent number: 5973072Abstract: The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where the polymeric vehicle includes a phenolic urethane reactive diluent. The phenolic urethane reactive diluent may be made from a phenolic ester alcohol having at least one aliphatic hydroxyl group.Type: GrantFiled: March 21, 1996Date of Patent: October 26, 1999Assignee: Exxon Chemical Patents, Inc.Inventors: Frank N. Jones, Vijay Swarup, Ramachandran P. Subrayan, Suru Zhang
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Patent number: 5955534Abstract: Polymer polyols and polymer-modified polyols having substantially no transition metal content in the polyol continuous phase may be prepared from encapsulative double metal cyanide complex-catalyzed polyoxy-alkylene polyether base polyols without substantial removal of double metal cyanide complex catalyst residues from the base polyol and subsequent in situ polymerization of one or more polymerizable monomers.Type: GrantFiled: August 20, 1997Date of Patent: September 21, 1999Assignee: ARCO Chemical Technology, L.P.Inventors: Donald W. Simroth, Xinhua Zhou, Charles V. Rose
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Patent number: 5929188Abstract: A polyfunctional polycarbodiimide compound contains at least four molecular chains bonded independently to a backbone. Each of the molecular chains contains a carbodiimido (--N.dbd.C.dbd.N--) group. The polyfunctional carbodiimide compound can be produced by reacting (a) an isocyanate compound having at least one carbodiimido group and at least one isocyanate group with (b) a polyol, polyamine and/or aminoalcohol having at least four hydroxyl, primary amino and/or secondary amino groups in a molecule. Also disclosed are a resin composition containing the polyfunctional polycarbodiimide compound as a crosslinking agent; and a treatment method of an article, which makes use of the resin composition.Type: GrantFiled: April 24, 1997Date of Patent: July 27, 1999Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg. Co., Ltd.Inventors: Michiei Nakamura, Hiroyuki Shimanaka, Yoshitaka Wakebe, Tatsuo Kawamura, Eiichi Sugawara, Ken Okura, Masayuki Takahashi, Nobuo Takezawa
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Patent number: 5852137Abstract: In one aspect, this invention is a polyurethane sealant composition comprising (1) a urethane prepolymer having an isocyanate functionality of at least about 2.0 and a weight average molecular weight of at least about 2,000; and (2) a catalytic amount of (a) a substantially active hydrogen free glycol acid salt of a tertiary amine and an organo metallic compound, (b) a mixture of a substantially active hydrogen free glycol acid salt of a tertiary amine and an organo metallic compound and a second organometallic compound, or (c) a mixture of an organometallic compound with dimorpholinodialkyl ether or an dialkylmorpholinodialkyl ether.Type: GrantFiled: January 29, 1997Date of Patent: December 22, 1998Assignee: Essex Specialty ProductsInventors: Harry W. Hsieh, Syed Z. Mahdi
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Patent number: 5840812Abstract: The present invention relates to waterproof but breathable flat materials prepared from the melt from polymer resin mixtures consisting of at least two different melt processable polyurethanes, wherein the different thermoplastic polyurethanes have soft segments with different chemical constitutions, wherein the thermoplastic polyurethane which forms the matrix is a polyurethane with a ether based soft segment, wherein the ether segment has a carbon/oxygen atomic ratio of at least two and at most three and is present at a rate of 70-95 wt. % with reference to the total weight of thermoplastic polyurethanes used for melt processing to produce a flat material, and wherein the flat materials according to the invention have a higher permeability to water vapour, determined according to DIN 53 122, and a lower water absorption, determined according to DIN 53 495, method C, than flat materials made from one of the polyurethanes used for the polymer resin mixture.Type: GrantFiled: November 22, 1995Date of Patent: November 24, 1998Assignee: Wolff Walsrode AGInventor: Dirk Schultze
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Patent number: 5840806Abstract: Disclosed is a curable resin composition which can be applied for various uses such as top-coating compositions for cars, coating compositions for exterior walls of constructions, heat-resistant coating compositions, adhesives, ink compositions, compositions to be infiltrated into fibers and paper, and surface-treating compositions. The composition comprises (A) a resin obtained by condensation of a polymer having both a hydrolyzable silyl group and a particular functional group except such a hydrolyzable silyl group, and a particular polysiloxane, and (B) a compound capable of reacting with the functional group existing in the resin (A).Type: GrantFiled: January 7, 1997Date of Patent: November 24, 1998Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Shigeru Komazaki, Shinichi Kudo, Masataka Ooka
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Patent number: 5840823Abstract: Aqueous polyurethane dispersions having latent crosslinking properties containI) a disperse phase (P.I), containingIa) a polyurethane (PUR.Ia) which, in addition to groups which impart water dispersibility to the polyurethane, carries groups which have a C--C double bond and in which the double bond is activated by a carbonyl group bonded directly therewith, orIb) a mixture ofa polyurethane (PUR.Ib) which carries groups which impart water dispersibility to the polyurethane but not groups which have a C--C double bond and in which the double bond is activated by a carbonyl group bonded directly therewith anda compound (V.I) which differs from the polyurethanes PUR.Ia and PUR.Ib, and which carries groups which have a C--C double bond and in which the double bond is activated by a carbonyl group bonded directly therewith andII) a disperse phase (P.II) containing a compound which differs from the compounds (PUR.Ia), (PUR.Ib) and (V.Type: GrantFiled: February 25, 1997Date of Patent: November 24, 1998Assignee: BASF AktiengesellschaftInventors: Ulrike Licht, Nicolas Kokel, Karl Haberle, Renate Wustefeld
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Patent number: 5837794Abstract: TDI residue-based urethane-filled isocyanate compositions are produced by reacting a TDI residue satisfying specified criteria with a monofunctional alcohol in amounts such that the equivalent ratio of isocyanate groups to hydroxyl groups is from about 0.9:1 to about 1:0.9. This reaction product is then dissolved in a diisocyanate or polyisocyanate before, during or after reaction of that product with an epoxide having an epoxide equivalent weight of from about 44 to about 400 at a temperature of up to 120.degree. C. These TDI residue-based urethane-filled isocyanate compositions are particularly useful in the production of polyurethanes.Type: GrantFiled: October 27, 1997Date of Patent: November 17, 1998Assignee: Bayer CorporationInventors: William E. Slack, Scott A. Kane, James W. Rosthauser
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Patent number: 5804648Abstract: A TDI residue generated from the phosgenation of toluene diamine having an ortho-isomer content of less than 0.5% is used to produce a urethane-filled hydroxyl compound. The TDI residues useful in this invention must contain at least 10% monomeric TDI and have a total NCO content of at least 20%. These TDI residues are reacted with a monofunctional alcohol in an amount such that the equivalent ratio of isocyanate groups to hydroxyl groups is from about 0.9:1 to about 1:0.9. The resultant composition may then be dissolved in a polyhydroxyl compound to produce a urethane-filled polyhydroxyl compound. This urethane-filled polyhydroxyl compound may then be reacted with a polyisocyanate to produce a polyurethane.Type: GrantFiled: December 27, 1996Date of Patent: September 8, 1998Assignee: Bayer CorporationInventor: William E. Slack
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Patent number: 5804672Abstract: A mixture of an adduct of an epoxy resin and a novolak with an acrylate polymer, a modified bisphenol A or a polyol in conjunction with a polyisocyanate or a polyol of an OH-terminated polyurethane or polyester gives a heat-sealing adhesive combining high heat resistance and good hydrolysis stability with relatively high bond strengths. Accordingly, the composition is suitable above all as a base material and cover film for printed circuits.Type: GrantFiled: February 29, 1996Date of Patent: September 8, 1998Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Gerd Bolte, Gunter Henke, Ulrike Bruninghaus
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Patent number: 5798145Abstract: A flexible, aminoplast-curable film-forming composition and a process for preparing multi-layered coated articles coated with a pigmented or colored base coat and a transparent or clear topcoat are disclosed. A pigmented or colored base coat is first applied to a substrate followed by the application of a transparent topcoat to the base coat. The transparent topcoat composition is a flexible, curable film-forming composition comprising (i) a polyether polymer containing a plurality of terminal or pendant carbamate groups of the structure: ##STR1## (ii) a polymer selected from the group consisting of a polyester polymer, a polyurethane polymer, an acrylic polymer, and mixtures thereof wherein each polymer contains a plurality of terminal or pendant carbamate groups of the structure depicted above; and (iii) an aminoplast crosslinking agent. In a particularly preferred embodiment, the film-forming composition contains a polyester polymer derived from a cycloaliphatic acid or anhydride.Type: GrantFiled: January 16, 1996Date of Patent: August 25, 1998Assignee: PPG Industries, Inc.Inventors: Steven V. Barancyk, Christopher A. Verardi, William A. Humphrey
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Patent number: 5789497Abstract: Urethane-filled, polyether polyols are prepared by reacting (1) a hexamethylene diisocyanate residue from the phosgenation of hexamethylene diamine with contains less than 10% by weight monomeric hexamethylene diisocyanate and has a total isocyanate group content of at least 25% with (2) an alcohol containing at least four ether linkages in amounts such that the equivalent ratio of isocyanate groups in (1) to hydroxyl groups in (2) is from about 0.9:1.0 to about 1.0:0.9 and subsequently dissolving this reaction product in a polyether polyol.Type: GrantFiled: December 27, 1996Date of Patent: August 4, 1998Assignee: Bayer CorporationInventor: William E. Slack
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Patent number: 5780542Abstract: Water-emulsifiable polyisocyanates containinga) aliphatic, cycloaliphatic and aromatic polyisocyanates andb) reaction products of the abovementioned polyisocyanates with polyvinylpyrrolidones which have at least one group which is reactive with isocyanate.Type: GrantFiled: July 12, 1996Date of Patent: July 14, 1998Assignee: BASF AktiengesellschaftInventors: Brigitta Huckestein, Hans Renz, Stephan Kothrade, Karl Haberle
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Patent number: 5766769Abstract: A curable coating composition is described comprising(A) a carbamate- or urea-functional compound that is the reaction product of a mixture comprising(1) a compound comprising a carbamate or urea group or a group that can be converted to carbamate or urea, and a hydroxyl functional group(2) a compound comprising inorganic functional groups that are reactive with hydroxyl groups on a plurality of molecules of compound (A)(1), but that are not reactive with the carbamate or urea groups on compound (A)(1),(B) a compound comprising a plurality of groups that are reactive with carbamate or urea.Type: GrantFiled: August 15, 1996Date of Patent: June 16, 1998Assignee: BASF CorporationInventors: Walter H. Ohrbom, Brian D. Bammel, John D. McGee, Todd A. Seaver, Gregory G. Menovcik, Paul J. Harris, John W. Rehfuss
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Patent number: 5760133Abstract: A process for the continuous production of a thermoplastic molding composition containing a mixture of a TPU and a thermoplastic (co)polymer is disclosed.Type: GrantFiled: April 17, 1996Date of Patent: June 2, 1998Assignee: Bayer AktiengesellschaftInventors: Herbert Heidingsfeld, Willi Meister, Bernhard Schulte, Wolfgang Brauer, Friedemann Muller, Hans-Georg Hoppe, Hans-Georg Wussow, Jurgen Winkler
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Patent number: 5756636Abstract: A substantially solid free isocyanate prepolymer is made by reacting an isocyanate mixture which is made up of a toluene diisocyanate residue containing monomeric toluene diisocyanate and optionally, additional monomeric toluene diisocyanate in an amount such that the total NCO content is at least 37% with a polyether polyol having an ethylene oxide content of at least 30%. The polyether polyol has a molecular weight of from about 200 to about 6,000 and a functionality of from 2 to 6. The product prepolymers are particularly useful in the production of polyurethanes.Type: GrantFiled: December 27, 1996Date of Patent: May 26, 1998Assignee: Bayer CorporationInventors: William E. Slack, Jyothi S. Pisipati
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Patent number: 5753749Abstract: Urethane-filled compositions are produced by reacting a dicyclohexylmethane diisocyanate residue or a dicyclohexylmethane diisocyanate residue containing mixture with a monofunctional alcohol containing at least one ether group in an amount such that the equivalent ratio isocyanate groups to hydroxyl groups is from about 0.9:1 to about 1:0.9. The diisocyanate residue or residue-containing mixture must contain at least 20% by weight monomeric diisocyanate and have a total NCO content of at least 10%. The diisocyanate residue is produced by phosgenating dicyclohexylmethane diamine in which less than 20% polymeric diamine is present. The urethane filled compositions produced in this manner may then be dissolved in either a polyol or a polyisocyanate and subsequently used to produce polyurethanes in known manner.Type: GrantFiled: December 27, 1996Date of Patent: May 19, 1998Assignee: Bayer CorporationInventor: William E. Slack
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Patent number: 5753750Abstract: TDI residue-based urethane-filled isocyanate compositions are produced by reacting a TDI residue satisfying specified criteria with a monofunctional alcohol in amounts such that the equivalent ratio of isocyanate groups to hydroxyl groups is from about 0.9:1 to about 1:0.9. This reaction product is then dissolved in a diisocyanate or polyisocyanate. These TDI residue-based urethane-filled isocyanate compositions are particularly useful in the production of polyurethanes.Type: GrantFiled: December 27, 1996Date of Patent: May 19, 1998Assignee: Bayer CorporationInventors: William E. Slack, Jyothi S. Pisipati
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Patent number: 5716678Abstract: A process is disclosed for producing a double-layered covering lacquer by using a transparent covering lacquer containing a hydroxyl group-containing polyacrylate resin produced by polymerizing (a) 10 to 51% by weight 4-hydroxy-n-butylacrylate or 4-hydroxy-n-butylmethacrylate or a mixture of 4-hydroxy-n-butylacrylate and 4-hydroxy-n-butylmethacrylate; (b) 0 to 36% by weight of a hydroxyl group-containing ester of acrylic acid different from (a) or a hydroxyl group-containing ester of methacrylic acid or a mixture of such monomers; (c) 28 to 85% by weight of an aliphatic or cycloaliphatic ester of methacrylic acid different from (a) and (b) with at least 4 C atoms in the alcohol residue or a mixture of such monomers; (d) 0 to 3% by weight of an ethylenically unsaturated carboxylic acid or a mixture of ethylenically unsaturated carboxylic acids and (e) 0 to 20% by weight of an ethylenically unsaturated monomer different from (a), (b), (c) and (d) or a mixture of such monomers, into a polyacrylate resin with a hType: GrantFiled: November 17, 1995Date of Patent: February 10, 1998Assignee: BASF Lacke + Farben, AGInventors: Ulrike Rockrath, Georg Wigger, Fritz Bartol, Peter Betz, Wilfried Stubbe, Angelika Bartelt
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Patent number: 5710117Abstract: Detergent formulation for washing laundry characterized in that it comprises:from about 10 to 80% of its weight of at least one hydrated zeolite (z) of formulaxNa.sub.2 O.yAl.sub.2 O.sub.3.zSiO.sub.2.wH.sub.2 Oin which, if y=1, x is from about 0.7 to 1.1, z is from about 1.3 to 3.3 and w is from about 10 to 264from about 0.005 to 5%, of its weight of a least one polyalkylene terephthalate-polyoxyalkylenebisurethane (PET-UPOEU) copolymeric nonionic or anionic anti-soiling agent, said copolymer being obtained by reaction of a polyalkylene terephthalate (PET) and a polyoxyalkylnebisurethane (UPOEU), the molar ratio of the NCO functions to all of the OH functions or OH function equivalents being from about 0.5 to 1,from about 3 to 40%, of its weight of a least one saturated C.sub.5 -C.sub.24, aliphatic or hydroxyaliphatic alkyl sulphate anionic surfactant (FAS) optionally condensed with approximately 0.Type: GrantFiled: April 4, 1996Date of Patent: January 20, 1998Assignee: Rhone-Poulenc ChimieInventors: Claire David, Etienne Fleury
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Patent number: 5703159Abstract: Resins having a group reactive with an isocyanate group on a side chain are modified with isocyanatosiloxanes. In one form, the isocyanatosiloxane is a single end isocyanatosiloxane obtained by effecting addition reaction between a single end hydrogenosiloxane and an isocyanate group-containing organic silicon compound having one isocyanate group and at least one aliphatic unsaturated hydrocarbon group. A single end isocyanatosiloxane obtained by introducing an isocyanate group into a single end primary aminosiloxane is also useful. In another form, the isocyanatosiloxane is a polyfunctional isocyanatosiloxane which is obtained by effecting addition reaction between a hydrogenosiloxane having at least two SiH groups and an isocyanate group-containing organic silicon compound having one isocyanate group and one aliphatic unsaturated hydrocarbon group.Type: GrantFiled: December 11, 1995Date of Patent: December 30, 1997Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shoji Ichinohe, Toshio Yamazaki, Akira Yamamoto
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Patent number: 5698656Abstract: A moisture-curing urethane adhesive composition of a urethane prepolymer resulting from the reaction of a mixture of a polyether diol and a polyether triol with a diisocyanate compound, and a polyurethane compound resulting from the reaction of a mixture of a polyester polyol and a polypropyleneether polyol with a hexamethylene diisocyanate compound with addition of a monoalcohol. A modified moisture-curing urethane adhesive composition of a urethane prepolymer resulting from the reaction of a mixture of a polyether diol and a polyether triol with a diisocyanate compound, a first polyurethane compound resulting from the reaction of a copolymeric polyol consisting of propylene oxide and .epsilon.-caprolactone with a hexamethylene diisocyanate compound with addition of a monoalcohol, and a second polyurethane compound resulting from the reaction of a polyester polyol with a hexamethylene diisocyanate compound with addition of a monoalcohol.Type: GrantFiled: November 7, 1995Date of Patent: December 16, 1997Assignee: The Yokohama Rubber Co., Ltd.Inventors: Yoshinobu Ohashi, Hideyuki Matsuda, Eiji Nishi, Tsuyoshi Nishida
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Patent number: 5679418Abstract: A polyurethane composition suitable for producing leather-like sheets having a soft hand and excellent durability and being dyeable with acid dyes comprising a mixture of:a first polyurethane (a) obtained by reacting:an intermediate product diol (D) with both ends thereof substantially being OH and obtained by reacting a tertiary amino group-containing diol (A), a polymer diol (B) having a number average molecular weight of 500 to 3,000 selected from the group consisting of polyesters, polycarbonates, polylactones and polyethers and an organic diisocyanate (C1), in such stoichiometric amounts as to make the molar ratio of NCO/OH 0.5 to 0.Type: GrantFiled: November 7, 1995Date of Patent: October 21, 1997Assignee: Kuraray Co., Ltd.Inventor: Toshiyuki Akasawa
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Patent number: 5679756Abstract: A process for making thermoplastic thiourethane-urethane copolymers for use in making optical products preferably comprising reacting an aliphatic diisocyanate with a dithiol under polymerization conditions to form a thiourethane prepolymer which is then reacted with a diisocyanate such as methylene bis(phenyl isocyanate) and a polyol such as a diaromatic containing diol such as ethoxylated Bisphenol A or an aliphatic isocyanate reactive monomer such as tricyclodecane dimethanol or 1,4-dimethanol cyclohexane to form the copolymer product. The polymers have a combination of high refractive index and high Abbe No. The polymers also have high impact strength, high hardness and Tg's above 100.degree. C. It is preferred to make the polymer in an extruder.Type: GrantFiled: December 22, 1995Date of Patent: October 21, 1997Assignee: Optima Inc.Inventors: Zhenya Zhu, Brian G. Risch, Zhou Yang, Yin-Nian Lin
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Patent number: 5663274Abstract: The present invention relates to heat-curable, cyclic isocyanate addition productsi) which are the reaction products ofa) a polyisocyanate component having an average isocyanate functionality of two or more and a uretdione group content (calculated as N.sub.2 C.sub.2 O.sub.2, MW 84) of 1 to 30%, based on the weight of the polyisocyanate component, withb) a compound containing two or more isocyanate-reactive groups andii) in which at least 10% by weight of the reaction products are in the form of cyclic groups containing urea and/or urethane groups. The present invention also relates to a process for the preparation of these cyclic isocyanate addition products and to the products obtained by curing these compositions, optionally in the presence of other isocyanate-reactive compounds, at elevated temperatures, e.g., coatings, adhesives, molded articles, elastomers and foams.Type: GrantFiled: June 5, 1996Date of Patent: September 2, 1997Assignee: Bayer CorporationInventors: Sze-Ming Lee, Philip E. Yeske, Duane B. Priddy, Jr., Robert J. Kumpf, Douglas A. Wicks
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Patent number: 5621016Abstract: Polyisocyanate compositions are provided which comprise the reaction product of a diphenylmethane diisocyanate composition comprising 25 to 70% by weight of 2,4'-diphenylmethane diisocyanate and an isocyanate-reactive polyoxyethylene polyoxypropylene polyahl having an ethylene oxide content of at least 30% by weight, a number average hydroxyl equivalent weight of 700-2000 and an average nominal hydroxyl functionality of 2-6, the reaction product having a free NCO content of 2-31% by weight.Type: GrantFiled: March 16, 1994Date of Patent: April 15, 1997Assignee: Imperial Chemical Industries PLCInventors: Vabilisetti S. Murty, Gabriel Verhelst, Mireille B. De Witte
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Patent number: 5587502Abstract: The present invention provides a moisture-curable alkoxysilane functional polyurethane prepared from a hydroxy functional alkoxysilane. The hydroxy functional alkoxysilane is a hydroxyalkylenecarbamoylalkylene-alkoxysilanes referred to as a "hydroxycarbamoylsilane". The alkoxysilane functional polyurethanes may be used in a variety of applications to provide, for example, moisture-curable adhesives, sealants, putties and the like.Type: GrantFiled: June 2, 1995Date of Patent: December 24, 1996Assignee: Minnesota Mining & Manufacturing CompanyInventors: Dean M. Moren, Ian R. Owen
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Patent number: 5574102Abstract: An impact-resistant composition is disclosed, comprising(A) a modified polyisocyanate in which the active isocyanate groups have been blocked, obtained from a polycaprolactone-modified diol and an isocyanate compound, and(B) a hydroxyl group-containing resin containing two or more hydroxyl groups per molecule. The composition is useful as a coating composition for forming a chipping-resistant coated film.Type: GrantFiled: May 19, 1993Date of Patent: November 12, 1996Assignee: Nippon Paint Co., Ltd.Inventors: Hajime Tanigami, Hiroshi Mashima, Makoto Ozaki
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Patent number: 5574104Abstract: The present invention relates to electrostatic dissipative polymeric compositions comprising a polyether polyurethane which can be blended with one or more base polymers. In some applications, the polyurethane is useful without further blending. Further, the polyurethane blends can be blended with glass beads or glass fibers which have a synergist effect when combined with the electrostatic dissipative agent.Type: GrantFiled: September 26, 1995Date of Patent: November 12, 1996Assignee: The B. F. Goodrich CompanyInventors: Edmond G. Kolycheck, Elaine A. Mertzel, Francis R. Sullivan, Gary F. Wilson, Timothy E. Fahey
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Patent number: 5574114Abstract: A blend of isocyanate-terminated polyurethane prepolymers is provided. The blend consists essentially of a first crystalline prepolymer based upon polyhexamethylene adipate and a second prepolymer based upon polytetramethylene ether glycol.Type: GrantFiled: June 2, 1995Date of Patent: November 12, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Charles W. Stobbie, IV, John C. Tangen, Lani S. Kangas
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Patent number: 5571623Abstract: Fine polyurethane particles or fine polyurethane gel particles, which have been surface-covered with colloidal polyurea particles, are provided. They are produced by emulsion polymerization of a polyisocyanate compound and an active-hydrogen-containing compound in an inert liquid while using colloidal polyurea particles as an emulsifier.Type: GrantFiled: September 27, 1994Date of Patent: November 5, 1996Assignees: Dainichiseika Color & Chemical Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg, Co., Ltd.Inventors: Katsumi Kuriyama, Takao Endoh, Teruo Akita
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Patent number: 5565525Abstract: A resin composition curable through a Michael reaction between (a) a component having a plurality of .alpha., .beta.-unsaturated carbonyl groups and (b) a component having a plurality of activated methylene, activated methyne or hydroxyl groups is disclosed. The curing reaction is catalyzed with a quaternary ammonium, quaternary phosphonium or tertiary sulfonium salt in the presence of an epoxy compound independently added to the composition or covalently attacted to either component (a) or component (b).Type: GrantFiled: October 26, 1994Date of Patent: October 15, 1996Assignee: Nippon Paint Co., Ltd.Inventors: Hideo Morimoto, Kei Aoki, Takashi Irie, Hiroto Yoneda
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Patent number: 5559196Abstract: A blend of isocyanate-terminated polyurethane prepolymers is provided. The blend consists essentially of a first crystalline prepolymer based upon polyhexamethylene adipate and a second prepolymer based upon polytetramethylene ether glycol.Type: GrantFiled: June 2, 1995Date of Patent: September 24, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventors: Charles W. Stobbie, IV, John C. Tangen, Lani S. Kangas
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Patent number: 5536805Abstract: A blend of isocyanate-terminated polyurethane prepolymers comprising: (a) a first prepolymer which comprises the reaction product of an at least essentially semicrystalline hydroxy-functional material and a polyisocyanate; (b) a second prepolymer which comprises the reaction product of a poly(tetramethylene glycol) ether and a polyisocyanate; and (c) a third prepolymer which comprises the reaction product of an essentially amorphous hydroxy-functional material and a polyisocyanate. The blend may also include a fourth prepolymer which comprises the reaction product of a slightly branched hydroxy-functional material and a polyisocyanate.Type: GrantFiled: April 7, 1995Date of Patent: July 16, 1996Assignee: Minnesota Mining and Manufacturing CompanyInventor: Lani S. Kangas