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| Number | Title | Issue Date |
| 7402641 | Terpolymer compositions for coating substrates used in computer printers Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon. ... | 07/22/2008 |
| 7399811 | Nanohybrid polymers for ophthalmic applications The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particularly, the present invention relates to relatively soft, optically transparent, foldable, high refractive index ma... | 07/15/2008 |
| 7396890 | (Meth)acrylamide monomers containing hydroxy and silicone functionalities The present invention relates to (meth)acrylamide monomers of the formula: wherein R is H or CH3, R1 is selected from H, substituted and unsubstituted alkyl groups having 1 to 8 carbon atoms, substitut... | 07/08/2008 |
| 7378479 | Multi-purpose polymers, methods and compositions Disclosed are multi-purpose polymers that are the polymerization product of a monomer mixture comprising at least one amino-substituted vinyl monomer; at least one nonionic vinyl monomer; at least one associative vinyl monomer; at least one semihydrophobic vinyl sur... | 05/27/2008 |
| 7375173 | Ecofriendly cationic polyelectrolytes The invention relates to cationic water-soluble polyelectrolytes, especially terpolymers, which are obtained by polymerising monomers of (meth)acrylamide, a quaternised (meth)acrylamide derivative, a (meth)acrylic acid derivative and/or hydrolysis-stable cationic mo... | 05/20/2008 |
| 7375163 | Cement admixture for improved slump life Described are polymers and cement admixtures which reduce drop in fluidity with time. Said admixture comprises at least one polymer of the present invention and at least one polymer A. The polymer of the present invention comprises side chains of which at least 10 w... | 05/20/2008 |
| 7371783 | Alkali-soluble maleimide copolymer and liquid crystal display comprising the same Provided is an alkali-soluble maleimide-based copolymer which comprises, as essential constituents, 5 to 50% by mass of a maleimide monomer unit which is at least one unit selected from the group consisting of a N-cyclohexylmaleimide monomer unit, a N-benzylmaleimid... | 05/13/2008 |
| 7361719 | Monomer with anti-microbial character, polymer using the same, and manufacturing method thereof The present invention relates to a monomer with anti-microbial characteristics, a polymeric compound with anti-microbial characteristics using the same, and manufacturing methods thereof, and more particularly, to an antimicrobial monomer comprising a saturated hydr... | 04/22/2008 |
| 7351681 | Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same Well bore servicing fluids are provided that include a thermally activated viscosification compound. Further, methods of servicing a well bore are provided that include displacing such a servicing fluid into the well bore, wherein a viscosity of the servicing fluid ... | 04/01/2008 |
| 7335415 | Tearaway adhesive tape on nonwoven support The invention concerns a nonwoven support, in the form of a felt or needle punched product, having a thickness ranging between 0.3 and 1 mm and a surface mass of fibres ranging between 70 and 120 g/m2, and the fibres are embedded in the adhesive over part... | 02/26/2008 |
| 7335709 | Polymerizate composition and a method for producing the same The invention relates to water-soluble, preferably powder-form polymer compositions which are obtained by continuous polymerization of at least one unsaturated monomer. At least one parameter that influences the polymerization is varied according to a recurrent patt... | 02/26/2008 |
| 7304117 | Reactive yellow dyes useful for ocular devices Novel azo-based reactive yellow dyes and a process for manufacturing and using ocular devices having blue light absorption properties. Intraocular lenses so produced block blue light from reaching the retina of an eye implanted with the IOL. By blocking blue light f... | 12/04/2007 |
| 7300700 | Cationic microspheres and method of making cationic microspheres An adhesive composition that incorporates cationic microspheres and a fluidizing medium effective for supporting application of the adhesive composition to a substrate. ... | 11/27/2007 |
| 7288616 | Multi-purpose polymers, methods and compositions Disclosed are multi-purpose alkali-swellable and alkali soluble associative polymers, which are the polymerization product of a monomer mixture comprising: (a) at least one acidic vinyl monomer; (b) at least one nonionic vinyl monomer; (c) a first associative monome... | 10/30/2007 |
| 7285610 | Synthesis method for polymers by controlled radical polymerisation with xanthates A polymer composition and method of preparing same is described wherein an ethylenically unsaturated monomer is contacted with a source of free radicals and a compound of formula (1A), (1B) and (1C) as defined herein. The polymer composition may be a homopolymer or ... | 10/23/2007 |
| 7256246 | Low polydispersity poly-hema compositions The present invention relates to compositions comprising poly-HEMA having a peak molecular weight between about 25,000 and about 100,000 , preferably between 25,000 and 80,000 and a polydispersity of less than about 2 to less than about 3.8 respectively and covalen... | 08/14/2007 |
| 7247691 | Perfluoroalkyl substituted acrylate monomers and polymers thereof Fluoroalkyl amidoalkyl alcohols of the formula are disclosed and their corresponding (meth)acrylate esters. These fluoroalkyl amidoalkyl (meth)acrylate monomers can be copolymerized with a wide variety of convent... | 07/24/2007 |
| 7244774 | Aqueous dispersion for inkjet recording An aqueous dispersion for inkjet recording containing colorant-containing water-insoluble vinyl polymer particles dispersed in water, wherein the water-insoluble vinyl polymer contains a constitutive unit derived from a styrenic macromer (a) which has a polymerizabl... | 07/17/2007 |
| 7238760 | Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl compounds, and to their use as additives for aqueous construction materials sy... | 07/03/2007 |
| 7235600 | Waterborne copolymer dispersion The present invention concerns a waterborne copolymer dispersion comprising at least one alkenyl functional dendritic polymer being copolymerized to the polymer backbone of at least one homo or copolymer obtainable by polymerization, such as emulsion polymerization,... | 06/26/2007 |
| 7223826 | Amide-functional polymers, compositions, and methods Amide-functional polymers, and compositions including such polymers, are disclosed. The compositions, which optionally may be hardenable, are useful for treating a surface. ... | 05/29/2007 |
| 7186774 | Silicone-modified comb polymers based on acryloyldimethyltaurine acid (2-acrylamido-2-methyl-1-propanesulfonic acid) The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) optionally, one or more olefinically unsaturated, optionally cros... | 03/06/2007 |
| 7160971 | pH-sensitive methacrylic copolymers and the production thereof The present invention provides novel multi-functional methacrylic copolymers that exhibit cationic pH-sensitive behavior as well as good water solubility under acidic conditions. The copolymers are constructed from tertiary amine methacrylates and poly(ethylene glyc... | 01/09/2007 |
| 7157538 | Covalently-bound, hydrophilic coating compositions for surgical implants Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise a hydrophobic aryl acrylic monomer, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates, n-vinyl pyrrolidone and acrylam... | 01/02/2007 |
| 7109280 | Block copolymers and preparation thereof The present invention relates to block copolymers for applications in medicine and biotechnology and synthesis thereof. Block copolymers comprise polyvalent N-Acetyl Glucosamine (NAG) which bind more efficiently to lysozyme than NAG itself. The effective inhibition ... | 09/19/2006 |
| 7098283 | Reactive yellow dyes useful for ocular devices Novel azo-based reactive yellow dyes and a process for manufacturing and using ocular devices having blue light absorption properties. Intraocular lenses so produced block blue light from reaching the retina of an eye implanted with the IOL. By blocking blue light f... | 08/29/2006 |
| 7067602 | Materials for making hydrophobic intraocular lens The present invention provides copolymers made up of alkoxyalkyl methacrylate and/or alkoxyalkyl acrylate monomers in combination with one or more additional hydrophobic monomers. The copolymers may be used in the manufacture of intraocular lenses, including both th... | 06/27/2006 |
| 7056413 | Acrylate copolymers and pressure-sensitive adhesives obtainable therefrom for bonding low-energy surfaces An acrylate copolymer for use in pressure-sensitive adhesives, particularly suitable for the bonding of low-energy surfaces, is composed of the following monomer components: A) 60 to 95% by weight of one or more monomers selected from alkyl acrylates and alkyl metha... | 06/06/2006 |
| 7041762 | Polyvalent imprinted polymer and process of preparation thereof The present invention relates to a polyvalent imprinted polymer useful in medicine and biotechnology and to a process for the preparation thereof. More particularly it relates to the said polymer of formula (1) herein below | 05/09/2006 |
| 7041720 | Pressure sensitive adhesives comprising silicon compounds A pressure sensitive adhesive comprising an aqueous dispersion of a polymer, said dispersion comprising, besides the polymer, silicon compounds selected from polymeric silicates, water-soluble alkali metal silicates (waterglass), silanes, and silicones obtainable fr... | 05/09/2006 |
| 6969750 | Water absorbent material and absorbent article using same The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysacc... | 11/29/2005 |
| 6946190 | Thermal management materials A thermally-conductive compound for forming a layer which is conformable between a first heat transfer surface and an opposing second heat transfer surface to provide a thermal pathway therebetween. The compound is an admixture of a thermal grease component and a di... | 09/20/2005 |
| 6939912 | Compositions comprising copolymers of N-vinylcarboxamides and monomers with a hydrophobic radical, and use of these copolymers Compositions comprising at least one water-insoluble ingredient and at least one copolymer of A) from 5 to 99% by weight of at least one N-vinylcarboxamide of the formula I where R1 and R2 ... | 09/06/2005 |
| 6939934 | Terpolymer compositions for coating substrates used in computer printers Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon. ... | 09/06/2005 |
| 6908524 | Alkylphenol ethoxylate-free surfactant package for polymer emulsions This invention is directed to formation of a creped nonwoven web. The creped web is formed in a creping process using a polymer emulsion binder formed in an alkylphenol ethoxylate-free surfactant system. The surfactant system comprises a combination of a specific ac... | 06/21/2005 |
| 6872793 | Ophthalmic and otorhinolaryngological device materials Disclosed are soft, high refractive index device materials having improved strength. The materials contain microphase-separated aliphatic and aromatic domains. ... | 03/29/2005 |
| 6852815 | Conditioning/styling tetrapolymers What is described herein are conditioning/styling tetrapolymers of vinyl caprolactam (VCL), vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C8-C24 alkyl quaternized dimethylaminopropyl (meth)acrylamide or methacrylic acid... | 02/08/2005 |
| 6852793 | Low water content, high refractive index, flexible, polymeric compositions Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of o... | 02/08/2005 |
| 6846891 | Coating and binding agent for oral or dermal pharmaceutical forms The invention relates to a method for the production of a coating and excipient agent for oral or dermal dosage forms, consisting of (a) 35-98% by weight of a copolymer consisting of radically polymerized C1-C4 esters of acrylic or methacrylic acid and additional (m... | 01/25/2005 |
| 6846892 | Low polydispersity poly-HEMA compositions The present invention relates to compositions comprising poly-HEMA having a peak molecular weight between about 25,000 and about 100,000, preferably between 25,000 and 80,000 and a polydispersity of less than about 2 to less than about 3.8 respectively and covalentl... | 01/25/2005 |
