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| Number | Title | Issue Date |
| 7910672 | Powder of a vinylpyrrolidone polymer and a process for production thereof The present invention is a powder of a vinylpyrrolidone polymer having a K value of smaller than 50, characterized in that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or less and a content of particles having a particle dia... | 03/22/2011 |
| 7847044 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer by polymerization under increased pressure Method of producing copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator, where the polymerization is carried out under a gauge pressure suc... | 12/07/2010 |
| 7816470 | Aqueous-based polymers for sound deadening applications Copolymers prepared in aqueous medium from macromonomers and one or more ethylenically unsaturated monomers are disclosed. The copolymers are useful for sound and vibration dampening applications. ... | 10/19/2010 |
| 7786233 | Polyvinylpyrrolidone powder compositions A polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a content of insoluble substances remaining on a membrane filter having a pore size of 1.2 μm when a 2 wt % aqueous solutio... | 08/31/2010 |
| 7750100 | Catalytic process for preparing (meth)acrylates from N-hydroxyalkylated lactams Process for catalytically preparing (meth)acrylates of N-hydroxyalkylated lactams, and use thereof. ... | 07/06/2010 |
| 7629425 | Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Methods of producing vinyllactam copolymers which include: providing at least one water-soluble N-vinyllactam; providing at least one hydrophobic comonomer; and subjecting the at least one water-soluble N-vinyllactam and the at least one hydrophobic comonomer to fre... | 12/08/2009 |
| 7572871 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator under reflux conditions, where the initiator is introdu... | 08/11/2009 |
| 7572870 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator under reflux conditions, where following conversion of ... | 08/11/2009 |
| 7449531 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator under reflux conditions, where the condensate formed in... | 11/11/2008 |
| 7442751 | Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator under reflux conditions, where N-vinyllactam is added t... | 10/28/2008 |
| 7432322 | Coating composition for forming an inkjet-printable coating on a substrate A coating composition for forming an inkjet-printable coating on a substrate is provided herein. The composition includes a cationic polymer, and an anionic polymer salt, preferably maleic anhydride/methyl vinyl ether salt (Ca/Na), e.g. GANTREZ® MS-955 (ISP). The c... | 10/07/2008 |
| 7423074 | Polysiloxane prepolymers for biomedical devices A polysiloxane copolymer that is useful for forming biomedical devices comprises blocks (I) and (II) and is terminated at each end with an ethylenically unsaturated radical: (*Dii*Diol*Dii*PS)x (I) (*Dii*PS)y (II... | 09/09/2008 |
| 7422735 | Use of crosslinked cationic polymers in skin cosmetic and dermatological preparations The invention relates to the use of at least one copolymer obtainable by (i) free-radically initiated copolymerization of a monomer mixture comprising (a) 1 to 99.99% by weight of at least one monomer chosen from N-vinylimidazoles and diall... | 09/09/2008 |
| 7417101 | Thermo-responsive water-soluble polymers for viscosity switch A thermal responsive, water soluble copolymer is disclosed, which comprises the co-polymerization product of: (a) 0.5˜20 wt % of N-isopropyl acrylamide (NIPAAm); (b) 0.5˜20 wt % of 1-vinyl-2-pyrrolidinone (VPD); (c) 0.01˜10 wt % of acrylic acid (AA); and (d) 80˜... | 08/26/2008 |
| 7414088 | Polymers grafted to carbon nanotubes A method comprising forming and grafting polymers on carbon nanotubes, a functionalized product and product dispersion produced by the method, a method of forming composites from the functionalized carbon nanotubes, and the composites produced therefrom. ... | 08/19/2008 |
| 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 |
| 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 |
| 7368589 | Purification of silicone containing compounds by supercritical fluid extraction The present invention relates to a process for the purification of silicone containing compounds via supercritical fluid extraction. Specifically, the present invention relates to a process comprising the steps of contacting at least one silicone containing compound... | 05/06/2008 |
| 7332609 | PEG-substituted pyridine ligands and related water-soluble catalysts Amphiphilic Group VIII metathesis catalysts, as can be used in a range of polymerization reactions and other chemical methodologies. ... | 02/19/2008 |
| 7323529 | Method of making copolymers containing olefinic type monomers Copolymers containing residues of at least one olefinic monomer and a method of making such copolymers including the steps of: (a) providing a pressurized stirred tank; (b) feeding monomer compositions to one or more stirred tank reactors, ... | 01/29/2008 |
| 7323507 | Stable dispersion concentrate consisting of a copolymer of acryloyldimethyltauric acid and cyclic carboxamide and an oil, emulsifier, or oil/emulsifier phase for cosmetic, pharmaceutical and dermatological compositions, and methods for preparation thereof Dispersion concentrates are claimed which consist of: I) 10-80% by weight of a crosslinked copolymer obtained by polymerization of 1 to 50% by weight of a cyclic N-vinylcarboxamide and 49.99 to 98.99 by weight of acryloyldimethyltauric acid, II) 20-90%... | 01/29/2008 |
| 7314658 | Storage medium for data This disclosure relates to a data storage medium, and in particular to a data storage medium comprising at least one high modulus layer. In one embodiment, an asymmetric optical storage medium can comprise: a substrate layer comprising polyarylene ether, a high modu... | 01/01/2008 |
| 7304116 | Braided comb-shaped salt-resistant polymer thickening agent A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed. The agent is polymerized with monomer (A) and monomer (B), and monomer (A) is one or multiple water soluble non-saturated compound(s) wi... | 12/04/2007 |
| 7300690 | Radial tilt reduced media A storage media having a radial deviation of less than or equal to about 1.15 degrees at a radius of 55 mm is disclosed. In one embodiment, the storage media comprises: a plastic substrate, an optical layer and a data storage layer disposed therebetween. A reflectiv... | 11/27/2007 |
| 7279505 | Radiation-curable prepolymers The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or... | 10/09/2007 |
| 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 |
| 7252792 | Medical electrode An electrode providing electrical contact with a patient's skin includes a conductive member adapted for connection to an external electrical apparatus and a non-liquid water containing film for electrically interfacing to said patient's skin, the non-liquid film be... | 08/07/2007 |
| 7249848 | Wettable hydrogels comprising reactive, hydrophilic, polymeric internal wetting agents The present invention relates to wettable silicone hydrogels comprising the reaction product of at least one siloxane containing component and at least one reactive, hydrophilic polymeric internal wetting agent. The present invention further relates to silicone hydr... | 07/31/2007 |
| 7250448 | Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC... | 07/31/2007 |
| 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 |
| 7214753 | N-vinyl amide polymer and production method thereof The present invention provides an innovative N-vinylamide polymer with decreased contents of impurities and suppressed coloration, a higher K-value, and preferably usable in a variety of fields such as cosmetic and pharmaceutical products, and to provide a productio... | 05/08/2007 |
| 7208012 | 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... | 04/24/2007 |
| 7208556 | Water-soluble or water-swellable crosslinked copolymers Water-soluble or water-swellable crosslinked copolymers consisting essentially of structural units of the formula 1 or a mixture of the structural units of the formula 1 with structural units of the formula 2 | 04/24/2007 |
| 7201481 | Contact lens This invention is directed to ophthalmic materials and ophthalmic lenses that are a co-polymerization product of a (a) hydrophilic monomer with (b) a tris(siloxy)silyl group-containing monomer, (c) a wide variety of hydrophobic monomers (both aliphatic and aromatic)... | 04/10/2007 |
| 7202319 | Water-soluble copolymers based on olefinic sulfonic acids, method for the production thereof and use of the same Water-soluble copolymers based on olefinic sulfonic acids, olefinic dicarboxylic acids, vinyl amides and vinyl ethers and/or allyl ethers and/or bisacryl derivatives are described as well as processes for their production and the use of these copolymers as water ret... | 04/10/2007 |
| 7189776 | Aqueous composition The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are obtainable by polymerising one or more ethylenically unsaturated monomers... | 03/13/2007 |
| 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 |
| 7179528 | Adhesive composition and adhesive optical component using the composition An adhesive sheet including an adhesive composition disposed on at least one face of a film of acetyl cellulose, the adhesive sheet being produced by coating a solution of the adhesive composition on the face of the film and drying the solution to form a laminate, t... | 02/20/2007 |
| 7175678 | Fuel composition The present invention provides a polymeric a fuel composition comprising (i) a fuel; and (ii) a polymeric compound; wherein the polymeric compound comprises at least one monomer unit of Formula I wherein R1 ... | 02/13/2007 |
| 7176044 | B-stageable die attach adhesives The present invention relates to b-stageable die attach adhesives, methods of preparing such adhesives, methods of applying such adhesives to the die and other substrate surfaces, and assemblies prepared therewith for connecting microelectronic circuitry. ... | 02/13/2007 |
