| Patents for C08F 271 - Macromolecular compounds obtained by polymerising monomers on to polymers of nitrogen-containing monomers as defined in group (659) |
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| 07/04/1991 | DE4010960A1 Graft copolymers based on copolymers of tri:allyl-cyanurate(s) |
| 06/26/1991 | EP0434362A1 Graft copolymer, solution containing the graft copolymer, and method of treating contact lens with the solution |
| 06/19/1991 | EP0432941A2 Polyolefin-substituted amines grafted with poly (aromatic-N-monomers) for oleaginous compositions |
| 01/09/1991 | EP0406230A1 Method for preparing polymer bound stabilizers made from non-homopolymerizable stabilizers. |
| 11/20/1990 | US4972000 Multilayer, crosslinked particles for coating compositions |
| 09/21/1989 | WO1989008669A1 Method for preparing polymer bound stabilizers made from non-homopolymerizable stabilizers |
| 09/06/1989 | EP0331421A2 Hollow polymer particles, process for production thereof, and use thereof as pigment |
| 07/20/1989 | DE3800311A1 Process for the preparation of silicon-modified polymers |
| 05/23/1989 | US4833196 Contact lenses |
| 12/13/1988 | US4791175 Particulate hydroperoxidized poly-n-vinyl lactam, its preparation and use thereof |
| 08/30/1988 | US4767620 Crosslinked polymers with carbonate ester groups, and a process for their preparation |
| 05/10/1988 | US4743657 Method for preparing polymer bound stabilizers made from non-homopolymerizable stabilizers |
| 03/02/1988 | EP0257632A2 Cross-linked polymers with carbonate ester groups and process for their preparation |
| 02/17/1988 | EP0255988A2 Particulate hydroperoxidized poly -N-vinyl lactam, its preparation and use thereof |
| 07/07/1987 | US4678838 Hydrophilic contact lenses |
| 01/13/1987 | US4636534 Etch resistant ink |
| 05/07/1986 | EP0180466A2 Photopolymerizable composition for use as an etching-resist ink |
| 10/09/1985 | EP0157257A1 Process for the preparation of polypyrrole graft polymers |
| 04/30/1985 | US4514271 Stable dispersion of alkylated polyvinylpyrrolidone and vinyl pyrrolidone |
| 11/20/1984 | US4483959 Organic pigments |
| 09/04/1984 | US4469555 Opacifying agents for paper |
| 06/26/1984 | US4456724 Organic pigments |
| 02/28/1984 | US4434267 Paper fillers and coatings |
| 01/17/1984 | US4426483 Organic pigments |
| 11/08/1983 | US4414353 Organic pigments |
| 09/13/1983 | US4404310 Graft polymers of unsaturated compound onto water soluble cationic polymers |
| 09/06/1983 | US4403063 Organic pigments |
| 09/06/1983 | US4403062 Organic pigments |
| 01/18/1983 | US4369292 Lightweight fillers for paper; particles from fthe graft copolymerjization of an unsaturated monomer and a cationic polymer |
| 10/12/1982 | US4353818 Graft cationic copolymers; fillers for paper |
| 09/14/1982 | US4349641 Organic pigments |
| 09/07/1982 | US4348257 Organic pigments |
| 08/10/1982 | US4343729 Organic pigments |
| 01/19/1982 | US4311809 Water-insoluble cationic addition graft polymers; opaque paper fillers |
| 11/24/1981 | US4302522 Method of making polymeric photoconductive material involves partial polymerization step |
| 10/06/1981 | US4293667 Organic pigments |
| 10/06/1981 | US4293666 Organic pigments |
| 08/04/1981 | US4282060 A cationic graft addition polymer; paper fillers; opacity |
| 07/28/1981 | US4281082 Fillers for paper, graft polymers of cationic amine monomers |
| 11/25/1980 | US4235982 Polymeric fillers for paper |
| 11/18/1980 | CA1090045A1 Amphoteric ion exchange resins |
| 09/30/1980 | CA1086898A1 Hydrophilic gel polymer |
| 06/17/1980 | CA1079561A1 Photopolymerisable compositions containing a polymer with a component which reduces a keto sensitizer in its excited state |
| 04/29/1980 | CA1076477A1 Fabrication of soft contact lens and composition therefor |
| 01/08/1980 | US4182851 By after-polymerization at higher temperature than main polymerization |
| 06/19/1979 | CA1056976A1 Carboxylated graft copolymers and emulsion containing same |
| 03/13/1979 | CA1050326A1 Photoconductive material |
| 02/13/1979 | US4139499 Thermally reversible amphoteric ion exchange resins of improved demineralization capacity |
| 01/10/1979 | EP0000161A1 Process for reducing the amount of residual monomers during the polymerisation of vinyl lactams and vinyl esters |
| 10/18/1977 | US4054624 Preparing a hydrated contact lens |
| 08/30/1977 | US4045547 Shaped eye bandage of graft polymers of hydroxyethyl methacrylate, polyvinyl pyrrolidone, ethylene glycol dimethacrylate, and methyl acrylate |
| 08/16/1977 | US4042552 Contact lens |
| 05/24/1977 | USRE29231 Copolymer of hydroxyalkyl methacrylate and polyvinylpyrrolidone |
| 05/10/1977 | US4022204 Dimensionally stable shaped eye bandages |
| 04/19/1977 | US4018853 Contact lenses |
| 01/11/1977 | US4002589 Preparation of water soluble segmented polymers |
| 08/31/1976 | US3978164 Contact lenses |
| 08/31/1976 | US3978163 Graft copolymers of a poly (n-vinyl lactam) containing/unsaturated ethylenic/ and dibasic carboxylic acid monoester sidechains and stable emulsions of such graft copolymers |
| 06/29/1976 | US3966847 Contact lens from hydrophilic gel polymers of polyvinylpyrrolidone and hydroxyalkyl methacrylate |