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Patents for C08F 228 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur (1,313) |
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02/11/1981 | EP0023712A1 Water-soluble copolymer, process for its production and its use | 12/16/1980 | US4239847 Photographic elements containing polymers which coordinate with metal ions | 10/21/1980 | US4229515 Polymers for use in dye image-receiving layers of image transfer film units | 04/02/1980 | EP0009411A2 Photographic recording material containing polymers which coordinate with metal ions | 02/26/1980 | CA1072315A1 Aqueous clay base mud for deep drilling | 11/20/1979 | CA1066665A1 Reinforced cation permeable separator | 08/08/1979 | EP0003235A1 Water-soluble copolymers based on ethylenically unsaturated monomers; process for preparing these copolymers and their use | 07/17/1979 | US4161407 Crosslinkable polymers having vinylsulfonyl groups or styrylsulfonyl groups and their use as hardeners for gelatin | 09/13/1977 | US4048077 Aqueous clay base mud for deep drilling | 05/03/1977 | US4021327 Reinforced cation permeable separator | 01/18/1977 | US4004074 Highly substantive sunscreening agents | 10/26/1976 | US3988381 Vinyl phosphonic acid catalyst polymers; alpha-olefins | 03/09/1976 | US3943074 Vinyl phosphonic acid-divinyl sulfone copolymer ion exchange resin |
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