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| Number | Title | Issue Date |
| 5773480 | Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom Polymeric compositions are derived from copolymers of ,ଲ,ଲ-trifluorostyrene with a variety of substituted ,ଲ,ଲ-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange memb... | 06/30/1998 |
| 5703189 | Unsaturated nitrile-conjugated diene copolymer, process for producing same and vulcanizable rubber composition An saturated nitrile-conjugated diene copolymer obtained by copolymerizing acrylonitrile with butadiene in the presence of a free radical initiator and an alkylthiol compound as a molecular weight modifier. A part of the monomers is incorporated in a mono... | 12/30/1997 |
| 5627250 | Unsaturated nitrile-conjugated diene copolymer, process for producing same and rubber composition An unsaturated nitrile-conjugated diene copolymer having at least 0.03 mole, per 100 moles of the monomeric units constituting the molecule, of an alkylthio group having 12 to 16 carbon atoms, which include at least three tertiary carbon atoms, and having... | 05/06/1997 |
| 5602185 | Substituted trifluorostyrene compositions Sulfonyl fluoride substituted ,ଲ,ଲ-trifluorostyrene monomers are disclosed. The monomers are incorporated into polymeric compositions which are conveniently hydrolyzed to produce polymeric compositions which include ion-exchange moietie... | 02/11/1997 |
| 5498639 | Trifluorostyrene and substituted trifluorostyrene copolymeric ion-exchange membranes Polymeric compositions are derived from copolymers of ,ଲ, ଲ-trifluorostyrene with a variety of substituted ,ଲ,ଲ-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange mem... | 03/12/1996 |
| 5422411 | Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom Polymeric compositions are derived from copolymers of ,ଲ,ଲ-trifluorostyrene with a variety of substituted ,ଲ,ଲ-trifluorostyrenes. These compositions are suitable for use as membranes, particularly as ion-exchange memb... | 06/06/1995 |
| 5385996 | Control of molecular weight and end-group functionality of polymers A process for the production of polymers by free radical polymerization, characterized in that there is added to the polymerization system one or more compounds of the general formula (A). ##STR1## where R1 is hydrogen or a group capable a... | 01/31/1995 |
| 5318852 | Fine particles of crosslinked vinyl polymer and process for producing the same Fine particles of a crosslinked vinyl polymer having a very high compressive modulus of elasticity, i.e., above 550 kg/mm2 but not higher than 800 kg/mm2, and being able to be effectively employed as a material capable of maintaining... | 06/07/1994 |
| 5274060 | Copolymers crosslinkable by acid catalysis Copolymers having a molecular weight (Mw) of from 103 to 106, measured by gel-permeation chromatography, that are crosslinkable by acid catalysis and that consist of a) 100-80 mol. % of structural repeating units of formulae I and II ... | 12/28/1993 |
| 5164111 | Polymerizable liquid-crystal material and polymers exhibiting liquid-crystal phases The invention relates to polymerizable liquid-crystal materials and to polymer materials which exhibit liquid-crystal phases and which contain, attached directly or via a spacer, mesogenic groups in which at least one transversely polarizing structural el... | 11/17/1992 |
| 4778625 | Electroconductive polymer and process for preparation thereof An insoluble infusible electroconductive polymer is provided, which is derived from an organic compound having 3 to 6 carbon atoms and having a cyano group and an ethylenically or acetylenically unsaturated bond by mutually reacting this compound at an el... | 10/18/1988 |
| 4673720 | Electroconductive polymer and process for preparation thereof An insoluble infusible electroconductive polymer is provided, which is derived from an organic compound having 3 to 6 carbon atoms and having a cyano group and an ethylenically or acetylenically unsaturated bond by mutually reacting this compound at an el... | 06/16/1987 |
| 4483962 | Aqueous adhesive systems Terpolymer latexes prepared by emulsion polymerization of 2,3-dichloro-1,3-butadiene and a mixture of at least two different unsaturated monomers, said unsaturated monomers being at least individually copolymerizable with 2,3-dichloro-1,3-butadiene, provi... | 11/20/1984 |
| 4230839 | Quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylonitrile This invention relates to adducts of salts of polymerizable tertiary amines with acrylic compounds illustrated by acrylamide and acrylonitrile; to polymers and copolymers containing said adducts and to processes for preparing them. This invention also rel... | 10/28/1980 |
| 4224150 | Process for clarifying aqueous systems employing quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylamide This invention relates to adducts of salts of polymerizable tertiary amines with acrylic compounds illustrated by acrylamide and acrylonitrile; to polymers and copolymers containing said adducts and to processes for preparing them. This invention also rel... | 09/23/1980 |
| 4088811 | 1,4-Cyclohexadiene compounds used as chain transfer agents in nitrile polymerization Nitrile polymers are prepared in a polymerization reaction wherein 1,4-cyclohexadiene or a selected derivative thereof is used as a chain transfer agent.... | 05/09/1978 |
| 4081592 | Process of polymerizing acrylonitrile copolymers employing terpinolene or gamma terpinene as a chain modifier Acrylonitrile copolymers having controlled molecular weight are prepared using terpinolene or gamma terpinene as chain length modifier.... | 03/28/1978 |
| 4027090 | Mercaptan-hydrocarbon chain modifiers in acrylonitrile copolymers Acrylonitrile copolymers having controlled molecular weight are prepared using a synergistic mixture of mercaptan and certain hydrocarbons as chain transfer agent.... | 05/31/1977 |
| 4022957 | Thermoplastic nitrile resins Thermoplastic polymers having high heat-distortion temperatures and low permeability to gases and vapors are prepared by copolymerizing in a specified manner an olefinic nitrile, such as acrylonitrile, with a small amount of a conjugated diene, such as bu... | 05/10/1977 |
| 3963688 | Method of emulsion polymerization using phosphate esters of normal alkanols as surfactant The mono- or diester of phosphoric acid and a straight chain alkanol of 8 to 10 carbon atoms is used as a surfactant in the emulsion polymerization of olefinic compounds, especially vinyl compounds, to obtain polymers having improved stability to light an... | 06/15/1976 |
| 3940368 | Acrylonitrile copolymers suitable for making flame-resisting fibers A copolymer suitable for making self-extinguishing fibers, containing at least 50 wt.% acrylonitrile, from 2 to 30 wt.% vinyl or vinylidene chloride, from 0 to 10 wt.% of a neutral, ethylenically unsaturated, non-halogenated monomer and from 2 to 40 wt.% ... | 02/24/1976 |
