Patents
Patents for C08F 12 - Homopolymers or 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 an aromatic carbocyclic ring (6,445)
12/1998
12/17/1998DE19725155A1 Transparente optische Formkörper und Schichten mit niedrigen Wasserstoffgehalten Transparent optical parts and layers with low hydrogen contents
12/16/1998EP0884333A2 Polymer having quaternary ammonium groups and process for the production thereof
12/16/1998CN1202188A Polymer foams
12/16/1998CN1202178A Process for producing copolymers from vinylaromatic and olefinic compounds by dispersion polymerisation in presence of metallocene catalyst systems
12/15/1998US5849808 Organic solvent soluble photoresists which are developable in aqueous alkaline solutions
12/10/1998WO1998055886A1 Molding material for plastic lenses
12/09/1998EP0882088A1 $g(a),$g(b),$g(b)-TRIFLUOROSTYRENE-BASED AND SUBSTITUTED $g(a),$g(b),$g(b)-TRIFLUOROSTYRENE-BASED COMPOSITE MEMBRANES
12/09/1998EP0767804B1 Polymerization process using diene containing catalysts
12/08/1998US5847063 Resins for use in chemically amplified resists and manufacturing methods thereof
12/08/1998US5847055 Polymer-containing catalyst systems
12/02/1998EP0740670B1 Process for preparation of reduced metal titanium complexes
12/02/1998CN1200379A Optical alignment polymer and optical alignment composition having same
12/01/1998US5843410 Polymeric ultraviolet screening agent and process for the preparation thereof
11/1998
11/26/1998WO1998052978A1 Solid state devolatilization of syndiotactic vinyl aromatic polymers with catalyst deactivation
11/26/1998CA2284803A1 Solid state devolatilization of syndiotactic vinyl aromatic polymers with catalyst deactivation
11/25/1998EP0815147B1 Syndiotactic vinylaromatic polymerization process using low hydrogen partial pressures
11/25/1998EP0813556B1 Liquid phase powder bed syndiotactic vinylaromatic polymerization
11/25/1998EP0797600B1 High molecular weight polystyrene production by vinylacid catalyzed free radical polymerization
11/24/1998US5840819 Conducting polymerization in presence of free radical scavenger and complexing agent
11/24/1998US5840817 Polymer for photo-conductive layer and preparation method thereof
11/19/1998WO1998051734A1 Method for producing expandable styrene polymers containing graphite particles
11/19/1998DE19821073A1 New sulphated vinyl (co)polymer heparin analogues
11/18/1998EP0878491A2 Heparin analogues homo- or copolymers, their preparation and their use
11/18/1998EP0877766A1 Preparation of branched polymers
11/15/1998CA2237480A1 Heparin-analogous homo- or copolymers, their preparation and their use
11/12/1998DE19811602A1 New process for prevention of premature polymerisation of styrene during its production by dehydrogenation of ethyl:benzene
11/11/1998EP0877029A2 Optically active phosphine derivative having vinyl group, polymer produced using the same as monomer and transition metal complexes of these
11/10/1998US5834531 Positive photoresists of hydroxystyrene-hydroxyvinylcyclo-hexane copolymer crosslinked with an aliphatic vinyl ether to provide acid-labile acetal and/or ketal protective groups; heat resistance; resolution, uv radiation
11/10/1998US5834523 Porous sheet impregnated with trifluorostyrene-based polymer which may contain ion exchange moieties
11/05/1998WO1998049204A1 Method for producing homopolymerizates and copolymerizates
11/05/1998WO1998048913A1 Polynucleotide separations on nonporous polymer beads
11/04/1998EP0874865A1 Macromonomeres compounds, their preparation from dienic compounds and use thereof
11/04/1998CN1197806A Multi-chelate organolithium initiator and its method in synthesizing polymer with wide molecular weight distribution and high Mooney viscosity with the same
11/03/1998US5830959 Process for the production of vinylaromatic polymers with a high degree of syndiotacticity
11/03/1998CA2171298C Trifluorostyrene and substituted trifluorostyrene copolymeric compositions and ion-exchange membranes formed therefrom
10/1998
10/29/1998WO1998047930A1 Finishing process for syndiotactic vinyl aromatic polymers
10/29/1998DE19717877A1 Verfahren zur Herstellung von partikelförmigen Homo- und Copolymerisaten aus Mikrosuspensionen in einem Rohrreaktor Process for the preparation of particulate homopolymers and copolymers of micro suspensions in a tubular reactor
10/27/1998US5827348 Treating with solution of cyanide ion and fluoroaliphatic surfactant
10/21/1998EP0872492A2 Transition metal compound as catalyst component for polymerization, aromatic vinyl compound-olefin copolymer having stereoregularity and method for its preparation by means of the transition metal compound as catalyst component
10/21/1998EP0871811A1 Latex for packaging applications
10/21/1998CN1196357A Transition metal catalyst composition, its aromatic vinyl compound polymer and preparation method thereof
10/20/1998US5824753 Process for producing a styrenic polymer
10/15/1998WO1998045362A1 Thermoplastic molding materials
10/15/1998DE19714548A1 Thermoplastische Formmassen A thermoplastic molding material
10/15/1998CA2275197A1 Thermoplastic molding materials
10/14/1998EP0870777A2 Initiator system and process for the anionic (co)polymerisation of (meth)acrylic, vinylaromatic and/or dienic monomers
10/13/1998US5821312 Acid-functionalized saccharides as polyvalent anti-infectives
10/13/1998US5821307 Functionalized chain extended initiators for anionic polymerization
10/08/1998WO1998044006A1 Process for producing fine polymer particles
10/08/1998WO1998029358A3 Surface modified carbonate materials
10/07/1998EP0868448A1 Low molecular weight structured polymers
10/07/1998EP0868446A1 Process for preparing poly(4-hydroxystyrene)
10/07/1998EP0868444A1 Process for the preparation of very acidic cation exchangers
10/07/1998EP0758353B1 PROCESS OF MAKING A STABLE SOLUTION OF POLY(HYDROXYSTYRENE) FUNCTIONALIZED WITH t-BUTYLOXYCARBONYL GROUPS
10/07/1998CN1194996A Photocrosslinkable polymers
09/1998
09/30/1998EP0867454A1 Polymerization catalyst and process for producing polymers
09/30/1998EP0866813A1 Process for the preparation of polymerisates of vinyl aromatic compounds in a stage using double screw extruders
09/30/1998CN1194653A Olefin polymerization process
09/23/1998CN1193986A Continuous production of expandable styrene polymer beads
09/23/1998CN1193753A Chemically amplified resist
09/22/1998US5811502 Containing copolymers of methacrylic esters and having oxygen permeability, sufficient hardness and wettability
09/22/1998US5811500 Process for the controlled radical (CO) polymerization of (Meth) acrylic vinyl vinylidene and diene monomers in the presence of an Rh Co OR Ir
09/22/1998US5811481 Lithographic ink
09/20/1998CA2232502A1 Polymerization inhibitor process
09/16/1998EP0864590A2 Process for preparing vinyl phenol polymers and stabilized compositions of vinyl phenol-containing polymerization raw material
09/16/1998EP0864577A2 Optically active phosphine derivative having at least two vinyl groups, polymer produced using the same as monomer and transition metal complexes of these
09/16/1998EP0813557B1 Polystyrene dispersions capable of being filtered
09/16/1998CN1193013A Modified oligodeoxynucleotide acid
09/15/1998US5808089 Substituted heterocyclic amine monomers
09/15/1998US5807945 (Co)polymers based on vinyl units and use thereof in electroluminescent arrangements
09/15/1998US5807940 Catalyst for polymerization and process for producing a styrenic polymer by using the catalyst
09/15/1998US5807937 Processes based on atom (or group) transfer radical polymerization and novel (co) polymers having useful structures and properties
09/15/1998US5807837 Administering to treat hiv infections to inhibit the replication of foreign nucleic acids in a normal cell
09/15/1998US5807800 Molecular sieve supported metallocene catalyst
09/11/1998WO1998039320A1 Photoactive coumarin sulfonate compounds
09/09/1998EP0794969A4 Functionalized para-alkylstyrene polymers and copolymers
09/09/1998EP0759193B1 Vinylbenzyl thymine monomers and polymers and products prepared from same
09/08/1998US5804632 Production of polymer emulsions
09/02/1998EP0861853A1 Catalyst and process for the syndiotactic polymerization of vinylaromatic compounds
09/02/1998EP0861273A1 Process for producing copolymers from vinylaromatic and olefinic compounds by dispersion polymerisation in the presence of metallocene catalyst systems
09/02/1998EP0861272A1 Improved processes based on atom (or group) transfer radical polymerization and novel (co)polymers having useful structures and properties
09/01/1998US5800974 Silver halide imaging materials
08/1998
08/26/1998EP0860451A1 Process for removing metals from vinylphenol-type polymers
08/26/1998CN1191227A Process for production of expandable particles of styrene polymers
08/26/1998CN1191223A Catalyst system for syndiotactic polymerization, its preparing method and use thereof
08/25/1998US5798418 Star polymers from mixed initiators
08/19/1998EP0858476A1 Polymer foams
08/19/1998EP0858449A1 Thermally stable hindered amines as stabilizers
08/19/1998EP0819155A4 Brominated syndiotactic styrenic polymers and method for making and using same
08/19/1998CN1190657A Process for producing stereospecific polymers
08/18/1998US5795497 Thiouracil derivatives and metal surface-treating agent comprising thereof
08/18/1998CA2157691C High performance alkali-swellable rheological additives for aqueous systems
08/13/1998WO1998034967A1 Method of making fluoropolymers
08/13/1998WO1998030587A3 Metal halide solid acids and supported metal halides as catalysts for the preparation of hydrocarbon resins
08/12/1998EP0857734A1 Process for producing stereospecific polymers
08/12/1998EP0857179A1 Catalyst constituents and catalyst system with a high degree of polymerisation activity for the production of polymers
08/12/1998CN1190409A Antidrip agents for thermoplastic molding compounds
08/05/1998EP0856548A1 Process for the production of expandable particles of styrene polymers
08/04/1998US5789600 Polymerizable monomer containing electrolytically polymerizable groups
08/04/1998US5789487 Preparation of novel homo- and copolymers using atom transfer radical polymerization
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