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