Patents for C08F 6 - Post-polymerisation treatments (8,582) |
---|
10/17/1989 | US4874839 Heat treatment prior to melt processing; decoloring; purification |
10/17/1989 | CA1262394A1 Preparation of concentrated, stable water-in-oil emulsions of water-soluble or water-swellable polymers |
10/10/1989 | US4873382 Purification of telomers prepared from chlorotrifluoroethylene and trichlorotrifluoroethane |
10/10/1989 | CA1262232A1 Process for drying vesiculated beads and associated shading pigments therewith |
10/03/1989 | US4871828 Purification/isolation of isocyanate condensates |
09/27/1989 | EP0333879A1 Process for continuously producing granular polymer and process for controlling particle size of said polymer |
09/27/1989 | CN1035832A Process for removing solvent from solution of polymer |
09/26/1989 | CA1261566A1 Method for producing plastic optical fiber with heat resistance |
09/26/1989 | CA1261544A1 Closed loop recycle of vent gas in polymerization process |
09/26/1989 | CA1261541A1 Preparation of redispersible, pourable ethylene-vinyl chloride copolymer powders |
09/19/1989 | CA1259733A1 Method of rapidly dissolving polymers in water |
09/12/1989 | CA1259447A1 Method of catalyst deactivation |
09/06/1989 | EP0331419A2 Post-reactor stabilization of polymers |
09/05/1989 | US4863524 Method of cleaning the interior of polymerization reactor |
08/23/1989 | EP0329325A2 Method of producing acrylamide polymer particles |
08/23/1989 | EP0329324A2 Polymeric compositions and their production |
08/22/1989 | US4859751 Process for emulsion polymerization |
08/22/1989 | US4859733 Mixture with zinc oxide and zeolite;food packaging |
08/16/1989 | EP0328302A2 Method for the deactivation and neutralization of polyolefin catalysts |
08/15/1989 | US4857633 Method for high temperature phase separation of solutions containing polymers |
08/15/1989 | US4857631 Method for producing de-watered grafted rubber concentrate |
08/15/1989 | US4857616 Xanthogen disulfide for molecular weight control and tetraalkylthiuram disulfide |
08/09/1989 | EP0327006A2 Low emission emulsion paints, coatings and latex-based plasters, and method for their manufacture |
08/08/1989 | US4855400 Removal of catalyst residues from carbon monoxide/olefin polymers with catalyst complexing agent |
08/08/1989 | US4855338 Method for treating grafted protein latices |
08/02/1989 | CN2041974U 过滤器 Filter |
08/02/1989 | CN1034372A Superabsorbent polymeric compositions and process for producing the same |
08/01/1989 | US4853461 Mixing with acid, heating |
08/01/1989 | US4853422 Thermosetting arcylic latexes |
07/26/1989 | EP0325198A1 Polymer solution treatment process |
07/26/1989 | EP0324985A2 Process for the preparation of water-absorbent and water-swellable polysaccharide graft polymers |
07/05/1989 | CN1033620A Process for puring and separating isocyanate condensation compounds by extraction with liquid supercritical carbon dioxide |
07/05/1989 | CN1004697B Continous treatment process of polymer composition |
06/27/1989 | US4842743 Extraction with fluid carbon dioxide |
06/27/1989 | US4842694 Apparatus for treating thermoplastic polymers |
06/27/1989 | CA1256645A1 Pulverulent emulsion polymers and process for their production |
06/21/1989 | EP0320571A2 Production of alpha-olefins |
06/20/1989 | US4840991 Aqueous dispersions of partially cross-linked emulsion copolymers |
06/14/1989 | EP0319622A1 Method for the polymerization of acrylics |
06/07/1989 | EP0318822A2 Process for purifying N-vinyl carbazole polymers containing impurities |
05/24/1989 | EP0317138A2 Superabsorbent polymeric compositions and processes for producing them |
05/24/1989 | EP0316982A2 Method for separating metal contaminants from organic polymers |
05/23/1989 | US4833221 Method for polymerizing a methyl methacrylate molding composition |
05/23/1989 | US4832915 Vapor recovery from particles containing same |
05/16/1989 | US4831116 Process for coagulating a grafted rubber compound |
05/16/1989 | CA1254325A1 Process for the production of polymers and aqueous solutions thereof |
05/10/1989 | CN1032801A Process for producing cycloolefin random copolymer |
05/10/1989 | CN1032798A Process for decolorizing of resinous polymers of vinylaromatic-conjugated diene type |
05/03/1989 | EP0314488A2 Hydrolysis of poly (acetoxystyrene) in aqueous suspension |
05/03/1989 | EP0313849A1 Thickening agent for physically drying paints and coatings, and production process thereof |
05/03/1989 | CN1004076B Process for preparation of beta-crystalline polypropylene |
04/26/1989 | EP0312948A2 Process for the manufacture of low-pressure polyolefines with better devolatilization of residual monomers and dispersing agents |
04/25/1989 | CA1253291A1 Process for removal of low molecular weight fractions from vinyl pyridine polymers and copolymers |
04/19/1989 | EP0312213A1 Romoval of catalyst residues |
04/18/1989 | US4822535 Method for producing small, spherical polymer particles |
04/12/1989 | EP0310691A1 Pigmented low temperature cure emulsions |
04/11/1989 | US4820463 Process of degassing and pelletizing polyolefins |
04/11/1989 | CA1252598A1 Phase separation processes |
04/06/1989 | WO1989002905A1 Process for continuously producing granular polymer and process for controlling particle size of said polymer |
04/06/1989 | WO1989002902A1 Process for continuously treating a polymer reaction solution |
04/05/1989 | EP0310394A1 Process for producing cycloolefin random copolymer |
03/29/1989 | EP0309434A1 Process for decolorizing of resinous polymers |
03/29/1989 | EP0309404A2 Bioadhesive copolymer useful as a carrier in the administration of medicines by direct contact |
03/29/1989 | EP0309364A2 Process for the purification and isolation of condensed isocyanates by extraction with liquid or supercritical carbon dioxide |
03/14/1989 | US4812491 Thermosetting acrylic latexes |
03/08/1989 | EP0305447A1 Improved insoluble vinyl lactam clarifiers |
03/01/1989 | EP0305060A2 Polymer non-aqueous dispersion, process for preparing the same and coating composition formulated therewith |
03/01/1989 | EP0304582A1 Process for making styrene polymers having a narrow grain size distribution |
02/28/1989 | US4808262 Method for devolatilizing polymer solutions |
02/28/1989 | CA1250697A1 Process for production of styrene polymers |
02/15/1989 | CN1031092A Removing fines from mass resins |
02/15/1989 | CN1031090A Method of decreasing free-formaldehyde content in water-soluble polyvinyl formal resin |
02/14/1989 | US4804775 Using synergistic mixture of peroxycarbonate, diperoxyketal and peroxyester chaser catalyst |
02/14/1989 | US4804725 Reduction of the emission of hydrocarbons in pressure-reduction processes in high pressure polymerization reactors |
02/09/1989 | DE3724853A1 Process for degassing PVC dispersions |
02/08/1989 | EP0302399A2 Removing fines from mass resin |
02/07/1989 | US4803260 Aggregation with a water insoluble liquid, separation, and dehydration |
02/07/1989 | US4803259 Improved color of polymer |
02/07/1989 | US4802769 Apparatus for treating thermoplastic resin |
01/31/1989 | US4801683 Method for the deactivation and neutralization of polyolefin catalysts |
01/31/1989 | US4801637 Using coordination catalyst containing magnesium, titanium and aluminum in alcoholic solution containing aromatic carboxylic acid |
01/24/1989 | US4800216 Acrylonitrile-butadiene-styrene |
01/18/1989 | EP0299344A2 Low dust spray-dried emulsion polymerisate and its preparation and use processes |
01/18/1989 | EP0299317A2 Heat sensitive polymer dispersions |
01/17/1989 | US4798867 Impact resistant thermoplastic resin composition |
01/17/1989 | US4798854 Surface charges, zeta potentials, coagulation, fillers |
01/03/1989 | US4795854 Separating effluent from a polymerization reactor, i.e. gaseous ethylene and liquid polyethylene |
01/03/1989 | US4795802 Adosrption with active carbon, zeolites or an acidic ion exchanger |
01/03/1989 | CA1248292A1 Melt-processible tetrafluoroethylene copolymers and processes for preparing them |
12/28/1988 | EP0296990A1 Process for preparing polybutadiene containing hydroxyl |
12/28/1988 | CN88104541A Process for manufacture of hydroxylated polybutadiene |
12/27/1988 | US4794167 Continuous feeding of dispersion and liquids to atomization apparatus |
12/27/1988 | US4794166 Process for the preparation of a hydrogel which is largely free from monomers |
12/21/1988 | EP0295430A2 Process for preparing virtually uncured polyacetylene films |
12/21/1988 | CN88103323A Hydrophilic polymer and method for production thereof |
12/20/1988 | US4792490 Pure, bulk emulsion polymers that permit uniform impregnation, injection molding |
12/06/1988 | US4789716 Method of manufacturing polymaleic anhydride powders |
12/06/1988 | US4789713 Preparation of terpolymers |
12/06/1988 | US4789694 Glycoluril crosslinked addition emulsion polymer binders |
11/22/1988 | US4786717 Deactivation of aluminum alkyls |