Patents for C08F 6 - Post-polymerisation treatments (8,582)
12/1987
12/15/1987US4713443 Contacting slurry of polymer with noncondensable gas at a high temperature by strong agitation
12/09/1987EP0248681A2 Method of cleaning the interior of polymerization reactor
12/09/1987CN87103840A Water-soluble polymer composition
12/08/1987US4711923 Color of polymers
12/01/1987US4710563 Process for the recovery of amorphous devaporized polyalphaolefin
12/01/1987US4710553 Process for the polymerization or copolymerization of butadiene
12/01/1987CA1229947A1 Chemical/steam stripping
11/1987
11/19/1987EP0245647A1 Polymethacrylate moulding masses showing a higher heat resistance and higher heat stability
11/18/1987CN87103140A Isopropanolamines as catalyst deactivators in solution process for polymerization of alpha-olefins
11/18/1987CN87102435A Preparation of olefin polymerization catalyst component
11/11/1987EP0245043A2 Apparatus for degassing and pelleting polyolefins
11/11/1987EP0143716B1 Process for the polymerisation and the copolymerisation of ethylene at high pressure and temperature in the presence of ziegler-type catalysts
11/04/1987EP0243752A2 Free draining polymerization process vessels
11/03/1987US4704423 Process for producing molded article comprising hydrotalcite, EVOH, and olefin resin
11/03/1987US4704421 Nucleation of propylene polymers
10/1987
10/28/1987EP0243083A1 Isopropanolamines as catalyst deactivators in solution process for polymerization of alpha-olefins
10/28/1987EP0242677A2 Process for preparing heat resistant moulding masses
10/28/1987EP0242517A2 Process for recovering polymers from their dispersions
10/27/1987US4703105 Carbon dioxide gas extraction in supercritical state of styrene-acrylonitrile copolymer, preventing depolymerization
10/21/1987CN87102681A Free draining polymerization process vessels
10/20/1987US4701489 Process for the production of stable noncorrosive amorphous polyalphaolefins
10/14/1987EP0240983A2 Compacted agglomerates of polymer latex particles
10/13/1987US4699976 Two-step volatile component separation
10/06/1987US4698395 Process of purifying maleic anhydride-modified polyolefin
09/1987
09/30/1987EP0239215A1 Treatment of grafted protein latices
09/23/1987EP0237792A1 Telechelic polymers
09/22/1987US4695621 Method for reducing residual monomers from oversized fat imbibing copolymer beads
09/16/1987EP0236772A1 Process for preparing polychloroprene
09/16/1987CN86101431A Far-infrared drying method of polyacrylamide (paa)
09/09/1987EP0236082A2 Preparation of olefin polymerization catalyst component
09/09/1987EP0235998A2 Supported fluorocarbonsulfonic acid polymers and methods for their preparation
09/09/1987EP0235421A1 Separation of polymer from hydrocarbon solvent in a process for the manufacture of polymers of ethylene
09/08/1987US4692501 Process for continuous multi-stage polymerization of olefins
09/08/1987US4692489 Polypropylene compositions of improved clarity
09/02/1987EP0234393A2 Treatment of polymers by spray drying
09/01/1987CA1226399A1 Improved continuous manufacturing process of ethylene homopolymers or copolymers
08/1987
08/26/1987EP0233661A1 Process for purifying a thermoplastic polymer
08/25/1987CA1226098A1 Improved continuous manufacturing process of ethylene homopolymers or copolymers
08/18/1987US4687807 Hydrolases
08/18/1987US4687708 Melt processible non elastomeric polymer
08/18/1987CA1225791A1 Crotonate-containing copolymers, processes for their preparation and their use as thickeners in aqueous systems and as sizing agents
08/11/1987US4686279 Evaporation, devolatilizing extruder
08/11/1987US4686278 Recovering chlorinated polymers from solution
08/11/1987US4686086 Process system including fluid flow control apparatus
08/05/1987EP0231099A2 Process for producing low-dust transparent thermoplastic resin solution
08/05/1987EP0230506A1 Ethyl alcohol process for polyvinyl acetate production
08/04/1987US4684683 Injection blow molding grade propylene polymers
07/1987
07/30/1987WO1987004441A1 Ethyl alcohol process for polyvinyl acetate production
07/29/1987CN86108081A Low energy dewatering of dispersed particle latexes by electrofiltration
07/29/1987CN86107269A Recovery isoprene in preparing butyl rubber
07/28/1987US4683290 Method for treating thermoplastic polymers
07/28/1987CA1224898A1 Clear haze-free impact-resistant resinous polymers
07/22/1987EP0229521A1 Reducing contamination of olefinic hydrocarbons
07/21/1987CA1224593A1 EMULSION COPOLYMERS OF META- OR PARA-ISOPROPENYL-.alpha., .alpha.-DIMETHYLBENZYLISOCYANATE
07/15/1987CN86107888A Removal of catalyst remnants from ethene/co copolymers
07/15/1987CN86106961A Process for producing petroleum resin
07/14/1987US4680381 Polymeric dispersant
07/14/1987US4680353 Process for production of styrene polymers
07/14/1987US4680336 Method of forming shaped hydrogel articles
07/01/1987EP0227135A2 Removal of catalyst remnants from ethene/CO copolymers
07/01/1987EP0226865A1 Low energy dewatering of dispersed particle latexes by electrofiltration
07/01/1987EP0226668A1 Process for treating melt-processible Tetrafluoroethylene/perfluoro(alkyl vinyl)- ether copolymers
06/1987
06/24/1987EP0226204A2 Method and apparatus for devolatilizing polymer solutions
06/23/1987US4675380 Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them
06/16/1987US4673768 Controlling temperature of vessel walls above depressurizatio n means
06/16/1987US4673702 Coatings
06/16/1987EP0225612A2 Aqueous polymer dispersions, process for their preparation and their use
06/16/1987EP0225403A1 Rehydratable polyacrylamide gels
06/09/1987US4671860 Low energy dewatering of dispersed particle latexes by electrofiltration
06/03/1987EP0224097A1 Process for production of styrene polymers
06/03/1987EP0224037A2 Melt processible tetrafluoroethylene copolymer granules
06/02/1987US4670538 Process for degassing vinyl chloride-base polymers and copolymers prepared in bulk and polymers and copolymers having an improved sieving capability resulting therefrom
05/1987
05/27/1987EP0222945A1 Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
05/27/1987CN86106330A Process for the purification of ethylene/alphaolefin copolymers
05/26/1987US4668738 Process for promoting syneresis in high rubber ABS latex
05/19/1987US4666994 Color of polymers
05/19/1987CA1222095A1 PROCESS FOR PRODUCING POLYETHYLENE AND AN ETHYLENE- .alpha.-OLEFIN COPOLYMER
05/19/1987CA1222094A1 Manufacture of ethylene homopolymers and copolymers
05/19/1987CA1222093A1 Removal of benzene from carboxy polymethylene resin
05/19/1987CA1222092A1 Method for making a salt free solid polymer from a polymer emulsion
05/12/1987CA1221798A1 Quality of isobutene polymers
05/06/1987EP0220817A2 Process for the purifacation of ethylene/alphaolefin copolymers
05/05/1987CA1221498A1 Coagulation
04/1987
04/28/1987US4661411 Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution
04/28/1987CA1221197A1 Linear low density polyethylene process
04/21/1987US4659755 Method of continuously operating a counter-flow washing column
04/15/1987CN85106458A Process for producing styrene/alkenylnitrile copolymers
04/14/1987US4658012 Process for purifying chlorinated aliphatic polymers
04/14/1987US4658000 Polyacrylamide adhesive for fixing the sorbent layers of overpressured, one-and multilayer-chromatographic plates and a process for the preparation thereof
04/14/1987CA1220599A1 Process for removal of residual monomers from ethylene copolymers
04/08/1987EP0217006A2 Method of producing coagulated colloidal particles
03/1987
03/31/1987US4654377 Process for the preparation of low molecular weight polyhydroxyl compounds
03/31/1987CA1219995A1 Recovery of chlorinated poly(vinyl chloride)
03/31/1987CA1219993A1 Process for producing polybutadiene rubber with enhanced mechanical strength
03/25/1987EP0215321A2 Particulate polymer and preparation process thereof
03/17/1987US4650841 Continuous process for the manufacture of ethylene homopolymers or ethylene copolymers
03/11/1987EP0213788A2 Method for improving the clarity of propylene polymers
03/11/1987EP0213303A2 A method for producing small, spherical polymer particles
03/10/1987US4649128 Coordination or transition metal oxide catalyst, alpha-olefin-unsaturated ester copolymer
03/03/1987US4647652 Hydrolyzed polyvinyl acetate, carboxy acid
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