Patents for C08F 6 - Post-polymerisation treatments (8,582)
03/1993
03/16/1993US5194516 Free Radical Treatment
03/16/1993US5194469 Neutralized tetrapolymer of styrene, acrylate, acrylic and methacrylic acid, roof coating
03/16/1993CA1314651C Process for coagulating polymer latex
03/09/1993CA1314355C Hydrophilic polymer and method for production thereof
03/09/1993CA1314252C Polymeric compositions and their production
03/04/1993WO1993004407A1 A process for preparing a binder resin useful in electrophotographic toner
03/03/1993EP0529711A1 Process of continuous preparation of disperse colloidal systems in the form of nanocapsules or nanoparticles
03/02/1993US5191150 Method for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfone
03/02/1993US5191062 Steam purging of granular epdm resins
02/1993
02/24/1993EP0528267A1 Shock resistance modifying polymers
02/23/1993US5188952 Process for the decomposition of acrylamide
02/17/1993EP0527386A1 Process for concentrating latex dispersions
02/17/1993EP0527225A1 Method of improving the oxidative thermal stability of ethylene polymers
02/16/1993USRE34181 Treatment of aqueous suspension of vinyl chloride polymers
02/16/1993US5186824 Rotating processor; sequential separation by fluid density
02/09/1993US5185429 Cooling to cause precipitation; transferring; collecting; repeating
02/09/1993US5185414 Drying temperature independent polytetrafluoroethylene
02/03/1993EP0525748A1 Method and apparatus for removing hydrocarbons from polymer slurries
02/03/1993CA2074780A1 Method and apparatus for removing hydrocarbons from polymer slurries
02/02/1993US5183879 Polymer gel manufacturing methods
02/02/1993US5183866 Polymer recovery process
01/1993
01/26/1993US5181987 Device and process for precipitating polymers
01/21/1993WO1993001220A1 Benzene-free maleic anhydride/vinyl ether polymers
01/19/1993US5180804 Improving the water absorption capacity of crosslinked, water-swellable polymers
01/19/1993US5180803 Stabilization of fluoropolymers
01/13/1993EP0522141A1 Method for masking the taste of a medicament
01/13/1993EP0522094A1 Decomposition of ethylenically unsaturated carboxylic esters
01/13/1993CN1067900A Degassing process removing unpolymerized monomers from olefin polymers
01/13/1993CN1067830A Optmum vacuum rotary drum system for solid phase polymerization and densification of polymer
01/07/1993EP0521620A1 Removal of residual monomers from polymers
01/05/1993US5177297 Method of removing a polymerization catalyst
01/05/1993CA1312406C Process for the production of stable amorphous polyalphaolefins
12/1992
12/30/1992EP0520007A1 Process for purifying brominated polystyrene
12/29/1992US5175248 Process for the removal of n-vinylcarbazole from poly(n-vinylcarbazole)
12/29/1992US5175247 Adding an organo metallic compound, mixing with water and acid or base and separation
12/28/1992CA2072472A1 Removal of residual monomers from polymers
12/22/1992US5173537 In the presence of bis(cyclopentadienyl) titanium compound
12/22/1992US5172760 Heat exchange apparatus for separating a resin phase from a solvent solution containing a solvent, demetallized oil and a resin
12/16/1992EP0517987A1 Process for preparing aqueous dispersions of magnetic polymer particles with sharp grain size distribution
12/16/1992EP0248681B1 Method of cleaning the interior of polymerization reactor
12/15/1992US5171791 Anionic polymerization process
12/15/1992US5171767 Utrafiltration process for the recovery of polymeric latices from whitewater
11/1992
11/26/1992WO1992020732A1 Modified cationic layer compounds
11/26/1992WO1992020723A1 Process for recycling aqueous fluid absorbent fines to a polymerizer
11/26/1992WO1992020721A1 Process for producing both of ultraviolet-absorbent self-dispersible water-base vinyl resin and fine resin particle
11/26/1992DE4117035A1 Kationische, modifizierte schichtverbindungen Cationic modified layered compounds
11/25/1992EP0514775A1 Process for producing a superabsorbent polymer
11/25/1992EP0514649A1 Stabilization of aqueous polymers in the presence of hydroxylamine
11/25/1992EP0514648A1 Microdispersions of hydroxamated polymers
11/19/1992EP0513816A2 Degassing process for removing unpolymerized monomers from olefin polymers
11/19/1992EP0513780A1 Process for recycling aqueous fluid absorbents fines to a polymerizer
11/19/1992EP0513323A1 Method for converting ethylene into light alpha olefines.
11/18/1992CA2068785A1 Degassing process for removing unpolymerized monomers from olefin polymers
11/17/1992CA2068859A1 Process for recycling aqueous fluid absorbents fines to a polymerizer
11/11/1992EP0512736A2 Ultrafiltration processes for the recovery of polymeric latices from whitewater, and apparatus therefor
11/11/1992EP0512175A1 Process for removing residual monomers and oligomers from amine-containing polymers
11/07/1992CA2067283A1 Ultrafiltration process for the recovery of polymeric latices from whitewater
11/04/1992EP0471766A4 A process for minimizing residual free hydrazine in polymer latices
11/04/1992CN1065868A Reduction of polymerization inhibitor in recycle streams
11/03/1992US5160464 Polymer irradiation
10/1992
10/28/1992EP0510805A1 Non-agglomerating suspension polymers
10/28/1992CN1065662A Hp catalyst killer
10/27/1992US5159058 Good optical properties; mixing melt of polymer with water or alcohol; applying vacuum
10/21/1992EP0509369A2 Process for treating stabilized ABS polymers with recuperation of unpolymerized monomer
10/21/1992CN1065464A Process for removing residual monomers and oligomers from amine-containing polymers
10/20/1992US5157205 Solutions of caustic and sulfite
10/19/1992CA2065110A1 Anti-blocking suspension polymers
10/13/1992US5155185 Process for producing dust free polyvinyl chloride resins
10/09/1992CA2065486A1 Method for recovering unreacted monomers after preparation of vinylic polymer
10/07/1992CN1065075A Low-formaldehyde, self-crosslinking polymer latex composition
10/06/1992CA2048483A1 Process for removing residual monomers and oligomers from amine-containing polymers
09/1992
09/30/1992EP0505992A2 Improved process for the removal of catalytic residues based on AlCl3 and/or complex compounds thereof
09/30/1992EP0505959A2 Process for removing monomers from aqueous polymerdispersions of polyvinylesters
09/28/1992CA2062656A1 Process for reducing the residual monomer content in aqueous plastics dispersions based on polyvinyl ester
09/27/1992CA2063957A1 Procedure for the removal of catalytic residues based on alcl3 and/or its complex compounds
09/23/1992EP0505163A1 Reduction of residual monomers in superabsorbent polymers
09/22/1992US5149775 Method for purifying high molecular weight vinylpyridine/styrene polymers from solution
09/17/1992WO1992015621A1 Method of improving the oxidative thermal stability of ethylene polymers
09/16/1992EP0503241A1 Process for drying small particles of expandable polystyrene
09/15/1992US5147506 Compatibility agent for aqueous polypigmentary suspensions containing hydrated calcium sulfate
09/15/1992CA1307542C Removal of catalyst residues
09/08/1992US5145890 Method for reducing the carboxylester content of an emulsion polymer
09/08/1992US5145878 Drying of finely divided, expandable styrene polymers
09/03/1992WO1992014766A1 Hp catalyst killer
09/02/1992EP0501272A1 Latex for coatings having improved flexibility
09/01/1992US5143954 Low-formaldehyde, self-crosslinking polymer latex composition
08/1992
08/26/1992EP0499941A1 Process for the preparation of colourless hydrocarbon resins and products obtained thereby
08/26/1992EP0499774A1 Process for the preparation of water swellable grafted polysaccharide particles
08/20/1992CA2061360A1 Process for the preparation of fine-particle, water-swellable polysaccharide graft copolymers
08/19/1992EP0499599A2 Reduction of polymerisation inhibitor in recycle streams
08/19/1992EP0499267A2 Process and apparatus for the industrial fractionation of polymers
08/15/1992CA2061175A1 Drying of finely divided, expandable styrene polymers
08/12/1992CA2060957A1 Procedure for the preparation of colourless hydrocarbon resins and the resulting products
08/11/1992US5137943 Removal of residual acid from chlorinated polymers
08/05/1992EP0497207A2 Process for purification of styrenic polymer
08/05/1992CN1063238A Multishaft thin film reactor
08/05/1992CN1017685B Adsorbant for purification of polyolefines and process for prepation thereof
08/04/1992USH1094 Process to produce tack-free rubber particles
08/04/1992US5136117 Monomeric recovery from polymeric materials
07/1992
07/30/1992WO1992013010A1 Method for inhibiting popcorn polymer formation by heat
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