Patents for C08F 6 - Post-polymerisation treatments (8,582)
04/2000
04/20/2000WO2000021632A1 Counterflow stripping tube
04/20/2000CA2345625A1 Hydrophilic, highly swellable hydrogels, their preparation and use
04/18/2000US6051682 Polymerization of fluorinated homopolymers and copolymers in a pressurized reactor containing a nonaqueous medium comprising liquid or supercritical carbon dioxide
04/18/2000US6051631 Process for treating fluid streams
04/18/2000CA2132431C Separation process
04/18/2000CA2010248C Recovery of double metal cyanide complex catalyst from a polymer
04/13/2000DE19846412A1 New swellable, hydrophilic hydrogel having good absorption properties, useful in hygienic articles, prepared by polymerization, comminution, post-neutralization, drying, grinding and sieving
04/11/2000US6048961 Decoloring butadiene-styrene copolymer in the presence of alkali metal catalyst
04/06/2000WO1999065953A9 Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
04/05/2000EP0990665A2 Polymers of acrylic esters and their use as deaerator of varnishes and paints
04/04/2000US6046273 Making graft copolymer comprising propylene polymer having grafted thereto ester of alkyl-substituted acrylic acid and alkyl-substituted acrylic acid, removing unreacted monomer, decomposing initiator, deactivating free radicals
04/04/2000US6045702 Separating said water-soluble polymer into a plurality of permeate and retentate phases using an organic or mineral membrane by differences therebetween in hydrodynamic volume in a continuous or batch process
04/04/2000US6045675 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus
04/04/2000US6045661 Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent
03/2000
03/29/2000EP0988375A1 Acrylamidase enzymes
03/29/2000EP0988328A1 Method of recycling cocatalyst for olefin polymerization conducted with metallocene catalyst
03/28/2000US6043299 Process for the extraction of material from multi-phase systems
03/23/2000DE19841559A1 Polyacrylsäureester und ihre Verwendung als Entlüfter für Lacke und Farben Polyacrylic acid esters and their use as deaerator for paints and coatings
03/22/2000EP0986582A1 Process for making hydrogenated conjugated diene polymers
03/21/2000US6040820 Track ball input device
03/16/2000WO2000014123A1 Method for reducing the quantity of residual monomers in aqueous dispersions of polymers
03/15/2000CN2368848Y Polymer devolatilization apparatus
03/14/2000CA2027788C Polyester mixture, it's preparation and use
03/09/2000WO2000012570A1 Removal of hydrogenation catalyst from polymer solutions by treatment with ammonia and carbon dioxide
03/09/2000WO2000012569A1 Method for reducing the quantity of residual monomers in aqueous polymeric dispersions
03/09/2000DE19840586A1 Verfahren zur Verminderung der Restmonomerenmenge in wässrigen Polymerdispersionen A process for reducing the residual monomer in aqueous polymer dispersions
03/08/2000EP0983305A1 Solid state devolatilization of syndiotactic vinyl aromatic polymers with catalyst deactivation
03/08/2000CN1050138C Method and apparatus for removing residual volatile component from polymer system
03/08/2000CN1050137C Method and apparatus for removing volatile component from thermoplastics polymer
03/07/2000US6034209 Method of recovering low-boiling substances from a polymer latex
03/02/2000WO2000011040A1 Process for producing butene polymer
03/02/2000DE19839199A1 Verfahren zur Verminderung der Restmonomerenmenge in wässrigen Polymerdispersionen A process for reducing the residual monomer in aqueous polymer dispersions
03/01/2000EP0982325A1 Polyvinylidene chloride latex and process for the preparation thereof
03/01/2000EP0981553A1 Polymer deformulation by solvent solution filtration
02/2000
02/29/2000US6031070 Solid state devolatilization of syndiotactic vinyl aromatic polymers with catalyst deactivation
02/24/2000WO2000009589A1 Redispersible emulsion powder and process for producing the same
02/24/2000WO2000009574A1 Method for removing initiators from grafting products
02/24/2000WO2000009573A1 Method for eliminating formamide from polymerizates containing n-vinyl formamide units
02/24/2000DE19837752A1 Verfahren zur Herstellung von lagerstabilen Saatpolymerisaten Process for the preparation of storage-stable seed polymers
02/23/2000EP0980876A1 Process for the preparation of storage-stable seed polymers
02/23/2000CN1245505A Method and apparatus for removing residual monomers
02/23/2000CN1049664C Method for working of aqueous dispersion of fluorotheramoplastic
02/22/2000US6028166 Method and apparatus for generating a continuous source of mixed and degassed resin
02/17/2000WO2000008062A1 Process for the synthesis of high molecular weight predominantly amorphous polymers with improved color and adhesive properties
02/17/2000WO2000007684A1 Method for evaporating polymer solutions of thermoplastic polymers
02/17/2000DE19836992A1 Removal of formamide from N-vinylformamide polymers, e.g. for use in cosmetic or pharmaceutical formulations comprises treatment with acid or base
02/17/2000DE19835744A1 Verfahren zum Eindampfen von Polymerlösungen thermoplastischer Polymere A method of evaporation of polymer solutions of thermoplastic polymers
02/16/2000EP0979162A1 Two-step method for dehydrating plastic dispersions
02/15/2000CA2022155C Process for producing styrene polymers
02/10/2000WO2000006616A1 Process and apparatus for removing impurities from polymers
02/09/2000CN1243839A Purification of recycled polystyrene
02/08/2000US6022946 And incorporating into the deactivated polyolefin polymer an acid acceptor and at least one secondary antioxidant.
02/08/2000US6022915 Thermoplastic molding compounds and a method of reducing the formation of residual monomers in these molding compounds
02/08/2000CA2011925C Terminators for anionic polymerizations
02/03/2000WO2000005275A1 Redispersible powder and its aqueous dispersion, preparation process and use
02/03/2000DE19833062A1 Redispergierbares Pulver und dessen wäßrige Dispersion, Verfahren zur Herstellung sowie Verwendung Redispersible powder and the aqueous dispersion A process for producing and using
02/02/2000EP0975679A1 Finishing process for syndiotactic vinyl aromatic polymers
02/02/2000EP0779899A4 Polymer beads and method for preparation thereof
02/01/2000US6020418 Microdispersions of hydroxamated polymers
02/01/2000CA2194213C Process for preparing deodorized resin for dry toner
02/01/2000CA2116318C Process for reducing the free aldehyde content in n-alkylol amide monomers
01/2000
01/27/2000WO2000004054A1 Process for producing methacrylic polymer
01/27/2000CA2631050A1 Procedures for obtaining polymers derived from vinyl acetate and their use
01/26/2000EP0974603A2 Purification of polystyrene recycle streams
01/22/2000CA2277496A1 Purification of polystyrene recycle streams
01/19/2000CN1242021A Polymerization of fluoromonomers in carbon dioxide
01/19/2000CN1242019A Adhesives with low level of residual monomers and process for manufacturing same
01/13/2000WO1999054381A3 Methods for removing volatile components from polymer solutions
01/11/2000US6013741 Method of terminating gas phase polymerization of olefin, method of initiating the polymerization and apparatus therefor
01/11/2000US6013710 Melt extrusion with aluminum alkoxides as polymerization initiators and a silicon tetraalkoxide stabilizer
01/05/2000EP0969027A1 TFE Polymerization process
01/05/2000EP0969022A1 Fluorinated polymer purification
01/04/2000US6011113 Method of manufacturing modified polytetrafluoroethylkene fine powder
12/1999
12/30/1999DE19927131A1 Exchanging polymer solvent for styrene useful in impact resistant polystyrene production
12/30/1999DE19828183A1 Verfahren zur Entfernung von restflüchtigen Komponenten aus Polymerdispersionen A process for removing residual volatiles from polymer dispersions
12/29/1999WO1999067300A1 Methods for the removal of unwanted monomer amide compounds from polyamide preparations
12/29/1999EP0967248A1 Curable fluoroelastomeres by peroxidic way
12/29/1999EP0967232A1 Process for removing volatile residues from polymer dispersions
12/29/1999CA2335985A1 Methods for the removal of unwanted monomer amide compounds from polyamide preparations
12/23/1999WO1999065954A1 Fluorocopolymer molding material
12/23/1999WO1999065953A1 Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
12/22/1999EP0964877A1 Method for deodorizing polyolefin granulates
12/16/1999WO1999064497A1 A process for treating fluid streams
12/16/1999WO1999064477A1 Centrifugal method and apparatus for devolatilizing polymers
12/16/1999CA2332844A1 Centrifugal method and apparatus for devolatilizing polymers
12/09/1999WO1999062964A1 PURIFIED METHYL α-CHLOROACRYLATE/α-METHYLSTYRENE COPOLYMER AND ELECTRON BEAM RESIST COMPOSITION CONTAINING THE SAME
12/09/1999WO1999062858A1 Method for recovering fluorinated alkanoic acids from waste waters
12/09/1999DE19824614A1 Verfahren zur Rückgewinnung von fluorierten Alkansäuren aus Abwässern Process for the recovery of fluorinated alkane acids from wastewater
12/09/1999CA2334105A1 Process for the recovery of fluorinated alkanoic acids from wastewater
12/07/1999US5998543 Blend of a acetoacetoxy polymer and polyalkylenimine
12/01/1999EP0960143A1 Method of making fluoropolymers
12/01/1999EP0960139A1 Elastomer treatment process to decrease peroxide levels
12/01/1999EP0960138A1 Decolorization of hydroxy-containing methacrylate homopolymers and copolymers
12/01/1999EP0960137A1 Molecular weight truncation and color control in macromonomers
11/1999
11/30/1999US5994457 Preparation of an aqueous polymer dispersion
11/25/1999WO1999060028A2 Continuous volatile removal in slurry polymerization
11/24/1999EP0895516B1 Process for separating organic monomers or auxiliaries
11/23/1999USRE36406 Catalytic liquid phase polymerization of ethylene and/or higher alpha olefin with diels-alder product macromolecular monomer, deashing to remove catalyst residues, adsorption of halogenated by-products onto a zeolite
11/23/1999US5990272 Method of treating polyolefin
11/18/1999WO1999059028A1 Process for producing purified solutions of blocked polyhydroxystyrene resins
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