Patents for C08F 6 - Post-polymerisation treatments (8,582)
07/1998
07/28/1998US5786442 Plasticizers for moldings for cars
07/28/1998US5785808 Heat exchanger with pressure controlling restricter
07/24/1998CA2223816A1 Devolatilizer tray array
07/21/1998CA2135931C Drag reducers for flowing hydrocarbons
07/16/1998WO1998030598A1 Polymerisation processes and products
07/16/1998CA2277099A1 Polymerisation processes and products
07/15/1998CN1187826A Polyvinyl alcohol purification process
07/15/1998CN1187503A Process for devolatilization of copolymer containing styrene-maleic acid anhydride copolymer
07/09/1998WO1998029460A1 Methods and apparatus for removing residual monomers
07/09/1998WO1998029459A1 Method for the purification of ionic polymers
07/09/1998WO1998029457A1 Process for making stabilised non-coloured rubber
07/09/1998WO1998018535A3 Method of extracting extractive component from a fluid
07/09/1998CA2276211A1 Methods and apparatus for removing residual monomers
07/08/1998EP0851886A1 Method for producing coagulated polymer latex particles
07/08/1998EP0851877A1 Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus
07/08/1998CN1039016C Process for production of stable noncorrosive amorphous poly-x-olefines
07/02/1998WO1998028351A1 Polymerization of fluoromonomers in carbon dioxide
07/02/1998WO1998028344A1 Method and device for the continuous coagulation of aqueous dispersions of graft rubbers
07/01/1998EP0850959A1 Method for producing methyl methacrylate polymer
07/01/1998EP0850739A1 Process for making syndiotactic polystyrene containing pellets
06/1998
06/30/1998US5772851 Elimination of volatile residues from polyacrylate melts
06/30/1998CA2194210A1 Process for making stabilised non-coloured rubber
06/25/1998DE19654169A1 Verfahren zur kontinuierlichen Koagulation von wäßrigen Pfropfkautschukdispersionen und Vorrichtung dafür Process for the continuous coagulation of aqueous graft rubber and apparatus therefor
06/23/1998US5769959 Process for removing insoluable N-vinyl amide polymer from equipment
06/18/1998WO1998025974A1 Improved packaging composition
06/18/1998CA2274641A1 Improved packaging composition
06/17/1998EP0569508B1 Method for inhibiting popcorn polymer formation by heat
06/16/1998US5767334 Distillation of product while separating vaporized boron trifluoride cocatalyst complex; simultaneously separating vaporized unreacted monomer from bottom product
06/16/1998US5767231 Subjecting emulsion polymerizate to post-catalysis, heating, spray drying
06/16/1998US5767207 Preparing polymer with diketone polymerization terminating agent which leaves a lithium salt that can be removed by centrifuging or filtration
06/16/1998CA2131298C Polymerization process
06/09/1998CA2029878C Preparation process of syndiotactic polypropylene
06/03/1998EP0520007B1 Process for purifying brominated polystyrene
06/02/1998US5760172 Discoloration inhibition
05/1998
05/28/1998WO1998022526A1 Method for drying water-containing styrol polymerizates
05/26/1998US5756791 Process for the adsorption of chelated organometallic compounds and alumina beads including a chelated organometallic compound
05/26/1998US5756659 Method of improving the oxidative thermal stability of ethylene polymers
05/26/1998US5756658 Process for preparing styrenic resin
05/26/1998US5756657 Method of cleaning plastics using super and subcritical media
05/26/1998US5756574 Process for preparing an aqueous polymer dispersion
05/20/1998EP0842953A2 Preformed superabsorbant having a high twelling capacity
05/20/1998EP0784635B1 Process for preparing an aqueous polymer dispersion
05/20/1998DE19647599A1 Verfahren zum Trocknen von wasserhaltigen Styrolpolymerisaten A method for drying of water-containing styrene polymers
05/20/1998CN1182443A Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes
05/20/1998CN1182438A Synthetsis of terminally unsaturated oligomers
05/20/1998CN1038420C Process for agglomerating latex and its application to modification of thermoplastic matrix
05/19/1998US5753746 Formaldehyde-free aqueous synthetic resin dispersions
05/19/1998US5753169 Method of after-treatment of modified polyolefins
05/14/1998WO1998020051A1 Short-cycle removal of impurities from polymers
05/14/1998DE19646848A1 Continuous manufacture of elastic polypropylene@ by polymerisation of propylene in liquid propylene
05/13/1998EP0840754A1 Redispersable cross-linkable dispersion powders
05/12/1998US5750772 Decolorization of hydroxy-containing methacrylate homopolymers and copolymers
05/12/1998US5750032 Removal of lithium from polymer cements
05/07/1998WO1998018829A1 Adhesives with low level of residual monomers and process for manufacturing same
05/07/1998WO1998018535A2 Method of extracting extractive component from a fluid
05/06/1998EP0839837A1 Process for the continuous production of elastic polypropylene
05/06/1998EP0839190A1 Processes for the production of amidase
05/06/1998CN1180714A Process for deactivating catalyst contained in oxymethylene copolymer and process for producing stabilized oxymethylene copolymer
04/1998
04/30/1998DE19644840A1 Multi=shaft screw processing machine for viscous materials, especially thermoplastic melts
04/29/1998EP0838318A2 Methods for removing contaminants from polymers
04/28/1998US5744555 Process for the synthesis of elastomeric polypropylene
04/28/1998US5744547 Processes for producing vinyl acetate polymer and saponified product of vinyl acetate polymer and resin composition
04/28/1998US5744420 Alumina adsorbants in the form of coagulated droplets, extrudates or crushed particles for removal of coordination catalyts
04/28/1998CA2136876C Flash gas sampling for polymerization reactions
04/25/1998CA2219217A1 Methods for removing contaminants from polymers
04/23/1998DE19642658A1 Production of expandable polystyrene beads with low water content
04/22/1998EP0836632A1 Thermoplastic molding compounds and a method of reducing the formation of residual monomers in these molding compounds
04/22/1998CN1179434A Apparatus for recovering unreacted monomers in vinyl chloride polymerization apparatus and recovery process
04/21/1998US5741350 Recovery of hydrocarbons from polyalkene product purge gas
04/15/1998EP0835268A1 Low viscosity, high concentration drag reducing agent and method therefor
04/15/1998CN1038036C Preparation of ultrapure N-vinylpyrrolidone polymer
04/14/1998US5739267 Process for isolation of isobutylene polymer
04/14/1998US5739239 Thermally polymerized dicyclopentadiene/vinyl aromatic resins
04/09/1998WO1998014483A1 Anionic water-soluble polymer precipitation in salt solution
04/09/1998CA2268075A1 Anionic water-soluble polymer precipitation in salt solution
04/08/1998EP0625994B1 Purification of vinyl lactam polymers
04/02/1998WO1998013548A1 Para-fully aromatic polyamide pulp, its preparing process and its preparing equipment
03/1998
03/31/1998US5733953 Slurries containing olefin polymer particles with controlled amounts of polymer solvent(s) and nonsolvent(s), as aid in pumping hydrocarbons or crude oil through pipelines
03/26/1998WO1998012235A1 Hydroformylation process
03/24/1998US5731368 Aoueous vinyl polymer dispersions
03/24/1998US5731362 High melt strength, propylene polymer, process for making it, and use thereof
03/18/1998EP0829510A1 Process for stock stabilisation of poly-epsilon-captolactones
03/18/1998EP0829491A2 Method of terminating gas phase polymerization of olefin, method of initiating the polymerization and apparatus therefor
03/18/1998EP0828763A1 Polymer and surfactant mixtures, process for their preparation and their use
03/18/1998EP0647243B1 Process for preparing an ethylenic copolymer
03/18/1998CN1176257A Metnod of terminating gas phase polymerization of olefin, method of initiating polymerization and apparatus therefor
03/12/1998WO1998009998A1 Polyacrylamide polymerisation
03/12/1998CA2263463A1 Polyacrylamide polymerisation
03/12/1998CA2215269A1 Method of terminating gas phase polymerization of olefin, method of initiating the polymerization and apparatus therefor
03/11/1998EP0827975A2 Cycloolefin-based polymer and process for producing the same
03/10/1998US5726263 Molecular weight truncation and color control in macromonomers
03/10/1998US5726224 Polymer blend having specified solubility
03/09/1998WO1998038225A1 Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same
03/04/1998EP0749343B1 Polymer devolatilizer incorporating improved flat plate heat exchanger design
03/04/1998EP0738288B1 Supercritical fluid extraction involving hydrofluoroalkanes
02/1998
02/24/1998US5721310 Low VOC emulsion
02/19/1998WO1998002467A3 Polymer recovery
02/18/1998EP0823917A1 Polyvinyl alcohol purification process
02/18/1998CN1173883A Amorphous copolymers of tetrafluoethylene and hyxafluoropropylene
02/18/1998CN1173510A Reduction of microfoam in spray applied thermoplastic coatings
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