| Patents for C08F 6 - Post-polymerisation treatments (8,582) |
|---|
| 02/19/2009 | WO2009021930A1 Continuous polymerization process |
| 02/18/2009 | EP1268026B1 Polymer solution preheater and method for preheating such solutions |
| 02/18/2009 | CN100462374C Method for desolvation of polymer solution |
| 02/17/2009 | US7491792 Polymer powder with block polyetheramide, use in a shaping process, and moldings produced from this polymer powder |
| 02/17/2009 | US7491791 Emulsion polymerization of tetrafluoroethylene in reactor latex form under an oxidation resistant environment; irradiating with electron beam radiation or gamma rays; collecting for dispersion; dustless, free-flowing, readily dispersible, non-agglomerating, not sticky, and does not exhibit fibrillation |
| 02/17/2009 | US7491776 polymerizing ethylene and optionally one or more comonomers in the presence of a chromium catalyst system and a hydrofluorocarbon or perfluorocarbon diluent to form a slurry of polymer solids of relatively low densities, with minimal fouling in the reaction system; slurry polymerization; catalysis |
| 02/17/2009 | US7491233 Purified polymers for coatings of implantable medical devices |
| 02/12/2009 | WO2009020187A1 Aqueous dispersion of low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene powder, and method for producing low molecular weight polytetrafluoroethylene |
| 02/11/2009 | EP2021385A1 Polyolefin powder |
| 02/11/2009 | EP2021384A2 Process for reducing fluorosurfactant content of fluoropolymer dispersions using anionic surfactant-treated anion exchange resin |
| 02/10/2009 | US7488790 Processing of bimodal polymers |
| 02/05/2009 | US20090037027 Method and Apparatus for Monitoring Polyolefin Production |
| 02/05/2009 | US20090036646 Drying process for polymer crosslinked bi-continuous macro-mesoporous aerogels |
| 02/05/2009 | US20090032461 Method for separating polymer systems and pore-free polymer films used in said method |
| 02/04/2009 | EP2019804A2 Crystallizing conveyor |
| 02/04/2009 | CN101360763A Method to purify poly (vinyl alcohol) |
| 02/04/2009 | CN101357960A Resource-saving preparation method of isoolefine and conjugated diene copolymer |
| 02/04/2009 | CN101357956A Purification method of polyvinyl alcohol resin |
| 02/03/2009 | US7485696 Copolymerizing tetrahydrofuran and neopentyl glycol in the presence of an aqueous heteropolyacid catalyst to form a copolymer with a number average molecular weight of 800-5000 and a specific molecular weight distribution; azeotropic distillation; low melting point and low glass transition temperature |
| 01/29/2009 | WO2009013217A2 Method for cooling in distillation and polymerisation process by absorption refrigeration |
| 01/29/2009 | US20090030177 Synthesis of photoresist polymer |
| 01/29/2009 | US20090028975 Method and apparatus for making crystalline pet pellets |
| 01/29/2009 | DE102007034726A1 Entfernung von Nebenprodukten aus vernetzbaren Zubereitungen Removing by-products from curable compositions |
| 01/28/2009 | EP2019119A2 Polymer treatment |
| 01/28/2009 | EP2018899A1 Method for cooling in distillation and polymerisation process by absorption refrigeration |
| 01/28/2009 | CN100455612C Method for removing aluminum trichloride and purifying products in C5 petroleum resin production process |
| 01/27/2009 | US7482415 Process for producing fluoroionomer, method for purification and concentration of the ionomer, and method of film formation |
| 01/27/2009 | CA2315753C Finishing design to increase the polymer content in an olefin solution polymerization process |
| 01/22/2009 | US20090023891 deformation; heat treatment; uncrosslinked copolyester of 2,2,4,4-tetraalkyl-1,3-cyclobutanediol and 1,3-propanediol and 1,4-butanediol; heating amorphous polymer above glass transformation temperature |
| 01/22/2009 | DE102008040365A1 Separating ionic liquid, useful as catalyst to prepare homo-/co-polymers, from non-polar liquid mixtures having non-polar solvents, ionic liquids and other ingredients, comprises adsorbing ionic liquid in inorganic oxide carrier materials |
| 01/21/2009 | CN100453587C Recovery and using method of solution and unreaction monomer in process of producting polymer by solution polymerization process |
| 01/21/2009 | CN100453572C High rubber content MBS emulsion after-treatment technology |
| 01/21/2009 | CN100453563C Process for removal of catalyst residues from poly-alpha-olefins |
| 01/21/2009 | CN100453560C Polymer-containing sulfosuccinate dispersions |
| 01/14/2009 | EP2014684A1 Process for the devolatilization of a polymer of an aromatic alkylene |
| 01/14/2009 | CN101346401A Recovering ethylene and vinyl acetate from the residual gas stream of vinyl ester-ethylene copolymer preparation |
| 01/14/2009 | CN101346174A Gas-phase process and apparatus for the polymerization of olefins |
| 01/14/2009 | CN101343139A Starch type bridging agent and method of preparing the same |
| 01/08/2009 | US20090012234 Fluoropolymer coagulation method and composition |
| 01/07/2009 | EP2011807A1 Method for purifying -methylstyrene, and heat-resistant styrene copolymer using the -methylstyrene |
| 01/07/2009 | EP1458768B1 Additive for rendering inert acidic or halogen-containing compounds contained in olefin polymers |
| 01/07/2009 | EP1414870B1 Degassing process |
| 01/07/2009 | CN101337998A Devolatilization technology containing continuous recovering and refining process and equipment thereof |
| 01/07/2009 | CN101337760A Hydrotalcite type bridge-building agent and method for preparing same |
| 01/07/2009 | CN100448894C Process for treating a polyolefin discharged from an olefin polymerization reactor |
| 01/07/2009 | CN100448639C Degasifying pressing out device,device and method for mfg. polymer therewith |
| 01/07/2009 | CN100448526C Synthesis of ion imprinted polymer particles |
| 01/06/2009 | US7473815 Washing crude solutions with water, separation of adsorbent like magnesium silicate from solution, heating and depressurization then separation |
| 01/06/2009 | US7473759 Two-step process including removing contaminants on resin particles with solvent; separating solvent from particles; exposing particles to carbon dioxide in a closed loop system; and separating solvent from solvent laden carbon dioxide; both the carbon dioxide and solvent are reused after separation |
| 01/06/2009 | US7473758 A two step solvent and carbon dioxide based system that produces contaminant-free synthetic resin including a solvent cleaning system for periodically removing the contaminants so that the solvent can be reused and the contaminants can be collected and safely discarded |
| 12/31/2008 | EP2007819A1 Fluoropolymer dispersion purification |
| 12/31/2008 | EP1615715B1 Process for reducing the content of water-soluble salts of aqueous solutions of polymers containing vinylamine groups |
| 12/31/2008 | CN101333264A Method for removing residual hydrogenation catalyst after hydrogenation for nonsaturated polymers |
| 12/31/2008 | CN100447166C Process for producing (meth)acrylic polymer terminated by crosslinkable silyl group |
| 12/31/2008 | CN100446952C Method for preparing granules of copolymer of ethylene - vinyl alcohol |
| 12/30/2008 | US7470768 Polylactones; biodegradable; drug delivery |
| 12/30/2008 | US7470767 Preparation of ultrapure polymeric articles |
| 12/30/2008 | US7470766 Contacting particulate synthetic resin material containing at least one contaminant with an alkyl lactate solvent in a vessel, at least a portion of at least one contaminant being removed from particulate synthetic resin material and becoming dissolved in solvent |
| 12/30/2008 | CA2401402C Method and installation for extracting a monomer from an aqueous slurry containing a polymer |
| 12/25/2008 | US20080318059 Polydiorganosiloxane polyoxamide copolymers |
| 12/24/2008 | EP2006306A1 Water-absorbing resin partilce agglomerates and process for produciton thereof |
| 12/24/2008 | EP2004699A1 Method for coagulating aqueous polymer dispersions |
| 12/24/2008 | CN101331155A Process for preparing stable photoresist compositions |
| 12/23/2008 | US7468405 Increase in the melting point and the enthalpy of melting of polyamides by a water treatment |
| 12/23/2008 | US7468403 Method for purification of aqueous fluoropolymer emulsions, purified emulsions, and fluorine-containing finished articles |
| 12/18/2008 | WO2008151965A1 Process for devolatilization of a polymer of an aromatic alkylene |
| 12/17/2008 | EP2001914A1 Copper removal from atrp products by means of addition of sulfur compounds |
| 12/17/2008 | EP1833855B1 Method for controlling the dimensions and the morphology of nanostructural polymeric materials, materials thereby obtained and uses thereof |
| 12/17/2008 | EP1817351A4 High performance p(vdf-trfe) copolymer for pyroelectric conversion |
| 12/17/2008 | EP1799723B1 Method for the dosing of additives into polymer melts |
| 12/17/2008 | EP1799722B1 Removing fluorosurfactant from aqueous fluoropolymer dispersion using sorbent pouches |
| 12/17/2008 | EP1725591B1 Method for preparing cyclic olefin polymer having high bulk density and cyclic olefin polymer prepared thereby |
| 12/17/2008 | CN101326200A Process for removing residual volatile monomers from a polymer in powder form |
| 12/17/2008 | CN101323657A Preparing methods ofbutyl cyanide rubber emulsion and butyl cyanide rubber |
| 12/17/2008 | CN100443531C Method for obtaining a polymer in a solution |
| 12/17/2008 | CN100443509C Chlorinated polyethylene drying process |
| 12/16/2008 | US7465782 Method for making polybenzobisoxazole containing fiber |
| 12/16/2008 | US7465781 Method for making polybenzobisoxazole containing polymer |
| 12/11/2008 | WO2008150643A1 Method of separating a polymer from a solvent |
| 12/11/2008 | WO2008149033A2 Process of modifying dithiocarbonyl polymers by bringing into contact with amine functional groups borne by a solid substrate |
| 12/11/2008 | US20080306233 Process for Removing Residual Volatile Monomers from a Polymer in Powder form |
| 12/11/2008 | DE102007026166A1 Thermoplastic shaping of polyvinyl alcohol for manufacturing granulates, foil, fibers or coating for use in pharmaceutical or cosmetic applications, involves accomplishing shaping in absence of extrusion additive |
| 12/10/2008 | CN101319023A Poly (potassium and sodium styrene sulfonate), its manufacture and its uses |
| 12/10/2008 | CN100441599C Continnous drying method containing N or amino, ammonium or spirobicyclic ammonium-base group polymer |
| 12/09/2008 | US7462685 Method for removing contaminants from plastic resin |
| 12/09/2008 | US7462684 Heating polyester and polyamide blend; forming a shaped article in separate layers; recovering scrap; grinding, drying regrind; mixing; high clarity; se articles can exhibit improved excellent barrier properties and good melt processability while retaining excellent mechanical properties |
| 12/03/2008 | EP1568720B1 Tetrafluoroethylene copolymer, process for producing the same and paste extrudate |
| 12/03/2008 | CN101316867A Devolatilizer nozzle |
| 12/03/2008 | CN101314086A Polymer solution steam stripping flocculation separation method and apparatus |
| 12/02/2008 | US7459488 Composition and process for recovery of spilled hydrocarbons from aqueous environments |
| 11/27/2008 | WO2008144070A1 Process for coagulating fluoroelastomers |
| 11/27/2008 | WO2008142042A1 Nitrile rubbers |
| 11/27/2008 | WO2008142039A1 Nitrile rubbers |
| 11/27/2008 | DE102007024011A1 Nitrilkautschuke Nitrile |
| 11/27/2008 | CA2687565A1 Nitrile rubbers |
| 11/27/2008 | CA2687487A1 Nitrile rubbers |
| 11/26/2008 | CN100436489C Method for partially and selectively hydrogenating polymers made of conjugated dienes |
| 11/26/2008 | CN100436488C Anti-fouling agent and method for producing the same and manufacture of polymer using it |
| 11/19/2008 | EP1991403A1 Apparatus and method for degassing polymer powder |
| 11/19/2008 | EP1877477B1 Method for recovering solvents |