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Class Information
Number: 526/62
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymerizing in reactor of specified material, or in reactor in which surface contacting polymerizing material has been treated
Description: Subject matter under Class 520, ... wherein the polymerization reaction takes place in (1) a reactor of specified material; or (2) a reactor part is of a specified material; or (3)wherein the reactor or part of the reactor has been treated in some manner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7601795 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
Oct. 13, 2009 |
| 7557170 |
Method for reducing depositions in polymerization vessels |
Jul. 7, 2009 |
| 7531618 |
Polyester process using a pipe reactor |
May. 12, 2009 |
| 7528192 |
Crosslinked polyvinyl acetals |
May. 5, 2009 |
| 7511096 |
Crosslinked polyvinyl acetals |
Mar. 31, 2009 |
| 7473743 |
Surface finish of reactor |
Jan. 6, 2009 |
| 7459519 |
Method for manufacturing electrically conductive macromolecules and solid state electrolytic capacitor using electrically conductive macromolecules |
Dec. 2, 2008 |
| 7214760 |
Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
May. 8, 2007 |
| 7022780 |
Device for the continuous process for the production of controlled architecture materials |
Apr. 4, 2006 |
| 7015290 |
Method of preparing a polymer under predetermined temperature conditions, and apparatus therefor |
Mar. 21, 2006 |
| 6982236 |
Process to polymerize olefins |
Jan. 3, 2006 |
| 6969490 |
Device for the continuous process for the production of controlled architecture materials |
Nov. 29, 2005 |
| 6921797 |
Method of reducing metal content in fluorine-containing elastomer |
Jul. 26, 2005 |
| 6913826 |
Biodegradable polyester polymer and method for preparing the same using compressed gas |
Jul. 5, 2005 |
| 6906149 |
Polymer scale deposition preventive agent |
Jun. 14, 2005 |
| 6906150 |
Heat exchanger polymerization reactors for manufacturing drag reducing agents |
Jun. 14, 2005 |
| 6894125 |
Scale deposit inhibitor, process for its production, polymerizer whose inside wall is covered with the inhibitor, and process for production of vinylic polymers by the use of the polymerizer |
May. 17, 2005 |
| 6887955 |
Method for high pressure polymerization of ethylene |
May. 3, 2005 |
| 6852827 |
Polyester production process and reactor apparatus |
Feb. 8, 2005 |
| 6831138 |
Polymer-containing organo-metal catalysts |
Dec. 14, 2004 |
| 6780809 |
Catalyst for the (co)polymerization of ethylene and a method for the preparation thereof |
Aug. 24, 2004 |
| 6716934 |
Method for producing ethylene-vinyl acetate copolymer, saponified product of copolymer prepared by the method, and molded product containing the same |
Apr. 6, 2004 |
| 6706854 |
Process for preparing reabsorbable polyesters by mass polymerization |
Mar. 16, 2004 |
| 6706846 |
Method for end-capping polycarbonate resins and composition for use in same |
Mar. 16, 2004 |
| 6703454 |
Adsorber system to replace water column in a polyester process |
Mar. 9, 2004 |
| 6613868 |
Process for producing polycarbonates |
Sep. 2, 2003 |
| 6506854 |
Inhibiting scale in vinyl monomer polymerization |
Jan. 14, 2003 |
| 6376625 |
Process for purifying polyethers |
Apr. 23, 2002 |
| 6362291 |
Process for producing a polymer by polymerization of a monomer having an ethylenic double bond |
Mar. 26, 2002 |
| 6335403 |
Process for producing a polymer by polymerization of a monomer having an ethylenic double bond |
Jan. 1, 2002 |
| 6335402 |
Solid reactor with an antistatic coating for carrying out reactions in a gaseous phase |
Jan. 1, 2002 |
| 6323276 |
Methods and apparatus for the production of amorphous polymer suspensions |
Nov. 27, 2001 |
| 6320001 |
Process for producing a polymer by polymerization of a monomer having an ethylenic double bond |
Nov. 20, 2001 |
| 6303712 |
Process for producing vinyl chloride polymer |
Oct. 16, 2001 |
| 6300429 |
Method of modifying near-wall temperature in a gas phase polymerization reactor |
Oct. 9, 2001 |
| 6300427 |
Inhibiting scale in vinyl monomer polymerization |
Oct. 9, 2001 |
| 6291600 |
Method of preventing scale adhesion to the surfaces of a polymerization tank |
Sep. 18, 2001 |
| 6288177 |
Process for producing a vinyl chloride polymer in the presence of a chelating agent |
Sep. 11, 2001 |
| 6274690 |
Preparation of vinyl chloride polymer |
Aug. 14, 2001 |
| 6271320 |
Method for the production of a polymer dispersion by radical aqueous emulsion polymerization with a continuously produced aqueous monomer emulsion |
Aug. 7, 2001 |
| 6268441 |
Method for polymerizing vinyl monomers |
Jul. 31, 2001 |
| 6252015 |
Process for the production of polymer |
Jun. 26, 2001 |
| 6228934 |
Methods and apparatus for the production of amorphous polymer suspensions |
May. 8, 2001 |
| 6209552 |
Method of preventing or reducing formation of polymeric deposits in vessels during emptying |
Apr. 3, 2001 |
| 6180728 |
Apparatus for the production of polyadducts of alkylene oxides with a combined liquid-in-gas and gas-in-liquid dispersion reactor |
Jan. 30, 2001 |
| 6174986 |
Polymerization of vinyl chloride |
Jan. 16, 2001 |
| 6172183 |
Process and apparatus for the cleaning of crude tall oil soap |
Jan. 9, 2001 |
| 6166107 |
Method for producing an optical rod-shaped graded-index polymer preform, preform obtained in accordance with this method and optical lens and optical fibre obtained by using same |
Dec. 26, 2000 |
| 6156853 |
Deposit suppressant composition for a polmerization reactor and a method of polymerizing vinyl monomers with use of said deposit suppressant composition |
Dec. 5, 2000 |
| 6121390 |
Process of producing vinyl chloride polymer by using condensation product of dimer of 2,3-dihydroxynaphthalene and formaldehyde |
Sep. 19, 2000 |
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