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Class Information
Number: 528/501
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Treating polymer containing material or treating a solid polymer or a resinifiable intermediate condensation product > With distilling or pressured reduction step to remove material, e.g., flashing, autorefrigeration, etc.
Description: Processes wherein a polymer or polymer-containing material is exposed to a pressure decrease so as to effect a separation therein, or wherein a polymer or polymer-containing material is subjected to a distillation operation so as to effect a separation therein.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7595367 |
Poly(arylene ether) preparation method |
Sep. 29, 2009 |
| 7582723 |
Process and apparatus for the polymerization of ethylene |
Sep. 1, 2009 |
| 7582724 |
Recovering ethylene and vinyl acetate from the residual gas stream of vinyl ester-ethylene copolymer preparation |
Sep. 1, 2009 |
| 7575724 |
Continuous slurry polymerization apparatus |
Aug. 18, 2009 |
| 7528222 |
Olefin polymerization process |
May. 5, 2009 |
| 7517946 |
Production process of poly(arylene sulfide) |
Apr. 14, 2009 |
| 7517947 |
Polymer transfer within a polymerization system |
Apr. 14, 2009 |
| 7514527 |
Method and apparatus for crystallizing polymer particles |
Apr. 7, 2009 |
| 7491776 |
Polymerization process |
Feb. 17, 2009 |
| 7488790 |
Processing of bimodal polymers |
Feb. 10, 2009 |
| 7485696 |
Oxytetramethylene glycol copolymer and method for producing the same |
Feb. 3, 2009 |
| 7459519 |
Method for manufacturing electrically conductive macromolecules and solid state electrolytic capacitor using electrically conductive macromolecules |
Dec. 2, 2008 |
| 7449530 |
Polymerization process |
Nov. 11, 2008 |
| 7420027 |
Method for producing a borohydride |
Sep. 2, 2008 |
| 7351779 |
Polymerization process and reactor system |
Apr. 1, 2008 |
| 7345132 |
Method of producing novolak resin |
Mar. 18, 2008 |
| 7342079 |
Polymerization process and reactor system |
Mar. 11, 2008 |
| 7335721 |
Polytetrafluoroethylene treatment |
Feb. 26, 2008 |
| 7332058 |
Heat exchanger and process for devolatilizing polymers using same |
Feb. 19, 2008 |
| 7304123 |
Processes for shaping macrocyclic oligoesters |
Dec. 4, 2007 |
| 7296576 |
Polymers for enhanced solubility of nanomaterials, compositions and methods therefor |
Nov. 20, 2007 |
| 7282554 |
Low molecular weight polyphenylene ether |
Oct. 16, 2007 |
| 7268206 |
Process and apparatus for degassing a polymer |
Sep. 11, 2007 |
| 7250486 |
Method and apparatus for crystallizing polymer particles |
Jul. 31, 2007 |
| 7241859 |
Process for treating a polyolefin discharged from an olefin polymerization reactor |
Jul. 10, 2007 |
| 7238773 |
Countercurrent stripping pipe |
Jul. 3, 2007 |
| 7226989 |
Method of separating a polymer from a solvent |
Jun. 5, 2007 |
| 7223800 |
Method for producing regenerated fluororesin and regenerated fluororesin article |
May. 29, 2007 |
| 7217783 |
Oxytetramethylene glycol copolymer and process for producing the same |
May. 15, 2007 |
| 7183372 |
Preparation of ketone-formaldehyde resins |
Feb. 27, 2007 |
| 7157518 |
Method for preparing an organo-silicon sol and materials obtained from such a sol |
Jan. 2, 2007 |
| 7153929 |
Copolymers, devoid of rubber, with low residual monomer content and a method and device for producing the same |
Dec. 26, 2006 |
| 7144981 |
Process for separating volatile components from polymers |
Dec. 5, 2006 |
| 7132484 |
Continuous process for producing poly (trimethylene terephthalate) |
Nov. 7, 2006 |
| 7124768 |
Method for transferring aqueous polymer dispersions from one container to another container |
Oct. 24, 2006 |
| 7122619 |
Method of separating a polymer from a solvent |
Oct. 17, 2006 |
| 7109290 |
Polymer transfer within a polymerization system |
Sep. 19, 2006 |
| 7087139 |
Apparatus and method for removal of volatiles from a mass processable polymer |
Aug. 8, 2006 |
| 7087685 |
Process and system for removing heavies from diluent recycled to a slurry polymerization reactor |
Aug. 8, 2006 |
| 7071291 |
Isolation, formulation and shaping of macrocyclic oligoesters |
Jul. 4, 2006 |
| 7067608 |
Process for preparing branched polyarylene ethers |
Jun. 27, 2006 |
| 7067616 |
Polytetrafluoroethylene treatment |
Jun. 27, 2006 |
| 7060788 |
Process for stripping monomers and other volatile constituents from polymer melts |
Jun. 13, 2006 |
| 7049393 |
Techniques for the preparation of highly fluorinated polyethers |
May. 23, 2006 |
| 7041780 |
Methods of preparing a polymeric material composite |
May. 9, 2006 |
| 7041772 |
Method for producing benzoxazine resin |
May. 9, 2006 |
| 7038008 |
Method for the processing of a liquid reaction discharge of the cationic polymerization of isobutene |
May. 2, 2006 |
| 7026433 |
Continuous bioreactor process for the preparation of polyester cyclic oligomers |
Apr. 11, 2006 |
| 7001978 |
Unsaturated ester substituted polymers with reduced halogen content |
Feb. 21, 2006 |
| 6998465 |
Process for producing boric ester compound, electrolyte for electrochemical device, and secondary battery |
Feb. 14, 2006 |
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