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Class Information
Number: 526/66
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymerizing in two or more physically distinct zones > Adding material to polymerization zone in an incremental or sequential manner
Description: Subject matter wherein material (e.g., monomer, catalyst, etc.) is added to a zone containing polymerizable material therein, said polymerizable material being in a state undergoing active polymerization and wherein said material is added in a sequential or incremental manner.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615596 |
Multiple component feed methods and systems |
Nov. 10, 2009 |
| 7585923 |
Polymerization monitoring and method of selecting leading indicators |
Sep. 8, 2009 |
| 7504141 |
Shrink film |
Mar. 17, 2009 |
| 7265190 |
Process and apparatus for production of water-absorbent resin |
Sep. 4, 2007 |
| 7211634 |
Process for the preparation of polyesters containing 1,4-cyclohexanedimethanol |
May. 1, 2007 |
| 7204962 |
Production apparatus for polybutylene terephthalate |
Apr. 17, 2007 |
| 7135544 |
Living olefin polymerization processes |
Nov. 14, 2006 |
| 7132484 |
Continuous process for producing poly (trimethylene terephthalate) |
Nov. 7, 2006 |
| 7034091 |
Combinatorial synthesis and screening of non-biological polymers |
Apr. 25, 2006 |
| 6998463 |
Polyester resin and process for its production |
Feb. 14, 2006 |
| 6995232 |
Synthesis of polyol medium fatty acid polyesters |
Feb. 7, 2006 |
| 6995216 |
Process for manufacturing single-site polyolefins |
Feb. 7, 2006 |
| 6982236 |
Process to polymerize olefins |
Jan. 3, 2006 |
| 6979752 |
Continuous process for converting polytetramethylene ether diester to polytetramethylene ether glycol |
Dec. 27, 2005 |
| 6969746 |
Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates |
Nov. 29, 2005 |
| 6914104 |
Process for polymerization of .alpha.-olefin |
Jul. 5, 2005 |
| 6887953 |
Esterification process |
May. 3, 2005 |
| 6875826 |
High melt strength polypropylene |
Apr. 5, 2005 |
| 6800718 |
Process for producing polytrimethylene terephthalate (PTT) |
Oct. 5, 2004 |
| 6762253 |
Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates |
Jul. 13, 2004 |
| 6762254 |
Ethylene(meth)acrylate copolymers with low residual content in comonomers |
Jul. 13, 2004 |
| 6670443 |
Method for the production of olefin/carbon monoxide copolymers |
Dec. 30, 2003 |
| 6632907 |
Process for producing methacrylic polymer |
Oct. 14, 2003 |
| 6610797 |
Method for producing ethylene copolymers in segmented tubular reactors and utilizing copolymers as a flow improver |
Aug. 26, 2003 |
| 6610806 |
Living olefin polymerization processes |
Aug. 26, 2003 |
| 6592913 |
Crosslinked branched polyesters |
Jul. 15, 2003 |
| 6590069 |
Methods of post-polymerization extruder injection in condensation polymer production |
Jul. 8, 2003 |
| 6573359 |
Methods of post-polymerization injection in condensation polymer production |
Jun. 3, 2003 |
| 6573343 |
Multistep process for preparing polyolefins having high melt strength |
Jun. 3, 2003 |
| 6566486 |
Method of producing branched polyamides |
May. 20, 2003 |
| 6534094 |
Manufacturing process of microcapsules for sustained release of water soluble peptides |
Mar. 18, 2003 |
| 6509424 |
Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates |
Jan. 21, 2003 |
| 6469129 |
Process for crosslinked branched polyesters |
Oct. 22, 2002 |
| 6458896 |
Superabsorbent powders of high absorption and high capillary suction |
Oct. 1, 2002 |
| 6395870 |
Process for preparing biodegradable polymers having repeating succinyl units |
May. 28, 2002 |
| 6391984 |
Polymerization process |
May. 21, 2002 |
| 6384153 |
Process optimization of peroxide injection during polyethylene production |
May. 7, 2002 |
| 6369158 |
Dibenzyltrithiocarbonate molecular weight regulator for emulsion polymerization |
Apr. 9, 2002 |
| 6362305 |
Method for producing formaldehyde from methanol |
Mar. 26, 2002 |
| 6335411 |
Ethylene polymer and processes for obtaining it |
Jan. 1, 2002 |
| 6329477 |
Method for increasing diene conversion in EPDM type polymerizations |
Dec. 11, 2001 |
| 6326442 |
Multistage method for manufacturing polyolefins |
Dec. 4, 2001 |
| 6316555 |
Living olefin polymerization processes |
Nov. 13, 2001 |
| 6300430 |
Method for copolymerizing ethylene with vinyl carboxylates |
Oct. 9, 2001 |
| 6291602 |
Ethylene polymer and processes for obtaining it |
Sep. 18, 2001 |
| 6245879 |
Purification of 1,3-propanediol in carbonyl-containing stream |
Jun. 12, 2001 |
| 6225420 |
Procatalyst and process for the preparation of a multimodal ethylene polymer |
May. 1, 2001 |
| 6174970 |
Method of reprocessing residues containing dihydroxy compounds |
Jan. 16, 2001 |
| 6130262 |
Method of producing polyester and charging apparatus therefor |
Oct. 10, 2000 |
| 6103859 |
Late addition of supplemental ethylene glycol in the preparation of copolyesters |
Aug. 15, 2000 |
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