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Class Information
Number: 568/623
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Plural oxyalkylene groups bonded directly to each other > Acyclic > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Polyhydroxy containing
Description: Compounds which include two or more hydroxy groups.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553921 |
Polyether polyol composition and use thereof |
Jun. 30, 2009 |
| 7226988 |
Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts |
Jun. 5, 2007 |
| 7132574 |
Preparation of perfluoropolyethers having at least one --CH.sub.2OH or --CH(CF.sub.3)OH end group |
Nov. 7, 2006 |
| 7022884 |
Preparation of polyetherpolyols in the presence of a multimetal cyanide complex catalyst |
Apr. 4, 2006 |
| 7015364 |
Process for preparing polyether polyols |
Mar. 21, 2006 |
| 6919486 |
Polyetherols produced using aluminium phosphonate catalysts |
Jul. 19, 2005 |
| 6878661 |
Bimetallic-cyanide catalysts used for preparing polyether polyols |
Apr. 12, 2005 |
| 6858761 |
Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process |
Feb. 22, 2005 |
| 6812367 |
Polyethylene glycol and process for producing the same |
Nov. 2, 2004 |
| 6806393 |
Multimetal cyanide compounds, their preparation and their use |
Oct. 19, 2004 |
| RE38558 |
Polyoxypropylene/polyoxyethylene copolymers with improved biological activity |
Jul. 20, 2004 |
| 6740686 |
Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained |
May. 25, 2004 |
| 6717019 |
Glycidyl ether-capped acetylenic diol ethoxylate surfactants |
Apr. 6, 2004 |
| 6664428 |
Method of producing polyetherpolyols |
Dec. 16, 2003 |
| 6646145 |
Processes for preparing alkoxylated nonionic surfactants using hydrotalcite catalysts |
Nov. 11, 2003 |
| 6620976 |
Polyethylene glycol and process for producing the same |
Sep. 16, 2003 |
| 6608231 |
Double-metal cyanide catalysts for producing polyether polyols |
Aug. 19, 2003 |
| 6586564 |
Double-metal cyanide catalysts for preparing polyether polyols |
Jul. 1, 2003 |
| 6540942 |
Nonaqueous compositions and additives therefor |
Apr. 1, 2003 |
| 6531566 |
Polyoxyalkylenepolyols and process for producing ring-opened polymer |
Mar. 11, 2003 |
| 6515036 |
Method of decomposing a polyurethane |
Feb. 4, 2003 |
| 6486354 |
Solid phase supports |
Nov. 26, 2002 |
| 6465605 |
Branched polymeric surfactant reaction products, methods for their preparation, and uses therefor |
Oct. 15, 2002 |
| 6403842 |
Processes for producing poly(alkylene ether) glycol |
Jun. 11, 2002 |
| 6359101 |
Preparing polyether polyols with DMC catalysts |
Mar. 19, 2002 |
| 6350920 |
Method for preparing polyether polyols |
Feb. 26, 2002 |
| 6323375 |
Crystalline double metal cyanide catalysts for producing polyether polyols |
Nov. 27, 2001 |
| 6313060 |
Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof |
Nov. 6, 2001 |
| 6303833 |
Multi-metal cyanide complexes as catalysts and their use in preparing polyetherpolyols |
Oct. 16, 2001 |
| 6255537 |
Process for preparing poly(alkylene oxide) |
Jul. 3, 2001 |
| 6248889 |
Process for converting an alcohol to the corresponding fluoride |
Jun. 19, 2001 |
| 6204357 |
Double metal cyanide catalysts for preparing poly-etherpolyols |
Mar. 20, 2001 |
| 6191315 |
Haze free polyether polyol compositions and a method for their preparation |
Feb. 20, 2001 |
| 6028230 |
Epoxide polymerization process |
Feb. 22, 2000 |
| 5965778 |
Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation |
Oct. 12, 1999 |
| 5962749 |
Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols |
Oct. 5, 1999 |
| 5962748 |
Process for preparing low unsaturation polyether polyols |
Oct. 5, 1999 |
| 5942237 |
Pharmaceutical preparation for topical administration of antigens and/or vaccines to mammals via a mucosal membrane |
Aug. 24, 1999 |
| 5939591 |
Apparatus for producing alkylene glycols, alkylene glyocols having higher primary hydroxyl content, method of producing glycols having higher primary hydroxyl content, method of producing acry |
Aug. 17, 1999 |
| 5912342 |
Compounds a containing a solid support |
Jun. 15, 1999 |
| 5877245 |
Cross-linked reaction products of alkoxylated alcohols and alkylene glycols |
Mar. 2, 1999 |
| 5798434 |
Monomer mixture and method for the preparation thereof |
Aug. 25, 1998 |
| 5780644 |
Branced polyoxaalkyl macromolecules |
Jul. 14, 1998 |
| 5739208 |
Isolatable, water soluble, and hydrolytically stable active sulfones of poly(ethylene glycol) and related polymers for modification of surfaces and molecules |
Apr. 14, 1998 |
| 5705667 |
Use of dendrimeric-type macromolecules as catalysts or coadjuvants in phase transfer catalysis reactions |
Jan. 6, 1998 |
| 5698746 |
Process for preparing low unsaturation polyether polyols |
Dec. 16, 1997 |
| 5696298 |
Polyoxypropylene/polyoxyethylene copolymers with improved biological activity |
Dec. 9, 1997 |
| 5672768 |
Low-odor, higher molecular weight polyether polyols, a process for producing them, and their use for the production of polymers, cosmetics and pharmaceutical products synthesized from polyethe |
Sep. 30, 1997 |
| 5672662 |
Poly(ethylene glycol) and related polymers monosubstituted with propionic or butanoic acids and functional derivatives thereof for biotechnical applications |
Sep. 30, 1997 |
| 5641853 |
Polymerization of cyclic ethers using selected metal compound catalysts |
Jun. 24, 1997 |
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