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Class Information
Number: 568/679
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Acyclic > Polyoxy > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Polyether
Description: Compounds which contain two or more ether groups.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576244 |
Compounds and compositions for use as foaming or frothing agents in ore and coal flotation |
Aug. 18, 2009 |
| 7528270 |
Process for the production of an olefin oxide, a 1, 2-diol, a 1,2-diol ether, or an alkanolamine |
May. 5, 2009 |
| 7504543 |
Polyether alcohols and method for the production of polyether alcohols for polyurethane synthesis |
Mar. 17, 2009 |
| 7482495 |
Process for making alkylene glycol ether compositions useful for metal recovery |
Jan. 27, 2009 |
| 7479565 |
Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine |
Jan. 20, 2009 |
| 7446233 |
Surface modifier |
Nov. 4, 2008 |
| 7423186 |
Process for preparing alkoxy-pure alkaline earth alkoxides |
Sep. 9, 2008 |
| 7414159 |
Separation of liquid mixtures in a film evaporator |
Aug. 19, 2008 |
| 7405330 |
Preparation of polytrimethylene ether glycol and copolymers thereof |
Jul. 29, 2008 |
| 7396963 |
Method for preparing metal cyanide catalyst complexes using partially miscible complexing agents |
Jul. 8, 2008 |
| 7388114 |
Perfluoropolyether derivative |
Jun. 17, 2008 |
| 7378559 |
Continuous process and system of producing polyether polyols |
May. 27, 2008 |
| 7335801 |
Polyglycerols and production thereof |
Feb. 26, 2008 |
| 7323605 |
Double metal cyanide-catalyzed, low unsaturation polyethers from boron-containing starters |
Jan. 29, 2008 |
| 7312363 |
Method for activating double metallocyanide-compounds |
Dec. 25, 2007 |
| 7312364 |
Equilibrium reaction and gas/liquid reaction in a loop reactor |
Dec. 25, 2007 |
| 7241926 |
Method for producing polyether alcohols |
Jul. 10, 2007 |
| 7230140 |
Perfluoropolyether derivative |
Jun. 12, 2007 |
| 7223832 |
Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto |
May. 29, 2007 |
| 7202385 |
Process for the alkoxylation of monools in the presence of metallo-organic framework materials |
Apr. 10, 2007 |
| 7199193 |
Polyethylene glycol compounds and process of making |
Apr. 3, 2007 |
| 7196030 |
Method for producing alkoxylated products at optimized reaction pressures |
Mar. 27, 2007 |
| 7186867 |
Process for preparing reactive polyether polyols having an ethylene oxide end block |
Mar. 6, 2007 |
| 7169956 |
Double metal cyanide complex catalyst, its production process and its utilization |
Jan. 30, 2007 |
| 7164046 |
Manufacture of polytrimethylene ether glycol |
Jan. 16, 2007 |
| 7161045 |
Process for manufacture of polytrimethylene ether glycol |
Jan. 9, 2007 |
| 7157607 |
Manufacture of polytrimethylene ether glycol |
Jan. 2, 2007 |
| 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 |
| 7005552 |
Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates |
Feb. 28, 2006 |
| 6927310 |
Tripropylene glycol production |
Aug. 9, 2005 |
| 6919486 |
Polyetherols produced using aluminium phosphonate catalysts |
Jul. 19, 2005 |
| 6821308 |
Polyoxyalkylene monoethers with reduced water affinity |
Nov. 23, 2004 |
| 6806348 |
Process for removing and regenerating a double metal cyanide (DMC) catalyst from a polymer polyol |
Oct. 19, 2004 |
| 6765116 |
Process of preparing a fluid rare earth alkoxylation catalyst |
Jul. 20, 2004 |
| 6756465 |
Moisture curable compounds and compositions |
Jun. 29, 2004 |
| 6730815 |
Method of producing glycol ethers |
May. 4, 2004 |
| 6713599 |
Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts |
Mar. 30, 2004 |
| 6620975 |
Process for making butyl ethers of glycols |
Sep. 16, 2003 |
| 6620977 |
Process for producing butanetriol derivative |
Sep. 16, 2003 |
| 6608230 |
Single-stage method for producing .alpha.-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides |
Aug. 19, 2003 |
| 6593376 |
Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base |
Jul. 15, 2003 |
| 6573411 |
Process for the preparation of fluoropolyoxyalkylenes having one end group -CH2OH and the other end group containing chlorine |
Jun. 3, 2003 |
| 6563007 |
Preparation of polyetherols |
May. 13, 2003 |
| 6548714 |
Method for producing polyetherols by ring-opening polymerisation of alkylene oxides |
Apr. 15, 2003 |
| 6492565 |
Process for the preparation of polyether polyols |
Dec. 10, 2002 |
| 6417408 |
Production process for (poly)alkylene glycol monoalkyl ether |
Jul. 9, 2002 |
| 6403541 |
Oil filter clogging preventing agent and oil filter clogging preventing method, and engine oil compositions comprising said oil filter clogging preventing agent |
Jun. 11, 2002 |
| 6380439 |
Single-stage method for producing .alpha.-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides |
Apr. 30, 2002 |
| 6365541 |
Alkoxylation catalyst |
Apr. 2, 2002 |
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