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Class 568/617 - Polytetramethylene glycols


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain two or more oxytetramethylene moieties
No. of patents: 182
Last issue date: 11/08/2011


1          
NumberTitleIssue Date
8053607Method for producing polyether-polyol having narrow molecular weight distribution
A method for producing a polyether-polyol having a narrow molecular weight distribution, which comprises carrying out selective fractional extraction of the low-molecular weight component from a polyether-polyol (A) having an average molecular weight of from 500 to ...
11/08/2011
7795476Compositions for sustained release of volatile materials
Compositions comprising polytetramethylene glycol and a volatile material (e.g. a perfume) are able to sustainedly release said volatile material and are easy to disperse in liquid and cream products. ...
09/14/2010
7528287Preparation of poly(tetramethylene) glycol
This invention relates to a process comprising using ionic liquids for preparing poly(tetramethylene) glycol from tetrahydrofuran. ...
05/05/2009
7402711Preparation of poly(tetramethylene) glycol
This invention relates to a process comprising using ionic liquids for preparing poly(tetramethylene)glycol from tetrahydrofuran. ...
07/22/2008
7342142Hydrogenation of polytrimethylene ether glycol
A process comprising contacting PO3G having color with hydrogen in the presence of a hydrogenation catalyst, wherein the PO3G, after hydrogenation, has a APHA color of less than about 50. ...
03/11/2008
7276570Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one polymer having a plurality of amide linkages and a plurality of anionic moieties attached thereto. These co...
10/02/2007
7276573Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers
The present invention provides a process for preparing mono- or diesters of polytetrahydrofuran or of tetrahydrofuran copolymers by polymerizing tetrahydrofuran in the presence of at least one telogen and/or of a comonomer over an acidic catalyst, wherein the polyme...
10/02/2007
7265195Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one polymer having a plurality of amide linkages and a plurality of cationic moieties attached thereto. These c...
09/04/2007
7256249Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. The compositions comprise at least one regioselective polyisocyanate having an asymmetric structure and comprising at least a first NCO group and a ...
08/14/2007
7253245Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd...
08/07/2007
7253242Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable materials are presently disclosed. The materials have a rebound height percentage of greater than 60% and are formed from compositions comprising at least one resilient polyamine polydiene and/or ...
08/07/2007
7217783Oxytetramethylene glycol copolymer and process for producing the same
An oxytetramethylene glycol copolymer obtained by copolymerizing tetrahydrofuran and neopentyl glycol which has a specific number average molecular weight Mn, a specific molecular weight distribution Mw/Mn, a specific neopentyl glycol copolymerization whole ratio N
05/15/2007
7205337End-capped polymers and compositions containing such compounds
End-capped polymers, methods for making those end-capped polymers, compositions containing those end-capped polymers, and methods for using those compositions are disclosed. One of the disclosed end-capped copolymers has the formula (I):
04/17/2007
7199263Acetic anhydride and acetate ester co-production
A method of co-producing acetic anhydride and an acetate ester includes pyrolizing acetic acid at elevated temperature to produce a first ketene stream, the first ketene stream being a vapor phase stream comprising ketene, acetic acid and water; cooling the first ke...
04/03/2007
7196059Pharmaceutical compositions of insulin drug-oligomer conjugates and methods of treating diseases therewith
Pharmaceutical compositions that include insulin, an insulin drug-oligomer conjugate, a fatty acid component, and a bile salt component or a bile salt component without a fatty acid component are described. The insulin drug is covalently coupled to an oligomeric moi...
03/27/2007
7169889Insulin prodrugs hydrolyzable in vivo to yield peglylated insulin
The present invention relates generally to hydrolyzable drug-oligomer conjugates, pharmaceutical compositions comprising such conjugates, and to methods for making and using such conjugates and pharmaceutical compositions. For example, a conjugate of insulin, PEG, a...
01/30/2007
7157545Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd...
01/02/2007
7157549Polymerization of oxiranes with a lithium-containing initiator
A method is provided for polymerizing oxiranes by employing a lithium-containing polymerization initiator in a liquid reaction medium devoid of polymerization additives. Linear and star polymers can be produced by practicing the subject method. ...
01/02/2007
7138475Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise at least one amine-terminated polyamide and at least one isocyanate-containing prepolymer. These elastomer com...
11/21/2006
7138476Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one fatty compound chosen from fatty polyamines and fatty polyamine telechelics. These elastomer compositions c...
11/21/2006
7138477Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd...
11/21/2006
7115703Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable compositions are presently disclosed. These compositions comprise reaction products of polyacids and polyamines. The polyacid is chosen from polymerized fatty polyacids and polyacid telechelics. T...
10/03/2006
7105623Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise at least one poly(urethane-co-urea) prepolymer and at least one curative. These elastomer compositions can be ...
09/12/2006
7105628Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd...
09/12/2006
7101951Compositions for golf equipment
A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate having a generic structure of: where R1...
09/05/2006
7098274Compositions for golf equipment
A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate copolymer formed from at least one polyol telechelic and at least one carbonate-forming compound;
08/29/2006
7084121Mixtures of calcitonin drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same
A mixture of conjugates in which each conjugate in the mixture comprises a calcitonin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may lower serum calcium levels in a subject by 10, 15 or even 20 percent or more. M...
08/01/2006
7084114Mixtures of insulin drug-oligomer comprising polyalkylene glycol
A mixture of conjugates in which each conjugate in the mixture comprises an insulin drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may exhibit higher in vivo activity than a polydispersed mixture of similar conjugate...
08/01/2006
7071364Branched primary alcohol compositions and derivatives thereof
A detergent composition having cold water solubility and exhibiting high calcium tolerance can be produced from biodegradable branched ether derivative compositions derived from a branched ether primary alcohol represented by the formula:
07/04/2006
7030084Drug-oligomer conjugates with polyethylene glycol components
The present invention relates generally to hydrolyzable drug-oligomer conjugates, pharmaceutical compositions comprising such conjugates, and to methods for making and using such conjugates and pharmaceutical compositions. For example, a conjugate of insulin, PEG, a...
04/18/2006
6989432Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether
A copolymer with recurring constituent units derived by polymerizing tetrahydrofuran, ethylene oxide and at least one additional cyclic ether that can be substituted or unsubstituted that decreases the hydrophilicity imparted to the copolymer by the ethylene oxide.
01/24/2006
6987201Acetic anhydride, method of purifying crude acetic anhydride, and method of producing polyoxytetramethylene glycol using acetic anhydride
The present invention provides acetic anhydride, a method of purifying crude acetic anhydride, and a method of producing polyoxytetramethylene glycol using acetic anhydride. A method of producing polyoxytetramethylene glycol by ring-opening-polymerizing tetra...
01/17/2006
6979752Continuous process for converting polytetramethylene ether diester to polytetramethylene ether glycol
A continuous process for converting by transesterification the diester of polytetramethylene ether (PTMEA) to the corresponding polytetramethylene ether glycol (PTMEG). The process is characterized by the fact that the feed, consisting of PTMEA along with an alkanol...
12/27/2005
6972275Oil-in-oil emulsion lubricants for enhanced lubrication
Novel oil-in-oil emulsions and methods of lubrication using the same are provided. The lubricants are stable emulsions of carrier fluid and high viscosity fluid that display superior properties related to lubricating film thickness and reduced shear strength. ...
12/06/2005
6972317Monohydric polyfluorooxetane polymer and radiation curable coatings containing a monofunctional polyfluorooxetane polymer
Monofunctional polyfluorooxetane oligomers and polymers are prepared by the cationic polymerization of fluorooxetane monomers with a monoalcohol. The fluorooxetane oligomers or polymers can be copolymerized with generally cyclic ethers. Alternatively, the polyfluoro...
12/06/2005
6969780Production of butanediol
The catalytic hydrogenation of HBA and/or HMPA is improved by either or both of (1) increasing the temperature in the hydrogenation zone from about 50 to 70° C. at the inlet to above 80° C. at the outlet and (2) raising the pH of the hydrogenation feed to 4.5–6....
11/29/2005
6909020Branched primary alcohol compositions and derivatives thereof
A detergent composition having cold water solubility and exhibiting high calcium tolerance can be produced from biodegradable branched ether derivative compositions derived from a branched ether primary alcohol represented by the formula:
06/21/2005
6891013Fluorinated polyurethane elastomers prepared from polyether prepolymers formed from mono-substituted fluorinated oxetane monomers and tetrahydrofuran
The present invention provides, inter alia, novel fluorinated polyurethane elastomers (e.g., fluorinated thermoset polyurethane elastomers and fluorinated thermoplastic elastomers) prepared from polyether prepolymers formed from mono-substituted fluorinated oxetane ...
05/10/2005
6858757Process for preparing perfluoropolyoxyalkylenes with -OCF2H, -OCF2CF2H and -OCF(CF3)H end groups
A process for preparing perfluoropolyoxyalkylenes having —OCF2H, —OCF2CF2H and —OCF(CF3)H end groups and a number average molecular weight from 120 to 3,000, by decarboxylation of the corresponding perfluoropolyoxyal...
02/22/2005
6780928Polyoxyalkylene monoalkyl ether, process for producing the same, polymerizable polyoxyalkylene monoalkyl ether derivative, polymer of said derivative and dispersant comprising said polymer
A polyoxyalkylene monoalkyl ether which gives, in gel permeation chromatography, a chromatogram which satisfies a relation expressed by an equation: S1/S0≦0.15, wherein S1 represents the area under a portion of the chromatogram fro...
08/24/2004
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