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Class 549/228 - The hetero ring contains -O-C(=X)-O- as part of its structure, wherein X is chalcogen (e.g., cyclic carbonates, etc.)


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which the hetero ring contains as part of its
No. of patents: 107
Last issue date: 05/15/2012


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NumberTitleIssue Date
8178700Method of preparing cyclic carbonates, cyclic carbamates, cyclic ureas, cyclic thiocarbonates, cyclic thiocarbamates, and cyclic dithiocarbonates
A method of preparing a cyclic monomer, comprising: forming a first mixture comprising a precursor compound, bis(pentafluorophenyl) carbonate, and a catalyst; wherein the precursor compound has a structure comprising a) two or more carbons, and b) two functional gro...
05/15/2012
7790908Process for preparing glyceryl carbonate
The present invention relates to a process for preparing highly pure glyceryl carbonate by transesterifying dialkyl carbonates or cyclic carbonates in the presence of a basic catalyst. ...
09/07/2010
7365214Process for the preparation of cyclic carbonates
The present invention provides an improved process for the preparation of cyclic carbonates which comprises reacting an olefins or its epoxide with carbon dioxide or a mixture of oxygen-containing compound and carbon dioxide, in the presence of zeolite-based catalys...
04/29/2008
7342141Process for the preparation of alkanediol
The invention provides a process for the preparation of alkanediol comprising the steps: (i) contacting alkylene oxide with carbon dioxide in the presence of a carbonation catalyst to obtain a reaction mixture containing alkylene c...
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
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
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
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
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
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
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
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
7112633Preparation of a compound containing cyclic and linear carbonate groups
The invention relates to a process for the preparation of compound(s) comprising at least one acrylate or methacrylate group, at least one linear carbonate group and at least one 5-membered cyclic carbonate group. The process comprises (A) a selective ring-opening s...
09/26/2006
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
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
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
70876353-substituted oxindole β3 agonists
The present invention relates to a β3 adrenergic receptor agonist of formula I: or a pharmaceutical salt thereof; which is capable of increasing lipolysis and energy expenditure in cells and, therefore, is usefu...
08/08/2006
7019149Thromboxane ligands without blood clotting side effects
A method of treating ocular hypotension, hypertension, hemorrhage, myocardial ischemia, angina pectoris, coronary contraction, cerebrovascular contraction after subarachnoidal hemorrhage, cerebral hemorrhage and asthma which comprises administering to a mammal suffe...
03/28/2006
7005496Production of trimethylene carbonate from poly (trimethylene carbonate) by wiped film reactive evaporation
A method for producing trimethylene carbonate poly(trimethylene carbonate which comprises (a) introducing liquid poly(trimethylene carbonate) and an optional catalyst into a wiped film evaporator reactor under a vacuum about 15 kPa or less, said reactor having walls...
02/28/2006
6960300Process for preparing water soluble diterpenes and their applications
Aqueous solutions of diterpenes such as Forskolin, its congeners, analogs and derivatives, up to approximately 6% concentration, are prepared using suitably substituted cyclodextrin as a solubilizing agents. In the absence of cyclodextrin, some diterpenes such as Fo...
11/01/2005
6924379Process for preparation of cyclic carbonate
A catalytic system comprising of Zinc-substituted polyoxometalate, Na12[WZn3(H2O)2(ZnW9O34)2].48H2O and a Lewis base has been discovered to be efficient for chemical fixation of ...
08/02/2005
6825361Cathodic electrocoating compositions containing hydroxyl-carbonate blocked polyisocyanate crosslinking agent
An improved aqueous cathodic electrocoating composition having a binder of an epoxy-amine adduct and a blocked polyisocyanate crosslinking agent; wherein the improvement is the use of a hydoxyl-carbonate blocked polyisocyanate crosslinking agent. Electrodeposited fi...
11/30/2004
6818779Thromboxane ligands without blood clotting side effects
A method of treating ocular hypotension, hypertension, hemorrhage, myocardial ischemia, angina pectoris, coronary contraction, cerebrovascular contraction after subarachnoidal hemorrhage, cerebral hemorrhage and asthma which comprises administering to a mammal suffe...
11/16/2004
6727369Process for the preparation of baccatin III analogs bearing new C2 and C4 functional groups
Process for the preparation of a derivative or analog of baccatin III or 10-desacetyl baccatin III having a C2 substituent other than benzoate and/or a C4 substituent other than acetate in which the C2 benzoate substituent and/or the C4 acetate substituent of a deri...
04/27/2004
6723858Estrogenic compounds as anti-mitotic agents
The application discloses methods of treating mammalian diseases characterized by abnormal cell mitosis by administering estradiol derivatives including those comprising colchicine or combretastatin A-4 structural motifs of the general formulae found below in a dosa...
04/20/2004
6716874Synergistic insecticide mixtures
The invention relates to insecticidal mixtures comprising compounds of the formula (I) in which X′, Y′, Z′, n, G′, A′ and B′ are as defined above and agonists and/or antagonists of nicotinic acetylcholine rec...
04/06/2004
6630492Lymphocyte function antigen-1 antagonists
Mevinolin compounds for use in the treatment or prevention of autoimmune diseases, inflammation, ischemia/reperfusion injury and graft rejection. Such compounds bind to the LFA-1 I-domain and thereby inhibit LFA-1/ICAM-1 or LFA-1/ICAM-3 interactions....
10/07/2003
6506909Method of making trimethylene carbonate
A method of synthesizing trimethylene carbonate is disclosed involving (a) reacting 1,3-propanediol and a compound chosen from phosgene and bis-chloroformates to form a polycarbonate intermediate having the structure: ##STR1## wherein n is at least 2; R
01/14/2003
6258962Process for producing alkylene carbonates
A process for the synthesis of alkylene carbonates, such as ethylene carbonate, by reacting alkylene oxides with carbon dioxide in the presence of a porous solid support catalyst containing an alkali or alkaline earth metal component....
07/10/2001
6194124Photosensitive ceramic compositions containing polycarbonate polymers
The invention is directed to polymer comprising the repeat unit ##STR1## wherein each of R1 through R7 are independently hydrogen or alkyl, and R8 is hydrogen or methyl. The invention is further directed to a photosensitiv...
02/27/2001
6180800Fluorine-substituted cyclic carbonate and electrolytic solution and battery containing the same
Monofluoromethyl ethylene carbonate, difluoromethyl ethylene carbonate and trifluoromethyl ethylene carbonate are provided as novel compounds. These compounds are very useful as solvents because they are chemically and physically stable, have a high diele...
01/30/2001
6160130Preparation of alkylene carbonate using manganese halides as catalyst
The present invention relates to a method for preparing alkylene carbonate by reacting alkylene oxide with carbon dioxide in the presence of a catalyst comprising: a) at least one alkali metal halide selected from the group consisting of MCl, MBr and MI, ...
12/12/2000
6090845Thromboxane ligands
A method of treating ocular hypotension, hypertension, hemorrhage, myocardial ischemia, angina pectoris, coronary contraction, cerebrovascular contraction after subarachnoidal hemorrhage, and asthma which comprises administering to a mammal suffering ther...
07/18/2000
6054596Process for producing cyclic carbonic esters
Reacting a diol (1) with a carbonic ester (2) to produce a cyclic carbonic ester (3) using a salt of a weak acid with an alkaline metal or alkaline earth metal as a catalyst. The diol (1) contains diols having an asymmetric carbon atom. The reaction mixtu...
04/25/2000
6020499Cyclic carbonates and their reactions with amines
Six-membered cyclic carbonates (2-oxo-1,3-dioxanes) in which keto or carbohydrocarbyloxy groups are bound to the 5 position of the ring are disclosed. They react surprising quickly with primary or secondary cyclic amines, and the novel product hydroxyuret...
02/01/2000
5962699Process for decolorizing organic carbonates
A process for decolorizing organic carbonates, for example, cyclic alkylene carbonates, which involves contacting a discolored organic carbonate with hydrogen peroxide, is disclosed....
10/05/1999
5922888Process for removal of diol as impurity in cyclic carbonic acid ester
A process for removing a diol from a cyclic carbonic acid ester containing the diol as an impurity, which comprises bringing a cyclic carbonic acid ester containing a diol as an impurity into contact with a synthetic zeolite in the presence of a chain car...
07/13/1999
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