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7264749 |
Alkyne compounds
The present invention relates to alkyne compounds of the formula I
P 1 —Y 1 -A 1 -Y 3 -(T 1 -B 1 -) m -T 3 -C≡C-T 4 -(B 2 -T 2 -) n...
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7189869 |
Method for making polycarbonate
A method of making polycarbonates comprises melt-polymerizing an aromatic dihydroxy compound and a carbonic acid diester in a presence of a polymerization catalyst in a reactor system producing a...
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7148386 |
Processes for preparing benzoquinones and hydroquinones
A process for the preparation of hydroquinone compounds comprising, reacting an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system. The reaction is carried out in the...
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7145029 |
Low corrosive integrated process for preparing dialkyl carbonates
An integrated process for the production of a dialkyl carbonate and a diol from an alkylene oxide, carbon dioxide and an aliphatic monohydric alcohol is described in which an alkylene oxide is...
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7060778 |
Ytterbium(III) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyols
Ytterbium(III) acetylacetonate is used as a catalyst for the preparation of aliphatic oligocarbonate polyols by transesterification of at least one organic carbonate with at least one aliphatic...
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7034174 |
Mono-, oligo- and polymers comprising a 2,6-azulene group and their use as charge transport materials
Conjugated mono-, oligo- and polyazulenes are suitable for use as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors,...
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7022264 |
Polymerizable composition and use thereof
The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a...
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7005495 |
Polycarbonate diol having high proportion of primary terminal OH
Disclosed is a polycarbonate diol having diol monomer units and carbonate monomer units, wherein the amount of at least one diol monomer unit selected from the group consisting of a 1,5-pentanediol...
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6930202 |
Phosgene having low content of carbon tetrachloride
A process for producing phosgene having low content of carbon tetrachloride is disclosed. The process entails reacting carbon monoxide with chlorine in the presence of elemental carbon, in a...
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6902831 |
Azulene-based compounds in organic light emitting device elements
An organic light-emitting device (OLED) in which an azulene based compound is used as an emissive layer and/or one or more charge transport layers, or as a host material, or is doped into a...
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6833433 |
Method for producing aliphatic oligocarbonate diols
A process for the production of aliphatic oligocarbonate diols is disclosed. The optionally catalyzed high yield process entails the multistage transesterification of aliphatic diols with dimethyl...
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6770774 |
Peroxides, their preparation process and use
The invention relates to a preparation process for making peroxy esters and peroxy carbonates, peroxy ester peroxy carbonates, mixed diperoxides, mixed diperoxy esters, and mixed diperoxy...
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6667341 |
Delta dicarbonyl compounds and methods for using the same
Amidomethyl esters, carbonylmercaptomethyl esters, keto-containing esters, amidomethyl thioesters, amidomethyl amides, and methylene dithioesters are disclosed. The novel compounds have two...
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6617467 |
Process for producing polyalkylene carbonates
A polyalkylene carbonate, an alternating copolymer, may be prepared by the ring opening of an alkene oxide or an alkene oxide precursor in the presence of carbon dioxide or any substance delivering...
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6569572 |
Lithium battery, polymer electrolyte, electrolyte material, di(meth)acrylic ester, and di(meth)acrylate polymer
In a lithium battery comprising a positive electrode, a negative electrode and a gel electrolyte; the gel electrolyte is composed of at least an ester-group or ether-group aprotic polar solvent, a...
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6476249 |
Copolycarbonate and process for producing the same
Provided are an aromatic polycarbonate copolymer and a method for producing it. An aromatic dihydroxy compound, at least one member selected from the group consisting of polyorganosiloxanes and...
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6245398 |
Optically anisotropic sheet containing discotic liquid crystal molecules twisted with optically active triphenylene compound
An optically active triphenylene compound is represented by the formula (I). ##STR1## In the formula (I), R 1 , R 2 , R 3 , R 4 , R 5 and R 6 is independently an optically active monovalent...
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6232487 |
Carbonate precursors for organoleptic compounds
The carbonates of formula I ##STR1## deliver aldehydes and/or ketones in the presence of skin bacteria, enzymes or acidic or alkaline conditions. One carbonate molecule can provide one or more...
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6190805 |
Polymerizable compound, solid polymer electrolyte using the same and use thereof
The polymer compound of the present invention which contains a poly- or oligo-carbonate group and is preferably obtained by utilizing a polymerization reaction using a polymerizable functional...
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6166074 |
Pharmaceutical compositions
Pharmaceutical compositions which are useful for the treatment of cancer or illnesses which arise due to an abnormally elevated cell proliferation comprise acyl derivatives of aromatic aldehydes,...
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RE36293 |
Polyalkylene glycol polycarbonate based lubricant oil composition
The present invention provides lubricant oil compositions comprising a polyalkylene glycol carbonate. The lubricant oil compositions are useful for industrial gear oil, automotive gear oil, and...
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5856553 |
Carbonic acid 3-methoxycarbonyloxy-2,2,4,4-tetramethyl-cyclobutyl ester methyl ester and method of making therefor
The invention relates to the compounds having the structures I and II: ##STR1## The invention also relates to a method of making the compound having the structure I by mixing...
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5616546 |
Automatic dishwashing compositions comprising multiperacid-forming bleach activators
Improved automatic dishwashing detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted...
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5595967 |
Detergent compositions comprising multiperacid-forming bleach activators
Improved detergent compositions, especially granular detergents, comprising bleach activators which form multiperacids, especially specific monoquaternary substituted bis(peroxycarbonic) acids,...
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5547992 |
Anti-herpes virus and cytomegalovirus polycarbonate oligomers
The oligomers of the present invention are polyureas, polycarbonates, polyesters or polyamides having a number average molecular weight of <10,000. These oligomers are water-soluble, have a...
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5480959 |
Substantially pure bisphenols and polymers comprising bisphenols
Bisphenols are prepared from cyclic monoterpene precursors and high glass transition temperature polymers are prepared from bisphenols. More particularly, substantially pure...
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5391802 |
Process for cleaving polycarbonates into bisphenols and diaryl carbonates
A process is disclosed for cleaving polycarbonates into bisphenols and diaryl carbonates by transesterifying with phenols in the presence of catalysts. The process entails isolating bisphenols from...
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5384056 |
Polycarbonate and use thereof
The polycarbonate of the invention is a polycarbonate derived from adducts such as propylene oxide adducts of polyglycerols. The lubricating oil of the invention comprises this polycarbonate, and...
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5336814 |
Method for recovering bis hydroxy aromatic organic values and bis aryl carbonate values from scrap aromatic polycarbonate
A method is provided for depolymerizing scrap aromatic polycarbonate to salvage component monomers by initially effecting aromatic polycarbonate depolymerization by basic phenolysis to produce a...
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5292915 |
Compounds containing carbonate groups and carbonyl groups and the preparation and use thereof
The invention relates to compounds containing carbonate groups and carbonyl groups and having the general formula ##STR1## in which R stands for a C 1 -C 4 -alkyl radical, an aryl radical, or a...
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5283351 |
Process for producing an organic carbonate from an organic hydroxy compound and carbon monoxide in the presence of a palladium catalyst
A process for efficiently producing an organic carbonate which comprises reacting an organic hydroxy compound and carbon monoxide in the absence of oxygen and in the presence of a catalyst...
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5276174 |
Alk-1-enyloxy carbonates
This invention relates to radiation curable alk-1-enyloxy carbonate reaction products of a polyhydroxylated compound having the formula ROH and a dialk-1-enyloxy carbonate having the formula...
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5258542 |
Carbonates of acetylenic alcohols
Polymerizable carbonate compounds of the formula: ##STR1## wherein A is an aromatic polycycle, R 1 and R 2 are independently hydrogen atom or alkyl, and n is 1, 2 or 3, are disclosed. They are...
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5248315 |
Detergent additive for fuels
Detergent additive for liquid fuels, obtained by means of the trans-esterification of a tertiary amine bearing at least two hydroxy functions, with a dialkyl carbonate and a higher aliphatic...
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5248805 |
Radiation-senstive, ethylenically unsaturated, copolymerizable compounds and their preparation
Radiation-sensitive, ethylenically unsaturated compounds and a process for their preparation. The ethylenically unsaturated organic compounds are of the general formula ##STR1## where R is alkyl,...
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5238590 |
Lubricant oil, polyalkylene glycol polycarbonates and process for preparing them
The present invention provides lubricant oil compositions comprising polyalkylene glycol polycarbonates. The lubricant oil compositions are useful as industrial gear oils, automotive gear oils,...
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5231217 |
Process for the preparation of amine-terminated compounds
The present invention is directed to a novel solvent-free process for preparing amine terminated compounds by reacting a polyfunctional acetoacetic acid ester with either ammonia or an organic...
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5200547 |
Preparation of urethane and carbonate products
The present invention provides a process for preparing urethanes and carbonates from an amine or an alcohol, carbon dioxide and an allyl halide. The amine or alcohol is reacted with carbon dioxide...
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5175333 |
Transesterification route to quaternary ammonium substituted carbonate esters
A process is reported for preparation of quaternary ammonium type carbonate esters which are useful as bleach precursors in detergent compositions. The process involves transesterification of low...
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5149856 |
Process for the preparation of carbonic acid diesters containing at least one aromatic ester group
Aromatic and aliphatic-aromatic carbonic acid diesters can be obtained by transesterification of carbonic acid diesters containing aliphatic ester groups if polymeric hydroxystannoxanes are...
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5142086 |
Method for making organic carbonates
A method for making diphenyl carbonate free of color bodies is provided by reacting an organic hydroxy compound, such as phenol with carbon monoxide and oxygen in the presence of an effective...
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5142088 |
Preparation of branched polycarbonates and chloroformates, and intermediates therefor
Ester polyphenols such as the tris(bisphenol A) ester of trimellitic acid are prepared by the reaction of the corresponding aromatic poly(acyl halide) with a dihydroxyaromatic compound such as...
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5126452 |
Synthesis of purine substituted cyclopentene derivatives
This invention relates to new process for preparing certain optically active purine substituted cyclopentene derivatives and novel intermediates used in this process. In particular, the invention...
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5066824 |
Novel process for the preparation of amine-terminated compounds
The present invention is directed to a process for preparing amine terminated compounds by reacting a polyfunctional acetoacetic acid ester with either ammonia or an organic compound which contains...
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5039754 |
Polymeric peroxides derived from hydroxy-hydroperoxides and dihydroxydialkyl peroxides and their uses
A polymeric peroxide comprising a dilvalent recurring unit having the formula: ##STR1## wherein the recurring unit of Formula I has a 10 hour half-life temperature of at least 80° C. and...
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4956424 |
Novel poly (alkylene carbonate) polyahls having more than one pendant acid group
Poly(alkylene carbonate) polyahl polymers containing two or more acid-terminal moieties are disclosed. Acid-terminal polyahls provided herein are useful as surfactants or as intermediates for the...
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4948845 |
Novel surfactants based on poly(alkylene carbonate)s
A polyether polycarbonate block copolymer nonionic surface-active agent and method for making the same. The polyether polycarbonate surface active agent is comprised of a hydrophilic portion...
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4943396 |
Process for preparing linear alpha, omega difunctional molecules
The present invention relates to a process for preparing linear alpha, omega difunctional molecules by a process which comprises isomerizing olefins having at least one terminal functional group to...
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4943397 |
Metathesis of functional olefins
The present invention relates to a process for metathesizing an olefin having at least one terminal functional group which comprises contacting said olefin at metathesis conditions with a catalyst...
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4870127 |
Poly (alkylene carbonate) polyahls having on the average up to one acid-terminal moiety and salts thereof
Novel acid-functional poly(alkylene carbonate) polyahls and their salts having surfactant activities are disclosed. These polyahls have, on the average, at least about 0.05 and up to about and...
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