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7485743 |
Oligomeric ketone compounds
A novel keto8enic compound is provided having general: Formula R(OCH(CH 3 )CH 2 C(O)) n —O-A wherein n is an integer of 3 to 10, A is the residue of a 3-keto alkan-1-ol and R is selected from the...
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7005536 |
Method for producing diol derivatives
A method of producing a diol derivative efficiently and to high purity is provided. Specifically, the present invention relates to a method of producing a diol derivative having, as a fundamental...
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7002035 |
Color stabilization of base-stabilized ethylenically modified unsaturated monomers
The invention relates to the use of at least one compound from the tocopherol group for the color stabilization of ethylenically unsaturated monomers, particularly hydroxyalkyl(meth)acrylates,...
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6992209 |
Methods of forming alpha, beta-unsaturated acids and esters
The invention includes a method of forming an alpha, beta-unsaturated compound. A carboxylic acid is mixed with an alpha-hydroxy acid or an alpha-hydroxy ester and is esterified to form an...
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6623730 |
Therapeutic uses of polymers and oligomers comprising gamma-hydroxybutyrate
Oligomers and polymer compositions are provided which comprise GHB and produce GHB after administration in vivo. Devices for the storage and delivery of these polymers and oligomers are also...
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6545175 |
Ester compounds and their use in forming acrylates
The present invention provides compounds having the formula: wherein: n is 0 or 1; R 4 through R 12 are independently selected from hydrogen, C 1 to C 10 alkyl, C 6 to C 10 aryl, C 1 to C...
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6518454 |
Preparation of esters of carboxylic acids
Disclosed is a process wherein a solution of a carboxylic acid in a first solvent and an alcohol are fed to a simulated moving bed reactor (SMBR) containing a solid(s) to produce a first stream...
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6506929 |
Process to manufacture simvastatin and intermediates
A process is disclosed for the preparation of simvastatin which enables highly regio selective C-methylation of the 2′-position group of lovastatin without requiring protection/deprotection of...
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6420594 |
Polylactate release compounds and methods of using same
The present invention provides for a family of novel compositions to serve as substrates that release hydroxy acid slowly over time. Preferably the hydroxy acid is an α-hydroxy acid, more...
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6403825 |
Processes for producing citrate esters
Described are processes for producing citrate esters in, an economic fashion. Esters are prepared by esterification of a citric acid-containing fermentation broth having been treated to remove...
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6365637 |
Use of esters or amides of hydroxylated carboxylic acids as solubilizers
The use of esters or amides of hydroxylated carboxylic acids as solubilizers, particularly for pharmaceutical, cosmetic and food preparations, is described.
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6087010 |
Fluorine-containing polyfunctional (meth) acrylate composition low refractivity material and reflection reducing film
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6060622 |
Methods of reproducing lactic acid components by using lactic acid based by-products
A lactic acid based by-product formed in a process of producing a lactic acid based composition is subjected to racemization in the presence or absence of a catalyst to thereby obtain a lactic acid...
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6043389 |
Hydroxy and ether-containing oxyalkylene esters and uses thereof
This invention relates to compositions for and methods of treating, preventing or ameliorating cancer and other proliferative diseases as well as methods of inducing wound healing, treating...
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5894062 |
Process for the recovery of polyhydroxyalkanoic acid
A hydroxyalkanoic acid (PHA)is recovered from matter derived from living organisms by dissolving the PHA in a solvent which is a lower ketone, dialkyl ether or a lower alcohol or a monocarboxylic...
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5866606 |
Nutritional formulations containing water-miscible lipid derivatives as anti-microbial agents
A nutritional formulation containing an amount of diacetyltartaric acid esters of mono- and diglycerides effective to inhibit the infectious activity of pathogenic microorganisms is provided. A...
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5840959 |
Method of oxidizing alkyl-5-formyl valerate to monoalkyl adipate
An improved method for the selective oxidation of alkyl-5-valerate to monomethyl adipate (e.g., methyl-5-valerate to monomethyl adipate). By performing the air oxidation at high pressure...
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5777150 |
Substituted amic acid derivatives
A compound of the formula (I) or its pharmaceutically acceptable salt or ester: ##STR1## wherein each of ##STR2## which are the same or different, is an aryl group or a heteroaromatic ring group; A...
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5698641 |
Substrate coated with composition of non-cyclic polyanhydride and polyglycidyl oligomer
A coating composition applied to a substrate wherein the composition contains a solids content of at least about 65 percent by weight and includes a polyanhydride having more than one non-cyclic...
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5654472 |
Triazole derivatives
The present invention relates to a novel glycerol derivative and a process for preparing the same, and a process for preparing a triazole derivative. According to the present invention, an optical...
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5633330 |
Coating composition of non-cyclic polyanhydride and glycidyl oligomer
A coating composition with a solids content of at least about 65% by weight comprises a polyanhydride having more than one non-cyclic anhydride moiety, a glycidyl groups-containing oligomer, a...
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5633020 |
Coating composition of non-cyclic polyanhydride and co-reactant resin
A coating composition with a solids content of at least about 65% by weight comprises a polyanhydride having more than one non-cyclic anhydride moiety, a co-reactant resin such as a glycidyl...
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5602274 |
Polyanhydride containing non-cyclic anhydride moieties
A polyanhydride having a molecular weight of no more than about 2000 is useful in a coating composition with a coreactant resin such as an epoxy resin and comprises: (a) a polyvalent organic...
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5559267 |
Hydrogenation process using catalysts made from chiral phospholanes via chiral 1,4-diol cyclic sulfates
Chiral 1,4-diol cyclic sulfates and their use as precursors in the preparation of chiral phospholane ligands, and chiral complexes useful as catalysts for carrying out enantioselective reactions.
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5557007 |
Unsaturated polylactone acrylates and derivatives thereof
Novel unsaturated polylactone acrylates are produced by the reaction of an unsaturated polylactone, such as that produced in the reaction of a lactone with tetrahydrobenzyl alcohol, and a...
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5519161 |
Nutritive glycerol esters of β-acyloxy butyrates
Novel compositions that are useful as nutrients are disclosed. These compounds are preferably water soluble parenteral nutrients and are glycerol esters of β-acyloxybutyrates of the formula...
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5434289 |
Process for producing optically active β-hydroxyketone
A process for producing an optically active β-hydroxyketone represented by formula (I): ##STR1## by catalytic asymmetrical aldol reaction is disclosed, comprising reacting a silyl-enol ether...
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5412134 |
Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol
The protected cyclobutanone of the formula ##STR1## is treated with a dialkylaluminum chloride, an alkylaluminum dichloride, a trialkylaluminum compound, diphenylsilane in the presence of...
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5374366 |
Synthetic lubricating oil
A synthetic lubricating oil contains an esterification product obtained from a hydroxycarboxylic acid polyol ester (A) and at least one aliphatic monocarboxylic acid (B), and optionally either an...
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5338879 |
Lactone-modified alicyclic composition and an epoxidized composition thereof
A composition comprising a lactone-modified alicyclic compound (I), or an epoxidized lactone-modified alicyclic compound (II) of the following formulae: ##STR1## wherein R is an alkyl group, an...
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5324856 |
Making optically active alpha-hydroxy acids or precursors
Disclosed is a process for making an α-hydroxy acid which is essentially all L or all D with respect to the chiral C atom bonded to the carboxy group of said acid which comprises (1)...
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5296003 |
Polyesters of poly(oxyalkylene) hydroxyaromatic ethers
Poly(oxyalkylene) hydroxyaromatic ethers having the formula: ##STR1## or a fuel-soluble salt thereof; where n is an integer from 5 to 100; x is an integer from 0 to 10; R 1 and R 2 are each...
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5277900 |
Method for blood coagulation on hard tissues
A method of using resorbable waxes for coagulation of blood on endogenous hard tissue, especially bone, which waxes consist of waxy polyester-oligomers of hydroxybarboxylic acids which are viscous...
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5248809 |
Process for preparing a polymerizable compound having both polymerizable double bond and hydroxyl group
A process for preparing a polymerizable compound of the formula: ##STR1## or a polymerizable compound of the formula: ##STR2## is provided. These formed compounds are useful for the preparation of...
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5234972 |
Dental adhesive comprising an itaconic acid monoester compound
A novel itaconic acid monoester compound represented by the following general formula (1) ##STR1## (R 1 represents --H or --CH 3 , and R 2 represents a C 2 -C 10 alkylene group, an oxyethylene...
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5213976 |
Process for obtaining a polyhydroxyalkanoate from the cell material of a microogranism
Process for extracting polyhydroxyalkanoates from the cell material of microorganisms by adding an organic solvent for the polyhydroxyalkanoate which is immiscible with water and which has a...
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5169409 |
Polymer modified hydroxyalkylene substituted polyamines as lubricant and fuel additives
Reaction products which provide antioxidant properties to lubricants and fuels while serving as effective dispersants and detergents in these mediums. These products, of the reaction of a...
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5142019 |
Oligomers formed from reaction of acrylamidoglycolate alkyl ethers with β-hydroxyalkylamines
An oligomer of the structure: ##STR1## wherein R 1 is hydrogen, lower alkyl having 1 to 5 carbon atoms or hydroxyalkyl having 1 to 5 carbon atoms; R 2 and R 3 are the same or different radicals...
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5128252 |
Process for producing optically active compound
The invention provides an optically active compound which is R- or S- ester having the general formula: ##STR1## wherein R 1 is hydrogen or acyl of 2-20 carbon atoms, R 2 is alkyl, alkenyl or...
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5117035 |
Fluorine-containing acrylic acid derivative and polymer thereof
A novel fluorine-containing acrylic acid derivative of the invention is represented by the formula: (CH 2 CF--CO) p --A (I) wherein A is a residue derived from an...
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5110980 |
Separation of poly-β-hydroxyalkanoic acid from microbial biomass
Hypochlorite digestion of bacterial biomass to recover intracellular poly-β-hydroxylalkanoic acid (PHA) has not been used on a large scale since it has been widely reported to severely degrade the...
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5091560 |
Method for synthesizing acyloxycarboxylic acids
A method for synthesizing an acyloxycarboxylic acid by providing a reaction chamber, establishing sources of an α-hydroxycarboxylic acid and an acid chloride, and repeatedly contacting...
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5081224 |
Process for production of olefin-terminated polyesters
This invention relates to processes for producing an olefin-terminated polyester. In one of the processes which comprises reacting an olefin-terminated diester compound with a lactone in the...
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5055609 |
Method for producing citrates by esterification in the presence of organic titanates
Citrate esters are formed utilizing organic titanates as a catalyst allowing excess alcohol to be removed. Four citrate esters have been found which provide advantageous plasticizing properties to...
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5051530 |
Ester derivatives and process for production thereof
There are provided novel ester derivatives represented by the following formula(I): ##STR1## wherein, R 1 represents methyl, ethyl, isopropyl, t-butyl, or phenyl; R 2 represents phenyl, methoxy,...
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5043179 |
Triol triester derivatives as low calorie fat mimetics
Triol triester derivatives, notably compounds having a four- to thirty- carbon backbone to which are attached three fatty C 1 or C 2 to C 29 ester groups in ester linkage are edible, preferably...
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5032320 |
Lactone modified mono- or dicarboxylic acid based adduct dispersant compositions
C 5 -C 9 lactone based adduct materials are made by reacting a C 5 -C 9 lactone with a polyol to form a lactone adduct intermediate, and thereafter reacting the intermediate with an aliphatic...
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5011973 |
Novel process for producing bischoline-disulfonate derivatives
The process for producing bischoline-disulfonate derivatives of Formula (I) ##STR1## useful for enhancing the digestive function comprising reacting, in the presence of an organic solvent, a...
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4983759 |
Process for the production of 3,5,6-trihydroxyhexanoic acid derivative
A compound of a 3,5,6-trihydroxyhexanoic acid derivative of the formula: ##STR1## wherein P 1 and P 2 are independently hydrogen atoms or hydroxy-protecting groups, or together form a ring, and R...
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4983689 |
Process for making macromolecular monomers of polylactones with terminal acryloyl unsaturation and block copolymers thereof
Preparation of a macromolecular monomer of a lactone having an alpha-beta monoolefinically unsaturated "head" is effected at low temperature with a strong oxonium salt, such as a trialkyloxonium...
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