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7151155 |
Copolymers of cyclic esters and cyclic formals
Disclosed are copolymers of cyclic esters, e.g., caprolactone, and cyclic formals of substituted or unsubstituted diols, e.g., 1,3-dioxepane. The copolymers can provide a low melting temperature...
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7091242 |
Beta-amino acid derivatives as integrin receptor antagonists
The present invention relates to compounds of the general formula (I), processes for their preparation, pharmaceutical compositions containing them as well as their use for the production of...
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6992225 |
Organic peroxide heat stabilizer
The invention concerns a heat stabilizer of organic peroxides characterized in that it is an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl...
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6537467 |
Immobilized free radical captors
The present invention relates to free radical captors, especially to radical polymerization inhibitors or retarders which, characteristically, are immobilized on a solid support. The present...
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6291719 |
Methods and equipments of using dual functional catalyst of packing type
The present invention relates to a method of catalyzing etherification, esterification, hydration, ether cleavage, isomerization alkylation, or other reactions which are catalyzable with an acid or...
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5750678 |
Water-soluble dextran fatty acid esters and their use as solubilizers
The invention relates to a water-soluble, haemolytically inactive dextran fatty carboxylate with amphiphilic properties made from a dextran with an average molecular weight of 5,000 to 100,000 and...
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5614648 |
Antioxidant glyceride derivatives
A method of producing an antioxidant containing derivatives of an organic compound, and in particular, an antioxidant glyceride derivative, comprises reacting a first compound with a second medium....
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5498791 |
Nitrosamine and nitrite inhibition
A synergistic mixture of a carbonate and/or bicarbonate with a phosphonate, especially an organoamino methylene phosphonate or an N-oxide thereof, inhibits or reduces nitrosamine contamination...
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4738796 |
Process for preparing organic compounds containing an alkoxyalkylidene group
Process for the heat stabilization of alkyl alkoxyalkylidenemalonates in the presence of Lewis acids, such as metal catalytic compounds employed as catalysts during the preparation of the alkyl...
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4692544 |
Inhibiting polymerization of ethylenically unsaturated monomers
Certain substituted diaryl amines are used to inhibit the polymerization of ethylenically unsaturated monomers; for example, unsaturated carboxylic acids and derivatives thereof.
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4590009 |
Stabilized polyisocyanates partially blocked with hydroxy amines
Hydrazine is utilized for preventing side reactions during the preparation and storage of polyisocyanates partially blocked with hydroxy amines which are utilized for the introduction of basic...
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4504652 |
Polyester plasticizer
Disclosed is a method for reducing the odor and/or improving the performance of polyester plasticizers of the type made from a dibasic acid, a polyol, and a chain terminator wherein a molar excess...
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4431833 |
Prostaglandin and hydroxylated fatty acid ester formulations
Degradation of E-type prostaglandin compounds is retarded by dissolving or suspending such compounds in formulations containing hydroxylated derivatives of fatty acids having the formula: ##STR1##...
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4358603 |
Acetal stabilized prostaglandin compositions
Degradation of prostaglandins in anhydrous or aqueous pharmaceutically acceptable, water-miscible alcohol solutions is prevented by adding a stabilizing amount of a pharmaceutically acceptable acetal.
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4355183 |
Decolorization treatment
Inhibition of the formation of color bodies and color-forming materials and other contaminants and/or decolorization of discolored sulfur-containing organic compounds containing divalent sulfur by...
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4178454 |
Stabilized prostaglandin E composition
The degradation of prostaglandins E is prevented or minimized by combining prostaglandins E with methylhesperidin.
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4160864 |
Adhesive compositions comprising methyl allyl methylenemalonate
An adhesive composition comprising monomeric methyl allyl methylenemalonate is useful for bonding together a wide range of materials.
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4072654 |
3-(4-Anilinophenoxy)-2-hydroxypropyl sulfides, ethers and amines as antioxidants
Compounds such as 1-(4-anilinophenoxy)-3-dodecanethio-2-propanol are formed by reaction between an epoxypropoxydiphenylamine and a thiol, an alcohol or an amine. The compounds produced are useful...
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4045468 |
16-Cyclobutyl-prostaglandins
Prostaglandin analogues of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## X represents trans-vinylene or ethylene and Y represents cis-vinylene or ethylene, R...
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4034003 |
15-Cycloalkyl-prostaglandins
15-Cycloalkyl-prostaglandins of the formula:- ##STR1## wherein A represents a grouping of the formula:- ##STR2## X represents ethylene of cis-vinylene, Y represents ethylene or trans-vinylene, B...
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4024174 |
Tranes-delta 2-prostaglandins
Trans-Δ2 -prostaglandin compounds are disclosed of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## R1 represents an alkyl group containing from 1 to 10 carbon atoms, ...
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4021476 |
Vinyl acetate polymerization inhibitors
The polymerization of vinyl acetate during distillation can be inhibited by 4-(2,6-dimethylheptyl) phenol and other liquid p-alkyl phenols.
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4018812 |
16-METHYLENE-PROSTAGLANDIN COMPOUNDS
A compound of the formula: ##STR1## wherein A represents a grouping of the formula: ##STR2## , R1 represents a hydrogen atom or a straight- or branched-chain alkyl group containing from 1 to 6...
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4017544 |
N-(nitroalkyl)-N'-phenyl-p-phenylenediamines
A method of inhibiting polymerization of unsaturated carboxylic acid esters and improved unsaturated carboxylic acid ester compositions are described. The method comprises, and the compositions are...
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3966792 |
Prostaglandin compounds
New prostaglandin analogues having therapeutic utility of the formula: ##SPC1##(wherein B is a grouping of the formula: ##SPC2##X is --CH2 CH2 -- or cis --CH=CH--, Y is trans --CH=CH-- or, when X...
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3954787 |
Stabilized E-series prostaglandins
A lyophilized pharmaceutical composition comprising a prostaglandin of the E-series and an excipient selected from the group consisting of sodium chloride, cyclodextrin, succinic acid and...
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3953495 |
16-Methylene PGE2
The present invention relates to 16-methylene prostaglandins. These compounds are useful as anti-ulcer agents, bronchodilators and so on.
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3927197 |
Tertiary alcohol stabilized E-series prostaglandins
A stabilized pharmaceutical composition comprising an E-series prostaglandin and a saturated aliphatic tertiary alcohol having from 4 to 10 carbon atoms.
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3907862 |
Hindered phenolic cyano compounds
The disclosure covers hindered phenolic nitrile and amide compounds having the formula ##EQU1## wherein R1 and R2 are alkyl or cycloalkyl groups, R3 and R4 are alkyl, cyano or amino groups, R5 is...
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3857831 |
W-CARBOHYDROXYALKYL ESTERS OF PROSTAGLANDINS
Carboxyalkyl esters of prostaglandins of the general formula: ##SPC1## Wherein A represents =0 or ##SPC2## And B represents ##SPC3## Or, when A represents =0, additionally the group --CH=CH--, X...
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3758549 |
POLY ALKANOL ESTERS OF ALKYLTHIO-ALKANOIC ACIDS
Alkyl esters derived from alkylthioalkanoic acids and alkane polyols are stabilizers of organic material normally subject to thermal and oxidative deterioration. They are prepared by conventional...
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3551299 |
METHOD OF MINIMIZING POLYMER FORMATION DURING DISTILLATION OF VINYL ACETATE BY THE ADDITION OF ALPHAMETHYL STYRENE
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3489722 |
PROCESS FOR THE PREPARATION OF AROMATIC POLYESTER
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3634492 |
STABILIZED DERIVATIVES OF ASPIRIN
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3810869 |
OXIDATIVELY STABILIZED POLYMER COMPOSITIONS
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3598854 |
ALKYLHYDROXYPHENYLTHIOLOALKANOATES
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3657356 |
STABILIZED ETHER COMPOSITIONS
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3733326 |
INHIBITION OF THE POLYMERIZATION OF VINYL MONOMERS
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3816393 |
CLATHRATE COMPOUNDS OF PROSTAGLANDINS OR THEIR ANALOGUES WITH CYCLO-DEXTRIN
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3702830 |
STABILIZER SYSTEM
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3640952 |
POLYESTERURETHANES STABILIZED WITH IMINO-OXAZINES
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3470240 |
13,14-SECO-STEROIDS AND PROCESS FOR PREPARATION THEREOF
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3439050 |
COLOR-INHIBITED ALCOHOL COMPOSITION FOR PRODUCING PLASTICIZER ESTERS WITH IMPROVED COLOR
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3426063 |
INHIBITING THERMAL POLYMERIZATION AND THE GROWTH OF POPCORN POLYMER
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3418300 |
Inhibition of polymerization
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3408422 |
Stabilization of unsaturated polyesters and resulting products
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3408323 |
INSECT RESISTANT THERMOPLASTIC COMPOSITIONS
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3390170 |
Treatment of esters with polycarbonates of di (monohydroxyaryl) alkanes
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3344144 |
Inhibition of polymerization of monomeric compounds containing vinyl groups
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3305484 |
Organic material stabilized with 3, 5-ditert-butyl-4-hydroxybenzoic acid
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