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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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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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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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6864346 |
Moldable compositions
This invention relates to polymeric thermoplastic moldable compositions comprising poly(alkylene carbonates), which are useful in manufacturing of articles which may be manipulated and shaped by...
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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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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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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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6096836 |
(Hetero)aromatic ether, (thio)ester or (thio)carbonate epoxy catalyst
Disclosed herein is a curing catalyst comprising at least one compound which is a substituted or unsubstituted aromatic or heteroaromatic compound and having any one of groups (I) --O--R 1 , (II)...
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6072069 |
Biodegradable nonionic contrast media
Novel non-ionic contrast media are provided, which fulfill the requirements for x-ray visualization media, while being biodegradable. The compounds are characterized by being...
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6066755 |
Amphiphilic compounds with a plurality of hydrophilic and hydrophobic groups based on carbonic acid derivatives
The invention relates to amphiphilic compounds of the general formula I ##STR1## which have at least two hydrophilic and at least two hydrophobic groups and are based on carbonic acid derivatives....
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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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5900500 |
Perfluoropolyethers having polycarbonate structure
Perfluoropolyethereal compounds having polycarbonate structure, and general formula: ##STR1## wherein c is an integer comprised between 0 and 10, preferably between 0 and 3, n is an integer from...
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5877140 |
Detergent compositions
The present invention relates to anionic compounds and their application in detergent compositions. The compounds have the dual benefits of surfactancy and suds suppression.
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5811497 |
Aromatic curing catalyst for epoxy resins
Disclosed herein is a curing catalyst comprising at least one compound which is a substituted or unsubstituted aromatic or heteroaromatic compound and having any one of groups (I) --O--R 1 , (II)...
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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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5481013 |
Carboxylic acid derivatives
Compounds of the formula ##STR1## in which A is oxygen, sulfur or --NR 1 --; B is C 2 -C 6 alkylene, D-E is --O--E, --S--E, --O--CH 2 --E, --O--C(O)--E, --O--C(O)--O--E,...
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5436399 |
Thermoplastic polyurethane derived from polytetramethylene carbonate diol
Disclosed is a thermoplastic polyurethane which is a prepolymer/chain extender reaction product having a number average molecular weight of from 30,000 to 200,000, and a gel content of 5% by weight...
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5414017 |
Trifluoromethyl mercaptan and mercaptoacyl derivatives and method of using same
Compounds of the formula ##STR1## wherein m is zero or 1; n is zero, 1 or 2; p is zero or 1 to 6 provided that m and p are not both zero; R 3 is hydrogen, acyl, or benzyl; and R 1 is hydrogen,...
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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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5370809 |
Synthetic lubricating oils
A synthetic lubricating oil comprising as a base oil at least one kind of a carbonic acid ester represented by the general formula (1) ##STR1## wherein all the symbols such as X 1 , A 1 , A 2 , B,...
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5346787 |
Allyl carbonate polymer solid electrolytes
This invention is directed to novel allyl carbonates and to solid electrolytes containing a solid matrix having incorporated therein allyl carbonates. The solid matrix is used in an electrolytic cell.
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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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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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5232633 |
Sulfoethyl carbonate wetting agents and their use in detergent compositions
Carbonated isethionate surfactants, compositions containing them and methods for their preparation are disclosed.
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5187208 |
Polycarbonate compositions resistant to gamma radiation
A thermoplastic polycarbonate molding composition resistant to gamma-radiation is disclosed. The composition incorporates about 0.05 to 5.0 percent by weight of and end-capped poly(alkyl oxide)...
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5162405 |
Single-functional and mixtures of multi-functional oligomeric performance additive compositions and their uses
The present invention comprises novel single-functional and mixtures of multi-functional oligomeric performance additive compounds having one or more components of Structure A R1 ? ? ##STR1## (The...
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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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5140044 |
UCN-1028D derivatives
A UCN-1028D derivative represented by the formula: ##STR1## has protein kinase C inhibitory activity and is expected to be used as an active ingredient in anti-tumor agents, etc.
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5134161 |
Method for treating disease states in mammals with naphthalene lipoxygenase-inhibiting agents
Psoriasis in mammals is relieved by topically administering naphthalenes of the formula: ##STR1## wherein: R 1 is lower alkoxy or optionally substituted phenoxy, R 2 is the same as R 1 , or R...
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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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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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4861909 |
Isocyanate-modified poly(alkylene carbonate) polyahls
Isocyanate-modified poly(alkylene carbonate) polyahls comprising the residue of at least one polyahl, at least one isocyanate modifier, poly(alkyleneoxy) units, poly(alkylene carbonate) units, and...
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4853151 |
Dispirotetradecanes
Dispirotetradecanes of the formula I ##STR1## wherein R 1 and R 2 are each independently of each other alkyl containing 1 to 12 carbon atoms wherein one or more non-adjacent CH 2 groups may also...
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4808691 |
Polyether-polycarbonate diols and processes for their production and use
Polyether polycarbonate diols based on 1,6-hexanediol and having a molecular weight of from 500 to 12,000 are made by etherifying 50-100 mole % 1,6-hexane-diol in the presence of 0-50 mole % of...
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4767877 |
Nitrogen-containing bisphenol compositions
Bisamide and bisurethane bisphenols and bishaloformates are prepared by the reaction of amines with dicarboxylic acid halides or bisphenol bishaloformates. They are useful as intermediates for the...
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4709069 |
Method of preparing high molecular weight poly(alkylene carbonate) polyahls
The invention is a process for increasing the molecular weight of a poly(alkylene carbonate) polyahl which comprises exposing the poly(alkylene carbonate) polyahl to elevated temperatures at which...
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4686274 |
Process for preparing modified poly(alkylene carbonate) polyahls
A process for modifying a poly(alkylene carbonate) polyahl, which comprises reacting the poly(alkylene carbonate) polyahl, with at least one modifier having at least one active hydrogen moiety or...
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4659855 |
Aryl sulfonyl fluoride compounds
Certain novel aryl sulfonyl fluorides, their preparation, and their use in inhibiting serine proteases with chymotrypsin-like and elastase-like specificity.
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4607068 |
Radiation-curable coatings adapted for magnetic recording structures
Radiation curable coating compositions, and especially electron beam-curable coating compositions, are disclosed in which magnetizable particles are dispersed in a liquid vehicle comprising a...
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4590250 |
Polyurethane coatings for magnetic recording structures and production thereof
Radiation curable coating compositions, and especially electron beam-curable coating compositions, are disclosed in which magnetizable particles are dispersed in a liquid vehicle comprising an...
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4533729 |
Process for the preparation of polycarbonate polyols
The present invention provides a novel process for preparing specified amorphous polycarbonate polyols. The process comprises reacting phosgene, a branched-chain polyhydric alcohol, and a straight...
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4528364 |
Removal of alkaline catalysts from polyether polyols and polyalkylene carbonate polyols
This invention is a method of removing alkaline catalysts from polyether polyols and polyalkylene carbonate polyols which comprises (a) dissolving a polyether polyol or a polyalkylene carbonate...
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4512930 |
Process for synthesizing carbonic acid esters derived from unsaturated alcohols and polyhydric alcohols
The application relates to a process for synthesizing unsaturated carbonic acid esters from polyhydric alcohols, which are reacted with alkyl carbonates and unsaturated alcohols in the presence of...
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4504418 |
Non-ionic surface-active agents coupled with carbonates or carboxylic esters
Biodegradable non-ionic surface-active agents containing carbonate groups or residues of carboxylic esters can be prepared by reacting hydrophilic polyoxyalkylene glycols derived from the same or...
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4489189 |
Alkanediyl bromo-substituted arylenediyl carbonate polymers
Carbonate polymer contains both divalent aromatic groups substituted by at least two bromo groups and at least one divalent aliphatic group. The presence of the divalent aliphatic group or groups...
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4476293 |
Polymeric carbonate diols of copolyether glycols and polyurethanes prepared therefrom
Polymeric carbonate diols are prepared by coupling segments of copolyether glycols with a dialkyl carbonate, with a cyclic carbonate, or with phosgene. The carbonate diols are useful in preparing...
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4463141 |
Polyether carbonate diols and polyurethanes prepared therefrom
Polyether carbonate diols are prepared by coupling segments of a poly(tetramethylene ether) glycol with a dialkyl carbonate, a cyclic carbonate or with phosgene. The carbonate diols are useful in...
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