Matches 451 - 500 out of 938 < 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >
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4841020 Catalytic polymerization of carbon monoxide with functional substituted ethylenically unsaturated monomer  
Novel copolymers and terpolymers are produced from carbon monoxide, a functionally-substituted ethylenically unsaturated compound wherein the functional substituent is separated from the ethylenic...
4840856 Allyl group-containing oligoethyleneoxypolyphosphazenes, process for their preparation, and their use  
Polyphosphazenes which can be formed into a membrane having a high affinity for a separated substance and an excellent flexibility and even a thin membrane having a high strength and an excellent...
4835250 Catalytic preparation of polyketone from carbon monoxide and olefin  
Copolymers of ethylene and CO(polyketones) are produced by copolymerization in the presence of a catalyst comprising palladium, cobalt or nickel, a bidentate phosphine ligand and a non-coordinating...
4832702 Polybutyl-and polyisobutylamines, their preparation, and fuel compositions containing these  
The fuel or lubricant composition proposed contains one or more polybutyl or polyisobutylamines of the general formula I ##STR1## where R 1 is a polybutyl- or polyisobutyl radical derived from...
4831107 Polymer preparation from lysine and a quinone  
A novel class of polymers and processes used in their preparation are described. The polymers are produced by a reaction between polyfunctional amines and quinones. Some are infusible and...
4831114 Polymerization of carbon monoxide and olefin with acid catalyst  
Linear alternating copolymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are produced in the presence of novel catalysts formed from a Group VIII metal compound, an...
4831113 Process for polymerizing carbon monoxide and olefins with a quinone  
The invention relates to compositions that may be used as catalysts for the preparation of polymers of carbon monoxide and at least one olefinically unsaturated organic compound. The invention also...
4826932 Dioxolane containing polymer  
Reaction of a linear alternating copolymer of carbon monoxide and ethylene with a 1,2-dihydroxyalkane of up to 1 additional hydroxyl group produce polydioxolanes having dioxolane moieties attached...
4824934 Process for polymerizing carbon monoxide with a quinone  
The invention relates to compositions that may be used as catalysts for the preparation of polymers of carbon monoxide and at least one olefinically unsaturated organic compound. The invention also...
4822871 Polymerization process  
A linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon exhibits improved thermal stability as evidenced by reduced weight loss at elevated...
4820802 Improved process of preparing carbon monoxide/olefin copolymer with ortho substituted phosphine catalyst composition.  
Linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are produced in the presence of a novel catalyst composition formed from a palladium compound,...
4820578 Polyketone roofing membranes  
A weatherproof coating for roofs or decks is formed when an adhering material is used in conjunction with a nonwoven mat formed from a linear alternating polymer of carbon monoxide and at least one...
4818811 Terpolymer of carbon monoxide and ethylenically unsaturated monomers  
Novel polyketone polymers containing pendant ether, amide or phosphonate groups are produced from carbon monoxide, an ethylenically unsaturated hydrocarbon and a vinyl compound selected from vinyl...
4818810 Catalytic process for the preparation of polyketones from carbon monoxide and ethylenically unsaturated hydrocarbon  
A process for the preparation of polyketones is disclosed, the process being the polymerization of a mixture of CO and an alkenically unsaturated hydrocarbon in the presence of a Group-VIII-metal...
4816514 Polymer blends of polyolefins and alternating copolymers of carbon monoxide and other monomers  
Blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a poly(α-olefin) exhibit improved processability.
4814405 Telechelic polymers made from sterically hindered binifers  
Sterically hindered binifers are made as well as utilized to produce telechelic polyisobutylenes. The telechelic polymers can be produced at high temperatures, for example minus 30° C.
4812553 Preparation of unsaturated polyesters using bis-hydroxyalkyl esters of aromatic dicarboxylic acids  
The novel polyesters are prepared by direct esterification of bis-hydroxyalkyl esters of aromatic diacids with unsaturated diacids or their anhydrides. These polyesters differ from the prior art...
4810774 Catalytic copolymerization of CO/olefin with ketone additive.  
The process of producing linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a novel catalyst composition prepared from a...
4808699 Process for preparing polymers of carbon monoxide and ethylene under specified pressures  
The invention is a process for preparing a linear alternating polymer which process comprises contacting ethylene and carbon monoxide in the presence of a catalyst, at a total pressure within the...
4808697 Catalytic process for preparing polymers of sulfur dioxide and olefin  
The invention is a process for preparing linear alternating polymers of sulfur dioxide, ethylene, optionally at least one ethylenically unsaturated hydrocarbon other than ethylene and optionally...
4808637 Superabsorbent composition and process  
The present invention provides an acrylate superabsorbent composition having an improved rate of absorbency, low residual acid content, and a low acrylate monomer content. Acrylic acid, an alkali...
4806630 Catalytic polymerization of carbon monoxide and olefin, with organo nitro or organo nitrite compound additive  
An improved process for producing polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon comprises contacting the carbon monoxide and hydrocarbon under polymerization...
4806625 Flame resistant polyaromatic cyanate resins with improved thermal stability  
Halogen-containing hydrocarbon phenol cyanate resins are prepared by reacting the product resulting from reacting a hydrocarbon phenol resin with a metahalogenated hydroxymethyl phenol with a...
4804739 Process for preparing carbon monoxide polymer with quaternary phosphonium compound bidentate ligand  
This invention relates to an improved process of producing linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and to a catalyst composition...
4804738 Catalytic preparation of carbon monoxide/ethylene/secondary ethylenically unsaturated hydrocarbon terpolymer  
An improved process for the production of terpolymers of carbon monoxide, ethylene and a secondary ethylenically unsaturated hydrocarbon comprises contacting the monomers in the presence of a...
4801457 Polyacetal hydrogels formed from divinyl ethers and polyols  
A therapeutic composition comprising a therapeutic macromolecular agent incorporated in cross-linked polyacetal.
4798884 Process for the working-up of ethylene/carbon monoxide alternating copolymers  
The invention is a process for working up a linear alternating copolymer of carbon monoxide, ethylene and optionally at least one olefinically unsaturated hydrocarbon, which process comprises...
4795801 Chemical grafting process used to produce a composition, and composition produced thereby  
The invention relates to the use of chemical grafting to produce a stable liquid composition that is capable of hardening following an optional polymerization process. Under the invention, in order...
4794165 Carbon monoxide/olefin polymerization with bidentate ligand containing  
A process for the production of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon comprises contacting the carbon monoxide and hydrocarbon in...
4791190 Removal of palladium compound catalyst residues from polymer ketones  
The invention is a process for reducing catalyst residues from a Group VIII metal compound-containing polymer of CO, ethylene and optionally at least one olefinically unsaturated hydrocarbon. The...
4786714 Catalytic process for polymerizing carbon monoxide and olefin(s) with nitrogen bidentate ligand  
The invention relates to compositions that may be used as catalysts for the preparation of polymers of carbon monoxide and olefinically unsaturated hydrocarbons. The invention also relates to...
4778876 Vapor phase process for polymerizing carbon monoxide and olefins  
Polymers of relatively high bulk density are produced at a satisfactory rate by polymerization carried out as a gas phase polymerization, in which the monomers are contacted with the catalyst...
4775737 Thermoset polymeric composition from poly(oxazoline), alkenyl phosphonic acid and polyphenolic  
A process for the preparation of a thermoset polymer having good adhesive properties comprising reacting a compound containing a plurality of oxazoline groups with an alkenyl phosphonic acid at a...
4775708 Linear alternating polymer of carbon monoxide and olefin plasticized with alkylene carbonate  
Plasticized polymeric compositions comprising a polyketone polymer and a plasticizing amount of an alkylene carbonate are produced by contacting a solution of the polymer with a solution of the...
4749778 2-cyanoacrylate-carbonate composition  
A 2-cyanoacrylate composition which comprises (A) a 2-cyanoacrylate compound and (B) a carbonate compound selected from the group consisting of dialkyl carbonates, alkylene carbonates, alkyne...
4746727 Curable composition from ethylenically unsaturated monomers and polyarylcyanate ester composition  
Polymeric compositions are prepared from ethylenically unsaturated monomeric compositions and polyarylcyanate ester compositions which have at least two arylcyanate ester moieties bridged by a...
4739029 Polymeric cyanine dye  
A polymeric tricarbocyanine dye has a rigidized chain having tricarbocyanine polymeric dye units of formula II: ##STR1## wherein Y is ##STR2## --S--, --Se--, or --O--, A is ##STR3## in which R 19 ...
4704449 Poly(iminomethylene) copolymer from isocyanides  
A poly(vinyliminomethylene) polymer having at least one recurring structural unit of the formula: ##STR1## wherein R and R', which are the same or different, are each hydrogen, a C 1 -C 8 alkyl...
4701517 Vinyl aromatic/terpene/phenol terpolymer  
Disclosed are terpolymers having a Ring and Ball softening point of 69° C. to 130° C. prepared from a vinyl-substituted aromatic hydrocarbon, a monoterpene hydrocarbon and a phenol. The...
4699966 Polymer bound calixarenes  
A linear or cross-linked polymer selected from polythioethers, polyethers, styrenic polymers, polyacrylates, and polyorganosiloxanes having a plurality of calixarene groups bound thereon, the...
4687821 Preparation, decarboxylation and polymerization of novel acid fluorides and resulting monomers  
Compounds represented by the general formulas ##STR1## are prepared by reacting halofluoropropylene oxides with fluorinated acid fluorides and ketones. These compounds may be decarboxylated to form...
4687805 Halogenated ethylene-carbon monoxide interpolymers  
Halogenated interpolymers of ethylene and carbon monoxide. The halogenated interpolymer is prepared by (a) preparing a mixture of a liquid medium and a backbone polymer having interpolymerized...
4678713 Co-extruded laminates containing carbon monoxide interpolymers  
Carbon monoxide-containing polymers are disclosed which are heatable with high frequency (HF) electromagnetic radiation, including RF-frequencies and MW-frequencies, and which are used in imparting...
4673729 Paper auxiliary from condensation product of aliphatic polyol-ether-amine and compound polyfunctional toward amino groups  
The present invention relates to agents for increasing the retention of fibres, fillers and pigments and for accelerating drainage in papermaking, and as flocculating agents in the working up of...
4668357 Method of preparing perfluoropolyethers having regulated molecular weight from the product obtained by photochemical oxidation  
A method of preparing perfluoropolyethers having a regulated molecular weight starting from the product obtained by photochemical oxidation of C 2 F 4 and having a various content of oxygen...
T107801 Process for rapidly curing a brominated fluoroelastomer  
A process for rapidly curing a fluoroelastomer which comprises mixing and heating a fluoroelastomer copolymer whose interpolymerized units consist essentially of vinylidene fluoride, at least one...
4652605 Preparation of low molecular weight polymers by vinyl addition polymerization under dilute reaction conditions using a polymeric diluent  
A polymeric reaction product, a process for its preparation and a coating composition containing the reaction product as a binder are described. The polymeric reaction product is prepared by the...
4649190 Poly(sulfide carbonate) composition and method for their preparation  
Poly(sulfide carbonate) compositions are prepared by reacting a bis(allyl)carbonate with a sulfur dihalide and optionally also with a bis- or polyallyl compound.
4640749 Electrically conductive pyrrole copolymers and their preparation  
Highly electrically conductive copolymers of pyrroles and alkynes and/or aromatics, which possess good mechanical properties coupled with a well-balanced spectrum of properties, are prepared by...
4616072 Halogenated ethylene-carbon monoxide interpolymer  
Halogenated interpolymers of ethylene and carbon monoxide. The halogenated interpolymer is prepared by (a) preparing a mixture of a liquid medium and a backbone polymer having interpolymerized...
Matches 451 - 500 out of 938 < 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >