Matches 401 - 450 out of 938 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
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4918159 Styrene-based/polymercaptan polymer and process for production thereof  
Novel styrene-based polymers and a process for efficient production thereof are disclosed. The styrene-based polymers have a branching nucleus represented by the general formula: R(S) k or R(A-S)...
4916208 Novel polymers  
Novel, linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon have a high degree of monomeric unit purity. The polymers, produced with a catalyst...
4913697 Thermosetting resin composition from alkenylaryloxy triazine  
A thermosetting resin composition comprising (i) a polymaleimide compound having at least two maleimide groups in the molecule and (ii) an s-triazine compound having at least two alkenylaryloxy...
4914183 Steady state preparation of high bulk density polymer of carbon monoxide and olefins  
Linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon are produced in a continous flow reactor under conditions that result in a bulk density greater...
4914184 Polymerization of co/olefin with halo monocarboxylic acid and non hydrogen halide acid  
In the process of producing linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a catalyst composition formed from a palladium...
4906728 Acetal copolymers with backbone bromo functional groups  
The invention concerns a method for producing an acetal copolymer containing backbone bromo-functional groups comprising copolymerizing trioxane with 5,6,-dibromo-1,3-dioxepene. The invention also...
4904744 Polymer blends of carbon monoxide/olefin copolymer and poly(arylsulfone) polymer and oligomer  
Blends of a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and lesser proportions of a relatively high molecular weight...
4904759 Linear alternating polymer of carbon monoxide, olefin and conjugated diolefin  
Contacting carbon monoxide, at lease one α-olefin, and at least one conjugated diene in the presence of a catalyst composition formed by contacting a palladium compound, the anion of an acid...
4904757 Polyesters of 4,4'dihydroxybicyclohexyl  
Thermotropic semiflexible polyesters are taught which are obtained by polycondensation of 4,4'-dihydroxybicyclohexyl with at least one α,ω- alkandioic acid of general formula: HOOC-(CH 2 ) n ...
4904760 Thermosetting resin composition from cyanate ester and non-branched aromatic compound  
A thermosetting resin composition polyfunctional cyanate ester resin composition comprising: (I) a cyanate ester compound selected from the group consisting of a polyfunctional cyanate ester...
4902771 Imido-modified unsaturated polyester resin composition  
An imido-modified unsaturated polyester resin composition comprising an imido-modified unsaturated polyester obtainable by reacting an animal or vegetable fat and oil or a fatty acid thereof, an...
4898928 Polyacetal and polyketal hydrogels formed from acetals or ketals and polyols  
Water-soluble polyacetal or polyketal having the formula ##STR1## wherein R 1 , and R 2 are aliphatic, cycloaliphatic or aromatic groups, for ketals; R 1 is hydrogen and R 2 is aliphatic,...
4895927 Water soluble, self-crosslinking, polymeric condensation product of amino (meth) acrylate and phosponic acid ester  
The present invention contains a process for manufacturing a water-soluble, self-crosslinking, polymeric condensation product by reacting 1 mole di-C 1 -4 -alkylamino-C 24 alkyl(meth)acrylates...
4895926 Hydroxyethylnorbornene compounds and a process for their preparation  
Novel hydroxyethylnorbornene esters are disclosed which are prepared by reacting cyclopentadienylethanol with an acrylate ester. Novel polyesters are disclosed which are prepared by the...
4894435 Polymerization of olefin/carbon monoxide with non-transition metal salt, bidentate p ligand and carboxylic acid ester  
The process of producing linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of novel catalyst composition prepared from a...
4889913 Polymerization of olefin/CO mixture with catalyst composition comprising phenolic compound  
The present patent application relates to a process for copolymerizing a mixture of carbon monoxide and at least one olefinically unsaturated compound with catalyst compositions comprising: (a)...
4889876 Composite substance and a method for the production of the same  
A composite substance made of conjugated polymers that contain an inorganic moiety and an organic moiety in their molecule is provided. The conjugated polymers are produced from metal alkoxides and...
4889914 Preparation of carbon monoxide/olefin copolymer with removal of s/Fe from carbon monoxide monomer  
A process for preparing a polyketone wherein sulfidic sulfur and iron carbonyls present in carbon monoxide are removed therefrom before the carbon monoxide is used as feed for the preparation of...
4882417 Preparation of olefin/CO copolymer with controlled addition of catalyst composition  
An improved process for the production of polyketone polymers in the presence of a catalyst composition formed from a palladium compound, the anion of certain strong acids and certain bidentate...
4880908 Polymer blend of carbon monoxide/olefin copolymer and polycarbonate  
The invention is a polymeric composition comprising a blend of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a polycarbonate.
4880904 Polyketone-based structural adhesive  
A structural adhesive consisting of: a linear alternating copolymer or interpolymer consisting of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.
4880900 Carbon monoxide/olefin polymerization process with bis (diaryl phosphino) 2-silapropane containing catalyst  
In the process of producing a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a palladium salt, the anion of a strong...
4880903 Polyketone from carbon monoxide and mixture of olefins  
The invention is a linear random terpolymer comprised of repeating units of --CO--(C 2 H 4 )-- and units of --CO--(C x H y )-- where x is greater than 2 and less than 20, having a melting point...
4880909 Removal of catalyst residues from carbon monoxide/olefin polymers with oxidant/phosphine treatment  
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...
4880902 Copolymerization of carbon monoxide and olefin with diphosphine having heterocyclic substituents as catalyst  
Diphosphines having at least one heterocyclic substituent that includes at least one oxygen, sulphur, or nitrogen atom in a five or six membered ring are useful components in palladium catalyst...
4879358 Process for fluorinating linear alternating polyketone polymers and articles produced therefrom  
A process for treating a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a fluorine to thereby affect the water vapor transmission rate...
4877860 Catalytic copolymerization of carbon monoxide/olefin with ketone/alcohol diluent  
In the process of producing a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in a diluent in the presence of a palladium salt, the anion of a...
4877861 Carbon monoxide/olefin polymerization with disubstituted 1,3-bis phosphino propane  
In the process of producing a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a palladium salt, the anion of a strong...
4876307 Polymer processing  
Plasticized compositions exhibiting enhanced thermal processability are produced by substantially saturating a linear alternating polymer of carbon monoxide and at least one ethylenically...
4871618 Laminar structures prepared with polyketone structural adhesives  
A laminar structure consisting of a substrate and the structural adhesive consisting of: a linear alternating copolymer or interpolymer consisting of carbon monoxide and at least one...
4871831 Complete ether capping of oligomeric polyphenols  
A method is presented to prepare totally functionalized ether-capped oligomeric polyphenols without molecular weight fractionation. The products generally are very low in inorganic salts and are...
4870156 Removal of catalyst residues from olefin/carbon monoxide polymer with dithiocarbamate  
Catalyst residues are reduced in linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon produced in the presence of a Group VIII transition metal...
4870133 Polymer blend of polyketone polymers with tetrafluoroethylene  
Polymer blends comprising a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor proportion of a...
4868254 Catalytic reduction of carbon monoxide/olefin copolymer to polyalcohol  
A polymeric polyalcohol of high molecular purity is obtained by sodium botohydride reduction of a linear alternating copolymer of carbon monoxide and ethylene in a liquid-phase solution in...
4868047 Printed wiring board  
An injection molding resin-type printed wiring board having an electric circuit pattern layer formed integrally on the surface thereof and having reduced warpage. In the printed circuit board, the...
4868282 Polyketone preparation from regulated quotient mixture of olefins  
The invention is a linear random terpolymer comprised of repeating units of --CO--(C 2 H 4 )-- and units of --CO--(C x H y )-- where x is greater than 2 and less than 20, having a melting point...
4866120 Elastomeric end difunctional polymers  
Directed to functionalized saturated polymers having elastomeric characteristics and to compositions containing minor amounts thereof and to the process of making them.
4866122 Blends of polyketone polymers with polyvinyl alcohol  
A composition comprising: (a) at least one linear alternating copolymer of carbon monoxide and an ethylenically unsaturated hydrocarbon; and (b) a vinyl alcohol polymer, as well as articles...
4859764 Copolymerization of carbon monoxide and olefin with nitrogen containing phosphine ligand catalyst  
Polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, e.g., ethylene, are produced in the presence of novel catalyst compositions formed from a palladium compound, an...
4857147 Method of composite part fabrication  
A method is disclosed for the formation of three dimensional composite articles by use of an aqueous slurry containing thermoplastic powder. The slurry is retained by a rotating wheel that is...
4855132 Method of preparing bioerodible polymers having pH sensitivity in the acid range and resulting product  
Biodegradible polymers are provided which may contain a biologically active substance, e.g. a drug such as insulin, which is released over a period of time as the polymer erodes when in contact...
4855401 Removal of catalyst remnants from carbon monoxide/olefin polymers at temperatures higher than polymerization temperatures  
A linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon having enhanced purity is produced by contacting the polymer, subsequent to polymerization but...
4851470 Mineral filled polyketone blend  
A composition comprising a non-miscible blend of, as a major component, a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a lesser amount of...
4851582 Catalyst compositions and a process for polymerizing carbon monoxide and olefins  
Carbon monoxide and at least one olefinically unsaturated organic compound may be polymerized by contacting the monomers in the presence of a catalyst which comprises a Group VIII metal compound of...
4851482 Blends and articles of linear alternating polyketone polymer with polyurethane polymer  
A process for preparing a blend of a linear alternating polymer of carbon monoxide and an ethylenically unsaturated hydrocarbon and a polyurethane polymer, the novel composition, as well as...
4849504 Polymers with vinylic units and aromatic units  
A process for the preparation of polymeric compositions which comprise novel polymers and copolymers of certain 1,2-disubstituted-cyclohexadienes, aromatization of such polymers in the form of...
4849496 Ketone containing terpolymer  
A terpolymer whose backbone chain is composed of the following building units is described: ##STR1## wherein R 1 , R 2 and R 3 each is H or an alkyl group selected from among CH 3 and C 2 H 5 ....
4845181 Organic condensation polymers and method of making same  
An organic condensation polymer made by reacting in solution of first compound having at least two anionic carbon sites bonded to each other either directly or through a chain of 1 to 30 carbon...
4843145 Catalytic polymerization of CO/olefin with ortho polar substituted aryl bidentate p ligand  
An improved process for the production of linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon comprises contacting under polymerization conditions...
4843144 Polymerization of carbon monoxide/olefin with P ligand having polar aryl group  
A polymerization process for the production of linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon employs a catalyst composition formed from a...
Matches 401 - 450 out of 938 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >