Matches 201 - 250 out of 260 < 1 2 3 4 5 6 >
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3860568 NOVEL POLYMERIZATION INITIATOR AND PROCESS FOR POLYMERIZATION USING THE SAME  
A process for the polymerization of an olefinic monomer by contacting the monomer with a polymerization initiator having an oxidizing agent, a chelating compound of the metal, in which the metal is...
3684781 ADJUSTING THE VISCOSITY OF POLYALKENAMERS  
The molecular weight of cycloolefin polymers is adjusted by effecting the catalytic polymerization of cycloolefins in organic solvents in the presence of from 0.001 to 1 percent of an 1-olefin.
3684787 PREPARATION OF POLYALKENAMERS  
Aromatic and aliphatic nitro compounds as cocatalysts to improve organometal mixed catalysts for polymerizing cycloalkenes under ring opening.
3532680 POLYMERIZATION BY CONTACT WITH MATERIALS HAVING POSITIVE HOLES THEREIN  
3520826 CATALYST COMPOSITIONS AND THEIR PREPARATION  
3520856 PROCESS FOR THE PRODUCTION OF POLYMERS FROM CYCLOMONOOLEFINS AND DIENES HAVING A PREDETERMINED MOLECULAR WEIGHT AND THE POLYMERS THEREOF  
3502640 CATALYTIC PROCESS FOR THE POLYMERIZATION OF OLEFINS  
3501415 METAL ALLYL CATALYST FOR HOMO- AND COPOLYMERIZING OLEFINICALLY UNSATURATED COMPOUNDS  
3496252 PROCESS FOR PREPARING ALPHA-OLEFIN HOMOPOLYMERS AND COPOLYMERS OF HIGH CRYSTALLINITY FROM AN ALPHA-OLEFIN OF AT LEAST THREE CARBON ATOMS AND CATALYST THEREFOR  
3480604 ETHYLENE POLYMERISATION PROCESS IN THE PRESENCE OF FREE RADICALS AND SOLID CATALYSTS INCLUDING CERTAIN TRIHALIDES OF VANADIUM OR TITANIUM  
3468866 PROCESS FOR POLYMERIZING BUTADIENE IN THE PRESENCE OF REACTION PRODUCTS OF PI-ALLYLIC COMPLEXES OF TRANSITION METAL AND ORGANIC ELECTRON ACCEPTORS  
3432445 CATALYST COMPOSITIONS BASED ON BIVALENT METALS AND THE APPLICATION THEREOF,PARTICULARLY FOR THE POLYMERIZATION OF CYCLIC ETHERS  
3427256 DOUBLE METAL CYANIDE COMPLEX COMPOUNDS  
3427260 POLYMERIZATION OF 1,2 OR 1,3-EPOXIDES WITH A CATALYST COMPRISED OF TRIVALENT METAL CARBOXYLATE  
3392160 Cocatalyst compositions  
3378539 Process and catalyst for production of solid polymers  
3331827 Polymerization catalyst  
3328378 Method for polymerizing unsaturated organic compounds  
3326877 Catalysts and process for polymerization  
3324092 Production of polymers of olefines  
3318858 Method for polymerizing olefins in the presence of a coordination catalyst modified b the presence of a sulfur containing compound  
3293326 Dyeable interpolymers consisting of alpha-olefins and a nitrogen containing compound  
3288771 Process and catalyst for the polymerization of acrylic monomers  
3285891 Halogen-free polymerization catalysts  
3285896 Polymerization of vinyl ethers  
3285892 Polymerization of vinyl heterocyclic compounds  
3280096 Polymerization catalysts  
3278459 Method of making a polyether using a double metal cyanide complex compound  
3278458 Method of making a polyether using a double metal cyanide complex compound  
3278457 Method of making a polyether using a double metal cyanide complex compound  
3264278 Polymerization catalysts and processes therefor  
3221002 Process for polymerization utilizing a surface treated inorganic solid catalyst  
3218266 Olefin polymerization catalysts  
3208985 Olefin polymerization with a heavy metal compound-organohydrogen siloxane catalyst  
3189589 Polymerization of olefins with a titanium halide-transition metal borohydride catalyst  
3174956 New method of polymerizing acetylene  
3173902 Transition metal catalyst system  
3166542 Surface treated inorganic solid polymerization catalyst and method of polymerization therewith  
3157626 Preparation of crystalline poly (vinyl alkyl ethers) with a catalyst formed from a transition metal fluoride and a metal alkoxide  
3114742 Removal of catalyst from polyolefin by treating with water and oxidizing agent  
3075957 Catalytic process  
3038863 Polymerization catalyst  
3025283 Process for the polymerization of vinyl ethers  
3000870 Alkyl and aryl bis (cyclopentadienyl) titanium-titanium tetrachloride polymerization catalysts and process for polymerizing olefins therewith  
2980662 Manufacture of olefin polymers  
2891040 Ethylene polymerization process  
2887473 Polymerization of ethylene  
2779751 Polymerization process using sulfonecontaining accelerators  
3821181 Title is not available  
3798202 Title is not available  
Matches 201 - 250 out of 260 < 1 2 3 4 5 6 >