Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
06/1981
06/30/1981CA1104118A1 High efficiency catalysts for olefin polymerization
06/02/1981US4271280 Process for producing polyethylene
05/1981
05/27/1981EP0029232A1 Components of catalysts for the polymerization of olefines
05/26/1981US4269948 Using a low and high concentration of hydrogen to produce high and low-molecular-weight polymers, respectively; expansion; mixing
05/12/1981US4267293 And including titanium tetrachloride and organoaluminum compounds
04/1981
04/21/1981US4263422 Polymerization of olefins with dual, independently supported catalysts
04/14/1981CA1099249A1 Process for the polymerization of alkenes
03/1981
03/25/1981EP0025530A2 Process for the production of polyisobutenes
03/24/1981CA1098249A1 Process for chlorinating ethylene polymers
02/1981
02/24/1981US4252710 Stabilized slurries of isoolefin polymers
01/1981
01/20/1981US4246137 Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts
01/07/1981EP0021478A1 A process for the stereospecific polymerization of an alpha-olefin and an alpha-olefin polymerization catalyst system
01/06/1981US4243463 Method of producing cross laminates
01/06/1981CA1093248A1 Phenolic antioxidants with polymer tails
12/1980
12/16/1980US4239873 Coordination catalyst and cocatalyst
12/16/1980US4239871 Process for polymerization of butene
12/02/1980CA1090766A1 Olefin polymerization catalyst comprising a monoterpenic ketone and process employing same
11/1980
11/18/1980CA1090044A1 Manufacture of low density ethylene polymers of improved homogeneity
11/12/1980EP0018883A1 Process for reducing the risks of inflammation and explosion as a result of the decomposition of ethylene under high pressure, and device for carrying out the process
11/12/1980EP0018882A1 Process for reducing the risks of inflammation and explosion as a result of the decomposition of ethylene under high pressure, and device for carrying out the process
11/12/1980EP0018881A1 Process for reducing the risks of inflammation and explosion as a result of the decomposition of ethylene under high pressure, and device for carrying out the process
11/11/1980CA1089599A1 Ethylene polymerization
10/1980
10/21/1980US4229416 Dual reactor apparatus for polymerizing ethylene
10/07/1980US4226741 Organoaluminum compound, lewis base, halogenated magnesium compound, and a titanium compound
09/1980
09/16/1980US4222986 Nozzles to return solvent-diluent as small-drop spray
08/1980
08/26/1980US4219444 Ethylene polymerization catalysts
08/12/1980CA1083561A1 Catalysts for polymerizing alpha-olefins and process for polymerizing alpha-olefins in contact with said catalysts
08/12/1980CA1083560A1 Phenol modified polymerization catalyst, polymerization process and product
07/1980
07/22/1980US4214063 Autorefrigerated polymerization process
07/09/1980EP0013229A1 Process for widening the molecular distribution of polyethylene by using two reactors and two separators, and apparatus for carrying it out
07/01/1980US4210737 Synthesis of substituted cyclopentadienes and cyclopentadiene-functionalized polymers
06/1980
06/25/1980EP0012605A1 Shaped products of polypropylene
06/25/1980EP0012259A1 Process for the production of layered products and such layered products
06/25/1980EP0012148A1 Process for the preparation of high density ethylene polymers in fluid bed reactor
06/25/1980EP0012147A1 Process for the preparation of high density ethylene polymers in fluid bed reactor
06/24/1980CA1080208A1 Method for olefin polymerization
06/24/1980CA1080206A1 Olefin polymerization catalyst
06/17/1980US4208304 Catalyst system for producing ethylene polymers
05/1980
05/13/1980CA1077462A1 Process for the polymerization of alpha-olefins, catalyst employed in said process and method for the preparation thereof
05/13/1980CA1077461A1 Process for the polymerization of alpha-olefins catalyst employed in said process and method for the preparation thereof
04/1980
04/29/1980US4200145 Method of preheating a liquid reaction mass of polyolefin dissolved in liquid monomer
04/22/1980CA1076300A1 Process for producing polypropylene
04/08/1980US4197386 Process for chlorinating ethylene polymers
04/01/1980CA1074948A1 Vapor phase reactor off-gas recycle system for use in the vapor state polymerization of monomers
03/1980
03/25/1980CA1074499A1 Process for the high pressure production of polyethylene
03/18/1980US4194074 Polymerization process
03/11/1980US4192775 Olefin polymerization catalyst
03/04/1980US4191821 Process for purifying recirculating gases of condensed polymer particles
03/04/1980CA1073149A1 Process for producing polypropylene
02/1980
02/12/1980US4188470 Process for polymerizing ethylene in a gaseous phase
01/1980
01/29/1980CA1070899A1 Manufacture of high pressure polyethylene
01/22/1980CA1070449A1 Manufacture of high pressure polyethylene
01/15/1980US4184028 Supported organophosphoryl chromium product and an aluminum compound
01/15/1980CA1069876A1 Catalyst for alpha-olefin polymerization, method for its preparation and polymerization process employing such catalyst
01/09/1980EP0006619A2 Process for purifying propylene
12/1979
12/11/1979CA1068048A1 Ethylene polymerization catalysts
12/04/1979US4177340 Manufacture of high-pressure polyethylene
11/1979
11/28/1979EP0005550A1 Titanium-vanadium catalyst and process for ethylene polymerization
11/20/1979US4175169 Production of polyethylene
11/13/1979USRE30148 Melt finishing process for polymers produced by vapor state polymerization processes
11/06/1979US4173697 Continuous high pressure mass processes for the polymerization of ethylene
10/1979
10/30/1979CA1065545A1 Manufacture of high pressure polyethylene
10/30/1979CA1065544A1 Process for the high pressure production of polyethylene
10/17/1979EP0004646A2 Process for preparing polymerization catalyst and process for ethylene homopolymerization
10/03/1979EP0004460A1 Improved synthesis of 1,4-diaza-2-cycloalkanone and substituted derivatives thereof
10/02/1979US4169929 Manufacture of low density ethylene polymers of improved homogeneity
08/1979
08/07/1979CA1059977A1 Catalyst for the polymerization of alpha-olefins
06/1979
06/27/1979EP0002522A1 Process for polymerizing butene-1
06/26/1979CA1057273A1 Catalyst for the polymerization of alpha-olefins
05/1979
05/08/1979US4153576 Ethylene polymerization catalyst
05/01/1979CA1053848A1 Divided horizontal reactor for the vapor phase polymerization of monomers at different hydrogen levels
05/01/1979CA1053847A1 Melt finishing process for polymers produced by vapor state polymerization processes
05/01/1979CA1053846A1 Horizontal reactor for the vapor phase polymerization of monomers
04/1979
04/24/1979US4151110 Alpha olefin polymerization catalyst comprising an alkyl halide and a combination product of TiCl3 and transition metal chloride of vanadium, manganese, cobalt or iron
03/1979
03/27/1979US4146695 Chromium-based catalysts for the polymerization of 1-alkenes
02/1979
02/20/1979CA1049192A1 Ethylene polymerization process
02/06/1979US4138441 Synthesis of substituted cyclopentadienes and cyclopentadiene-functionalized polymers
01/1979
01/23/1979US4136061 Continuous, multiple zone fluidized bed for particle treater
01/16/1979US4135046 Tetrabutyl titanate, magnesium-aluminum alkyl coordination catalyst
01/16/1979US4135044 Process for achieving high conversions in the production of polyethylene
01/16/1979CA1046696A1 Polymerisation process
01/16/1979CA1046534A1 Process for the preparation of linear alpha-olefin oligomers, subsequent hydrogenation thereof and saturated products thus obtained
01/16/1979CA1046533A1 Process for the preparation of linear alpha-olefin oligomers, subsequent hydrogenation thereof and saturated products thus obtained
01/16/1979CA1046492A1 Process for preparing highly stereoregular polyolefins and catalyst used therefor
01/09/1979US4133944 Medium pressure, transition metal catalyst
01/02/1979US4132663 Hexene-octadecene copolymer
12/1978
12/12/1978US4129701 Horizontal reactor for the vapor phase polymerization of monomers
11/1978
11/21/1978US4126576 Process for preparation of catalytic components for polymerization of α-olefins
11/14/1978US4125698 Polymerization of ethylenically unsaturated hydrocarbons
11/07/1978US4124530 Titanium trichloride
11/07/1978CA1042144A1 Process for preparing polyolefins
10/1978
10/31/1978US4123600 Process for the high pressure production of polyethylene
10/10/1978CA1040336A1 Process for the production of poly-alpha-olefin fibrous gels
09/1978
09/19/1978US4115425 Cyclopentadienyl chromium oxides
09/12/1978US4113790 Process for the preparation of linear alpha-olefin oligomers, subsequent hydrogenation thereof and saturated products thus obtained
08/1978
08/29/1978US4110524 Direct production of polymorph iii of isotactic polybutene-1
08/22/1978US4109071 Complex organo-metallic solid catalyst containing magnesium, titanium, zirconium and aluminum
08/15/1978US4107144 Phenolic antioxidants with polymer tails
08/15/1978CA1036583A1 Manufacture of a modified titanium component for ziegler-natta catalysts
07/1978
07/04/1978US4098976 Process for the production of olefin polymers using an organo-phosphorus catalyst compound