Inventor
KAROL FREDERICK JOHN
US28 patents
⚠️ This page may combine multiple inventors who share the name “KAROL FREDERICK JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNION CARBIDE CHEM PLASTIC
15 patentsUS5648310AJul 15, 1997
Spray dried, filled metallocene catalyst composition for use in polyolefin manufacture
UNION CARBIDE CHEM PLASTIC140 citations98
US5672669ASep 30, 1997
Spray dried, filled metallocene catalyst composition for use in polyolefin manufacture
UNION CARBIDE CHEM PLASTIC99 citations97
US6069213AMay 30, 2000
Mixed catalyst system
UNION CARBIDE CHEM PLASTIC163 citations96
US5852146ADec 22, 1998
Catalyst for the production of olefin polymers
UNION CARBIDE CHEM PLASTIC36 citations96
US5852143ADec 22, 1998
Production of polyethylene using stereoisomeric metallocenes
UNION CARBIDE CHEM PLASTIC98 citations96
US5747406AMay 5, 1998
Catalyst composition for the production of olefin polymers
UNION CARBIDE CHEM PLASTIC81 citations96
US5674795AOct 7, 1997
Spray dried, filled metallocene catalyst composition for use in polyolefin manufacture
UNION CARBIDE CHEM PLASTIC63 citations95
US6069109AMay 30, 2000
Process for the production of half-sandwich transition metal based catalyst precursors
UNION CARBIDE CHEM PLASTIC47 citations93
US5756416AMay 26, 1998
Catalyst composition having improved comonomer reactivity
UNION CARBIDE CHEM PLASTIC21 citations92
US6177527B1Jan 23, 2001
Process for the preparation of polyethylene or polypropylene
UNION CARBIDE CHEM PLASTIC21 citations91
US6136747AOct 24, 2000
Mixed catalyst composition for the production of olefin polymers
UNION CARBIDE CHEM PLASTIC23 citations86
US6281320B1Aug 28, 2001
Use of chelatable phenols with metallocene- aluminoxane catalyst systems
UNION CARBIDE CHEM PLASTIC10 citations74
US6232256B1May 15, 2001
Catalyst composition for the polymerization of olefins
UNION CARBIDE CHEM PLASTIC7 citations73
US6028151AFeb 22, 2000
Catalyst composition having improved comonomer reactivity
UNION CARBIDE CHEM PLASTIC14 citations73
US5644023AJul 1, 1997
Process for the manufacture of copolymers of ethylene and carbon monoxide
UNION CARBIDE CHEM PLASTIC1 citations45
UNION CARBIDE CORP
8 patentsUS4077904AMar 7, 1978
Olefin polymerization process and catalyst therefor
UNION CARBIDE CORP137 citations97
US4101445AJul 18, 1978
Preparation of modified and activated chromocene catalysts for ethylene polymerization
UNION CARBIDE CORP93 citations94
US4100105AJul 11, 1978
Titanium-modified silyl chromate catalysts for ethylene polymerization
UNION CARBIDE CORP69 citations94
US4086408AApr 25, 1978
Ethylene polymerization with silane modified catalyst
UNION CARBIDE CORP46 citations92
US4100337AJul 11, 1978
Olefin polymerization process and catalyst therefor
UNION CARBIDE CORP16 citations82
US4086409AApr 25, 1978
Ethylene polymerization with siloxane modified catalyst
UNION CARBIDE CORP7 citations70
US4115425ASep 19, 1978
Cyclopentadienyl chromium oxides
UNION CARBIDE CORP6 citations68
US4065612ADec 27, 1977
Phenol modified polymerization catalyst and polymerization process
UNION CARBIDE CORP11 citations66
UNIVATION TECH LLC
4 patentsUS6093824AJul 25, 2000
Catalyst for the production of olefin polymers
UNIVATION TECH LLC36 citations96
US6159617ADec 12, 2000
Ethylene polymers having superior clarity enhanced toughness, low extractables, and processing ease
UNIVATION TECH LLC82 citations94
US6380390B1Apr 30, 2002
Catalyst for the production of olefin polymers
UNIVATION TECH LLC4 citations73
US6066703AMay 23, 2000
Process for the production of olefin polymers
UNIVATION TECH LLC2 citations62