Inventor
KLENDWORTH DOUGLAS D
US27 patents
⚠️ This page may combine multiple inventors who share the name “KLENDWORTH DOUGLAS D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
13 patentsUS5171798ADec 15, 1992
Fluorided aluminas, catalysts, and polymerization processes
PHILLIPS PETROLEUM CO53 citations96
US4693991ASep 15, 1987
Hydrotreating catalyst composition
PHILLIPS PETROLEUM CO52 citations96
US5221720AJun 22, 1993
Fluorided aluminas, catalysts, and polymerization processes
PHILLIPS PETROLEUM CO21 citations93
US5221654AJun 22, 1993
Fluorided aluminas, catalysts, and polymerization processes
PHILLIPS PETROLEUM CO41 citations93
US5219817AJun 15, 1993
Fluorided aluminas, catalysts, and polymerization processes
PHILLIPS PETROLEUM CO47 citations93
US5001204AMar 19, 1991
Alumina phosphated with partial ester
PHILLIPS PETROLEUM CO32 citations93
US4788171ANov 29, 1988
Phosphated calcined alumina
PHILLIPS PETROLEUM CO42 citations92
US4655906AApr 7, 1987
Hydrotreating process employing a novel catalytic composition
PHILLIPS PETROLEUM CO50 citations92
US5221655AJun 22, 1993
Florided aluminas, catalysts, and polymerization processes
PHILLIPS PETROLEUM CO10 citations74
US5219962AJun 15, 1993
Fluorided aluminas, catalysts, and polymerization processes
PHILLIPS PETROLEUM CO12 citations74
US5043514AAug 27, 1991
Ethylene dimerization and polymerization
PHILLIPS PETROLEUM CO9 citations74
US4960748AOct 2, 1990
Alumina phosphated with partial ester
PHILLIPS PETROLEUM CO12 citations74
US5141624AAug 25, 1992
Catalytic cracking process
PHILLIPS PETROLEUM CO15 citations70
EQUISTAR CHEM LP
9 patentsUS6656995B2Dec 2, 2003
Process for producing olefin polymer composites having improved melt strength
EQUISTAR CHEM LP23 citations92
US6646072B2Nov 11, 2003
Process for making polyolefin compositions containing exfoliated clay
EQUISTAR CHEM LP17 citations92
US6395669B1May 28, 2002
Catalyst component and system
EQUISTAR CHEM LP34 citations88
US6630544B1Oct 7, 2003
Propylene polymerization process with enhanced catalyst activity
EQUISTAR CHEM LP13 citations81
US6967231B1Nov 22, 2005
Olefin polymerization process
EQUISTAR CHEM LP11 citations74
US6800703B1Oct 5, 2004
Method for preparing propylene polymers having broad molecular weight distribution
EQUISTAR CHEM LP10 citations74
US6093673AJul 25, 2000
Polymerization system with organosilicon compound
EQUISTAR CHEM LP5 citations63
US7402546B2Jul 22, 2008
Magnesium chloride support
EQUISTAR CHEM LP3 citations60
US6979718B2Dec 27, 2005
Process for making polyolefin compositions containing exfoliated clay
EQUISTAR CHEM LP1 citations52