Inventor

WELBORN HOWARD C

US8 patents

Patents

8 patents

US5266223ANov 30, 1993

Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives

EXXON CHEMICAL PATENTS INC142 citations98

US5229022AJul 20, 1993

Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)

EXXON CHEMICAL PATENTS INC136 citations98

US5759967AJun 2, 1998

Ethylene α-olefin/diene interpolymer-substituted carboxylic acid dispersant additives

EXXON CHEMICAL PATENTS INC26 citations92

US5681799AOct 28, 1997

Ethylene alpha-olefin/diene interpolymer-substituted carboxylic acid dispersant additives

EXXON CHEMICAL PATENTS INC31 citations92

US5277833AJan 11, 1994

Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid lubricant dispersant additives

EXXON CHEMICAL PATENTS INC42 citations91

US5435926AJul 25, 1995

Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives

EXXON CHEMICAL PATENTS INC14 citations82

US5433757AJul 18, 1995

Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives

EXXON CHEMICAL PATENTS INC10 citations74

US5350532ASep 27, 1994

Borated ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives

EXXON CHEMICAL PATENTS INC13 citations74