Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Integrated deethanizer/ethylene fractionation column

Integrated deethanizer/ethylene fractionation column

US Patent 6077985 · Granted Jun 20, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Integrated low pressure depropanizer/debutanizer column2001
Self-tanning, pretanning and assist tanning of pelts and skin pelts and retannin1994
Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases,1994
Catalytic distillation column reactor and tray1994
Use of copolymers based on long-chain alkyl vinyl ethers and ethylenically unsat1994
Copolymers based on long-chain olefins and ethylenically unsaturated dicarboxyli1994
Products of the condensation of phenolmonosulfonic acids, dihydroxydiphenyl sulf1992
Use of mixtures of polyglycerol fatty esters as emulsifiers in cosmetic and phar1992
Copolymers based on long-chain unsaturated esters and ethylenically unsaturated 1992
Preparation of ether sulfonates and polyglycol ether sulfonates, and products pr1990
Aqueous coal dispersions1987
Aqueous coal dispersions1987