Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Carbonylation of olefinically unsaturated nitriles and acids using a sulfone solvent

Carbonylation of olefinically unsaturated nitriles and acids using a sulfone solvent

US Patent 4508660 · Granted Apr 2, 1985

Estimated economic value: $8,885,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for reproducing a mixture containing cyclododecanone and cyclododecanol1999
Purification of 2-methylglutaronitrile or adiponitrile1994
Purification of aminonitriles or diamines1993
Purification of 6-aminocapronitrile1992
Removal of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with rea1992
Purification of 6-aminocapronitrile1992
Manufacture of 5-cyanovaleric acid and its esters using cyclic cosolvents1990
Manufacture of 5-cyanovaleric acid and its esters1990