Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Novel purification process

Novel purification process

US Patent 4277408 · Granted Jul 7, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Resolution of D,L-cis and D,L-trans 2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropan1982
Resolution of D,L-cis and D,L-trans 2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropan1982
Novel synergistic insecticides1981
Process for the preparation of 4-chloroquinolines1981
Process for the preparation of 4-chloroquinolines1981
Resolution process using L or D N-methyl-ephedrine1981
Resolution process using L or D N-methyl-ephedrine1981