Inventor

TSIEN GRACE

US3 patents

⚠️ This page may combine multiple inventors who share the name “TSIEN GRACE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RHONE POULENC IND

1 patent

US4405805ASep 20, 1983

Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives

RHONE POULENC IND3 citations59

RHONE POULENC AGROCHIMIE

1 patent

US4401623AAug 30, 1983

Use of calcium chloride to minimize hydrofluoric acid corrosion to glass during the chlorination of 4-chlorobenzotrifluoride

RHONE POULENC AGROCHIMIE4 citations59

RHONE PULENC INC

1 patent

US4594440AJun 10, 1986

Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives

RHONE PULENC INC6 citations54