Inventor

LEFEVRE JEAN-PAUL

FR2 patents

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

OROGIL

1 patent

US4199462AApr 22, 1980

Compositions based on alkenyl succinimides, a method of preparing them, and lubricant compositions containing them

OROGIL19 citations78

CIT ALCATEL

1 patent

US4847905AJul 11, 1989

Method of encoding speech signals using a multipulse excitation signal having amplitude-corrected pulses

CIT ALCATEL20 citations72