Inventor

LEDOUX WILL A

3 patents

Patents

3 patents

US4739040AApr 19, 1988

Surfactants from lignin

TEXACO INC57 citations94

US4787454ANov 29, 1988

Recovering hydrocarbons with surfactants from lignin

TEXACO INC20 citations80

US4113013ASep 12, 1978

Asphaltenes as sacrificial agents in oil recovery processes

TEXACO INC10 citations71