Inventor

STEINMETZ JEAN

FR3 patents

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

LORRAINE LAMINAGE

2 patents

US5683751ANov 4, 1997

Process for surface treatment of sheet steel partially coated with zinc or zinc alloy

LORRAINE LAMINAGE20 citations88

US5814247ASep 29, 1998

Aqueous solution for the cold-working treatment of steel sheet

LORRAINE LAMINAGE30 citations86

DERULE HERVE

1 patent

US8273189B2Sep 25, 2012

Method for treating metal surfaces by carboxylation, use of the method for temporary protection against corrosion, and method for manufacturing a shaped metal sheet thus carboxylated

DERULE HERVE3 citations49