Inventor

TESSMANN DETLEF

DE3 patents

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

SCHERING AG

2 patents

US5112513AMay 12, 1992

Solution and process for etching and activating surfaces of a nonconductive substrate

SCHERING AG21 citations77

US4940554AJul 10, 1990

Conditioning agent for the treatment of base materials

SCHERING AG5 citations69

GRAPENTIN HANS JOACHIM

1 patent

US4781990ANov 1, 1988

Conditioning agent for the treatment of base materials

GRAPENTIN HANS JOACHIM10 citations65