Inventor
VON TREBRA ROBERT J
US7 patents
⚠️ This page may combine multiple inventors who share the name “VON TREBRA ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST CELANESE CORP
4 patentsUS5360688ANov 1, 1994
Composite black and white substrate for color proofing films
HOECHST CELANESE CORP3 citations60
US5300395AApr 5, 1994
Partially translucent white film having a metallized surface
HOECHST CELANESE CORP3 citations60
US5288570AFeb 22, 1994
Composite black and white substrate for color proofing films
HOECHST CELANESE CORP3 citations60
US5246812ASep 21, 1993
Partially translucent white film having a metallized surface
HOECHST CELANESE CORP4 citations60