Inventor

HANSMANN WILFRIED

DE4 patents

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

DYSTAR TEXTILFARBEN GMBH & CO

2 patents

US6060591AMay 9, 2000

Water-soluble fiber-reactive dyes, processes for their preparation, and their use

DYSTAR TEXTILFARBEN GMBH & CO10 citations71

US6046311AApr 4, 2000

Water-soluble fiber-reactive dyes, preparation thereof and use thereof

DYSTAR TEXTILFARBEN GMBH & CO0 citations39

BAYER AG

2 patents

US5712394AJan 27, 1998

Process for preparing 2,4,6-trichloropyrimidine

BAYER AG1 citations49

US5498700AMar 12, 1996

Naphthylazonaphthol dyes which contain a 5-chloro-6-fluoropyrimidin-4-yl reactive group

BAYER AG0 citations48