Inventor
STREICHER ROLF
DE13 patents
⚠️ This page may combine multiple inventors who share the name “STREICHER ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
12 patentsUS5972050AOct 26, 1999
Dye mixtures containing polyazo dyes and CI Sulphur Black 1 dye
BASF AG33 citations92
US4888412ADec 19, 1989
Tanning assistant
BASF AG18 citations73
US4983185AJan 8, 1991
Dyeing of leather with pigments
BASF AG8 citations72
US4596581AJun 24, 1986
Carboxyl- and amino-containing copolymer for after-tanning mineral tanned leather
BASF AG13 citations72
US4403993ASep 13, 1983
Preparation of water-soluble or self-dispersing resin tanning agents
BASF AG8 citations72
US5224963AJul 6, 1993
Quaternized condensation products for aftertreating dyed leather
BASF AG2 citations62
US4936864AJun 26, 1990
Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants, their preparation and use in the tanning of leather
BASF AG6 citations62
US4377387AMar 22, 1983
Deliming hides
BASF AG3 citations62
US4272243AJun 9, 1981
Dyeing of grain leather
BASF AG6 citations61
US4729768AMar 8, 1988
Deliming of hides and use of cyclic esters of sulfurous acid as deliming agents
BASF AG0 citations51
US4675021AJun 23, 1987
Amphoteric condensates and their use in retanning
BASF AG1 citations51
US4322210AMar 30, 1982
Auxiliary, and process, for the soaking of hides
BASF AG1 citations51