Inventor
SCHAFER WALTER
DE16 patents
⚠️ This page may combine multiple inventors who share the name “SCHAFER WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
15 patentsUS4088665AMay 9, 1978
Process for the partial carbodiimidization of organic isocyanates
BAYER AG137 citations95
US6323375B1Nov 27, 2001
Crystalline double metal cyanide catalysts for producing polyether polyols
BAYER AG31 citations92
US6291388B1Sep 18, 2001
Double metal cyanide catalysts for producing polyether polyols
BAYER AG41 citations92
US4077989AMar 7, 1978
Process for the production of modified polyisocyanates
BAYER AG51 citations92
US4193889AMar 18, 1980
Microencapsulation with modified aliphatic polyisocyanates
BAYER AG46 citations91
US6624286B2Sep 23, 2003
Double-metal cyanide catalysts containing polyester for preparing polyether polyols
BAYER AG13 citations83
US4067820AJan 10, 1978
High molecular weight, insoluble carbodiimidization catalysts
BAYER AG22 citations82
US4028310AJun 7, 1977
Process for the production of polyureas
BAYER AG27 citations81
US4192925AMar 11, 1980
Polyhydroxyl compounds containing guanidine groups
BAYER AG12 citations74
US4174433ANov 13, 1979
Polyhydroxyl compounds containing guanidine groups useful in preparation of polyurethane foams
BAYER AG11 citations74
US4172936AOct 30, 1979
Polyhydroxyl compounds containing acyl urea groups useful in preparation of polyurethane foams
BAYER AG7 citations74
US4119565AOct 10, 1978
Production of microcapsules, and the resulting microcapsules
BAYER AG11 citations72
US4192926AMar 11, 1980
Polyhydroxyl compounds containing acyl urea groups
BAYER AG6 citations63
US4174435ANov 13, 1979
Polyhydroxyl compounds containing phosphonoformamidine groups prepared from diisocyanatocarbodiimides, polyhdroxyl compounds and a phosphite
BAYER AG2 citations63
US4192927AMar 11, 1980
Polyhydroxyl compounds containing phosphonormamidine groups
BAYER AG0 citations42