Inventor
NEHEN ULRICH
10 patents
⚠️ This page may combine multiple inventors who share the name “NEHEN ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
9 patentsUS4428983AJan 31, 1984
Process for the production of microcapsules
BAYER AG74 citations95
US5635211AJun 3, 1997
Microcapsules having walls made of polyisocyanate/guanidine reaction products
BAYER AG29 citations91
US4847152AJul 11, 1989
Microcapsules with improved polyurea walls
BAYER AG36 citations91
US4592957AJun 3, 1986
Microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts
BAYER AG13 citations73
US4517141AMay 14, 1985
Production of microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts
BAYER AG14 citations73
US4404251ASep 13, 1983
Copying systems, a process for their production, and suitable printing inks for both offset and book printing
BAYER AG13 citations73
US3931060AJan 6, 1976
Polyurethane foam free from internal discoloration
BAYER AG12 citations73
US4882362ANov 21, 1989
Foamed microbeads and a process for their preparation
BAYER AG2 citations62
US4804687AFeb 14, 1989
Foamed microbeads and a process for their preparation
BAYER AG4 citations62