Inventor · disambiguated record
Ulrich Nehen
Also filed as: NEHEN ULRICH
10 granted patents·1 pending application·198 citations·filing 1974–2001
90Inventor score
Top patents by PatentIndex Score
11 records- 0194US4428983AProcess for the production of microcapsulesBAYER AG·Filed 1981·Granted Jan 31, 1984·74 cites·6 claims
- 0287US4847152AMicrocapsules with improved polyurea wallsBAYER AG·Filed 1987·Granted Jul 11, 1989·36 cites·5 claims
- 0377US4517141AProduction of microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adductsBAYER AG·Filed 1983·Granted May 14, 1985·14 cites·4 claims
- 0471US4404251ACopying systems, a process for their production, and suitable printing inks for both offset and book printingBAYER AG·Filed 1982·Granted Sep 13, 1983·13 cites·16 claims
- 0571US3931060APolyurethane foam free from internal discolorationBAYER AG·Filed 1974·Granted Jan 6, 1976·12 cites·7 claims
- 0667US4592957AMicrocapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adductsBAYER AG·Filed 1985·Granted Jun 3, 1986·13 cites·6 claims
- 0766US5635211AMicrocapsules having walls made of polyisocyanate/guanidine reaction productsBAYER AG·Filed 1995·Granted Jun 3, 1997·29 cites·9 claims
- 0844US4804687AFoamed microbeads and a process for their preparationBAYER AG·Filed 1988·Granted Feb 14, 1989·4 cites·4 claims
- 0937US2002009495A1Microcapsules obtainable using protein hydrolysate emulsifierFiled 2001·Application pending·0 cites
- 1036US4882362AFoamed microbeads and a process for their preparationBAYER AG·Filed 1988·Granted Nov 21, 1989·2 cites·9 claims
- 1124US4687853AImidazo[1,5-A]pyridylmethanesRUNZHEIMER HANS VOLKER·Filed 1985·Granted Aug 18, 1987·1 cites·6 claims
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