Inventor · disambiguated record
Udo Birkenstock
Also filed as: BIRKENSTOCK UDO · BIRKENSTOCK UDO DR
17 granted patents·453 citations·filing 1976–1993
95Inventor score
Top patents by PatentIndex Score
17 records- 0197US4407733ASupported catalysts and process for their preparationBAYER AG·Filed 1981·Granted Oct 4, 1983·64 cites·27 claims
- 0295US4764498ASilica-containing shaped articles and a process for their preparationBAYER AG·Filed 1985·Granted Aug 16, 1988·84 cites·26 claims
- 0394US4265834AProcess for the catalytic hydrogenation of nitrobenzeneBAYER AG·Filed 1979·Granted May 5, 1981·38 cites·17 claims
- 0489US4792626AProduction of aromatic diamino compounds using a modified Raney catalystBAYER AG·Filed 1986·Granted Dec 20, 1988·61 cites·4 claims
- 0586US5090997AProcess for producing powdered aluminum alloysBAYER AG·Filed 1991·Granted Feb 25, 1992·40 cites·8 claims
- 0681US4059627AChlorinated aromatic aminesBAYER AG·Filed 1976·Granted Nov 22, 1977·14 cites·13 claims
- 0775US4774221ASupported hydrogenation catalystsBAYER AG·Filed 1986·Granted Sep 27, 1988·30 cites·6 claims
- 0873US5135903AProcess for the production of pellets of metal powder as catalystsBAYER AG·Filed 1991·Granted Aug 4, 1992·16 cites·3 claims
- 0969US5120875AProcess for the preparation of chlorine-substituted aromatic aminesBAYER AG·Filed 1990·Granted Jun 9, 1992·12 cites·7 claims
- 1069US4176092AProcess for the depyrophorization of pyrophoric metal catalysts and catalysts prepared by the processBAYER AG·Filed 1977·Granted Nov 27, 1979·15 cites·23 claims
- 1164US5253993AApparatus for the production of pellets of metal powder used as catalystsBAYER AG·Filed 1992·Granted Oct 19, 1993·20 cites·5 claims
- 1262US5410085AProcess for the preparation of chlorine-substituted aromatic amines and of catalystsBAYER AG·Filed 1993·Granted Apr 25, 1995·22 cites·10 claims
- 1362US4224248AProcess for the depyrophorization of pyrophoric metal catalysts and uses thereofBAYER AG·Filed 1978·Granted Sep 23, 1980·12 cites·6 claims
- 1459US5248840AProcess for the preparation of hydrooxydiphenylsBAYER AG·Filed 1992·Granted Sep 28, 1993·6 cites·12 claims
- 1558US5288894AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1992·Granted Feb 22, 1994·6 cites·18 claims
- 1652US5231213AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1992·Granted Jul 27, 1993·10 cites·17 claims
- 1728US5135665AMultichamber-candle filter elementMUELLER DRM AG·Filed 1991·Granted Aug 4, 1992·3 cites·13 claims
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