Inventor · disambiguated record
Hans-Wilhelm Engels
Also filed as: ENGELS HANS-WILHELM
11 granted patents·257 citations·filing 1987–2001
91Inventor score
Top patents by PatentIndex Score
11 records- 0191US5130363ARubber vulcanizates having improved hysteresis behaviorBAYER AG·Filed 1991·Granted Jul 14, 1992·68 cites·3 claims
- 0288US4822845ARubber compositions modified with heterocyclic di-N-oxidesFIRESTONE TIRE & RUBBER & COMP·Filed 1987·Granted Apr 18, 1989·34 cites·29 claims
- 0388US4762870ARubber compositions modified with hydroxy-benz-imidazole oxidesFIRESTONE TIRE & RUBBER CO·Filed 1987·Granted Aug 9, 1988·37 cites·28 claims
- 0488US4761446ARubber compositions modified with benzimidazo-linonesFIRESTONE TIRE & RUBBER CO·Filed 1987·Granted Aug 2, 1988·37 cites·20 claims
- 0587US5124408ARubber mixtures containing sulfur-modified polychloroprene gelBAYER AG·Filed 1990·Granted Jun 23, 1992·50 cites·10 claims
- 0676US6534675B2Process for the preparation of zinc dithiocarbamatesBAYER AG·Filed 2001·Granted Mar 18, 2003·8 cites·3 claims
- 0767US5175349AStabilization of organic polyisocyanatesBAYER AG·Filed 1991·Granted Dec 29, 1992·17 cites·1 claims
- 0838US5416167AVulcanizable rubber compositions containing salts of partial carboxylic acid estersBAYER AG·Filed 1994·Granted May 16, 1995·3 cites·10 claims
- 0934US5006599AUse of 3,5-di-tert-butyl-4-hydroxyphenylpropionic acid for stabilizing polyether polyolsBAYER AG·Filed 1989·Granted Apr 9, 1991·2 cites·7 claims
- 1031US5028729AProcess for the production of bis-(dialkoxythio-phosphoryl)-trisulfidesBAYER AG·Filed 1990·Granted Jul 2, 1991·1 cites·9 claims
- 1129US6140427AVulcanization accelerators suitable for the introduction of polar substituentsBAYER AG·Filed 1993·Granted Oct 31, 2000·0 cites·8 claims
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