Inventor · disambiguated record
Werner Stegmann
Also filed as: STEGMANN WERNER · WINTER ROLAND A E
13 granted patents·240 citations·filing 1985–1992
92Inventor score
Files withCIBA GEIGY CORP13
Top patents by PatentIndex Score
13 records- 0198US5240975ALiquid substituted 2H-benzotriazole mixtures, stabilized compositionsCIBA GEIGY CORP·Filed 1991·Granted Aug 31, 1993·117 cites·6 claims
- 0291US4921966AProcess for the preparation of liquid mixtures of alkylated 2-(2-hydroxyphenyl)benzotriazolesCIBA GEIGY CORP·Filed 1988·Granted May 1, 1990·26 cites·16 claims
- 0387US4973701ALiquid substituted 2H-benzotriazole mixtures, stabilized compositions and processes for preparing the liquid mixturesCIBA GEIGY CORP·Filed 1988·Granted Nov 27, 1990·25 cites·23 claims
- 0482US5229521AProcess for the preparation of symmetrical 2,2-methylenebisbenzotriazolyl phenolsCIBA GEIGY CORP·Filed 1992·Granted Jul 20, 1993·25 cites·10 claims
- 0580US4874885AProcess for the preparation of mercaptomethylphenolsCIBA GEIGY CORP·Filed 1987·Granted Oct 17, 1989·17 cites·10 claims
- 0662US5095062AStabilized compositions containing liquid substituted 2H-benzotriazole mixturesCIBA GEIGY CORP·Filed 1990·Granted Mar 10, 1992·9 cites·7 claims
- 0762US4691058AProcess for producing 1-hydroxy ketonesCIBA GEIGY CORP·Filed 1985·Granted Sep 1, 1987·7 cites·11 claims
- 0857US4623745AProcess for producing phenolic thiocarboxylic estersCIBA GEIGY CORP·Filed 1985·Granted Nov 18, 1986·5 cites·8 claims
- 0941US4863982AIsocyanuric acid derivativesCIBA GEIGY CORP·Filed 1988·Granted Sep 5, 1989·5 cites·19 claims
- 1040US5157141AProcess for the preparation of hydroxybenzylphosphonatesCIBA GEIGY CORP·Filed 1990·Granted Oct 20, 1992·2 cites·16 claims
- 1137US5258540ACyclohexyl substituted hydroxybenyzlphosphonatesCIBA GEIGY CORP·Filed 1992·Granted Nov 2, 1993·1 cites·1 claims
- 1235US5110978AProcess for the preparation of phenolic thiocarboxylic acid estersCIBA GEIGY CORP·Filed 1990·Granted May 5, 1992·1 cites·10 claims
- 1331US5047591ASingle-stage process for producing bis-(amino-nitrophenyl)-methaneCIBA GEIGY CORP·Filed 1988·Granted Sep 10, 1991·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →