Ingeborg Stein — 13 Patents at Merck

Ingeborg Stein has been granted 13 US patents while listed as an inventor at Merck. The first was granted in 1992 and the most recent in June 2003. Ingeborg Stein ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Ingeborg Stein in Langen (Hessen), DE.

Patents per Year

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Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6573404	Method for producing ortho-alkylated benzoic acid derivatives	Ekkehard Bartmann	2003-06-03	$120,306,000
6515143	Method for producing ortho-alkylated benzoic acid derivatives	Ekkehard Bartmann	2003-02-04	$48,207,000
6350904	Method for producing ortho-alkylated benzoic acid derivatives	Ekkehard Bartmann	2002-02-26	$151,838,000
6344566	Method for producing enantiomer-free N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrolidine-1-yl)ethyl]-2,2-diphenylacetamide	Andreas Bathe, Bernd Helfert, Karl-August Ackermann, Rudolf Gottschlich, Jens Budak	2002-02-05	$518,567,000
6277357	Ketotricyclo[5.2.1.0]decane derivatives	Michael Schwarz, Ulrich Heywang, Jurgen Eckstein	2001-08-21	$339,200,000
5968482	.alpha.-hydroxyketoalkyl derivatives as light protection filters	Roland Martin, Ulrich Heywang, Michael Schwarz, Thekla Kurz	1999-10-19	$89,172,000
5628988	Ketotricyclo[5.2.1.0]decane derivatives	Michael Schwarz, Ulrich Heywang, J urgen Eckstein	1997-05-13	$68,778,000
5600007	Use of .alpha.-hydroxyketoalkyl derivatives as light protection filters	Roland Martin, Ulrich Heywang, Michael Schwarz, Thekla Kurz	1997-02-04	$110,479,000
5520906	Triazine derivatives with UV filter properties	Michael Casutt, Ulrich Heywang, Roland Martin, Michael Schwarz	1996-05-28	$71,282,000
5501850	Use of benzimidazole derivatives as light protection filters	Ulrich Heywang, Alexander Putz, Roland Martin	1996-03-26	$67,991,000
5473079	Process for preparing 2-arylbenzimidazole-5-sulfonic acids	Ulrich Heywang, Ulrich Fechtel, Michael Casutt, Gerald Faller, Hartmut Hartner	1995-12-05	$54,422,000
5399563	Benzylidenequinuclidinones	Roland Martin, Michael Casutt, Ulrich Heywang, Henning Bottcher, Gunther Holzemann	1995-03-21	$36,801,000
5144081	Dialkoxybenzylidene-camphor derivatives	Ulrich Heywang, Roland Martin	1992-09-01	$30,892,000

Ingeborg Stein — 13 Patents

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