TP

Thomas Potrawa

HO Honeywell: 14 patents #614 of 14,447Top 5%
Hoechst Gmbh: 2 patents #1,574 of 4,020Top 40%
RA Riedel-De Haen Aktiengesellschaft: 1 patents #15 of 38Top 40%
Overall (All Time): #266,880 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11873432 Luminescent materials including a luminescent benzothiazole, articles including a security feature, and methods of forming luminescent particles including a luminescent benzothiazole Michael Richard Kessler 2024-01-16
9834660 Rare earth metal complexes that excite in the long UV wavelength range Joachim Schulz 2017-12-05
8664425 Bluegreen fluorescent compounds Michael Richard Kessler 2014-03-04
RE42188 Security articles Thomas Tam, Alfred Siggel, Samir Abdalla, Jiunn-Yow Chen, Huy X. Nguyen +2 more 2011-03-01
7740693 Organic fluorescent sulfonyl ureido benzoxazinone pigments Joachim Schulz 2010-06-22
7585594 Electrolyte with indicator Thirumalai G. Palanisamy, Alfred Siggel, Stephen E. LaCroix, Michael Fooken, Jacques Geenen 2009-09-08
7399434 Rare metal compounds and mixtures of these Joachim Schulz 2008-07-15
7357986 Security articles Thomas Tam, Alfred Siggel, Samir Abdalla, Jiunn-Yow Chen, Huy X. Nguyen 2008-04-15
7198732 Rare earth metal compounds and mixtures of these Joachim Schulz 2007-04-03
7192471 Aryl-ureido benzoxazinone compounds Joachim Schulz 2007-03-20
7122248 Security articles Thomas Tam, Alfred Siggel, Samir Abdalla, Jiunn-Yow Chen, Huy X. Nguyen 2006-10-17
7101997 Method for producing phenothiazinium compounds Suzanne Wassmann-Wilken, Reinhard Knieps, Andreas Kanschik-Conradsen, Joachim Schulz, Christian Werner 2006-09-05
6680116 Luminescent fiber production thereof and use thereof Alfred Siggel, Hermann Langheim 2004-01-20
6514609 Luminescent fiber, production thereof and use thereof Alfred Siggel, Hermann Langheim 2003-02-04
5919579 Organic electroluminescent device Wen-Bing Kang, Nu Yu, Akihiko Tokida, Andreas Winterfeldt 1999-07-06
5871854 Organic electroluminescent device Akihiko Tokida, Wen-Bing Kang, Nu Yu, Andreas Winterfeldt 1999-02-16
5354869 3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo -(3,4-c)-pyrrole-1,4-dione compound Heinz Langhals 1994-10-11