Thomas-Markus Rohr

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Patents Grantslast 30 patents

Information Patent Grant
Polyazo dyestuffs having high UV absorption
- Patent number 4,701,525
- Issue date Oct 20, 1987
- Ciba-Geigy AG
- Thomas-Markus Rohr
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
UV-absorbent compounds, process for their preparation and their use...
- Patent number 4,609,609
- Issue date Sep 2, 1986
- Ciba-Geigy AG
- Thomas-Markus Rohr
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY