PR

Paul Rys

CI Ciba-Geigy: 6 patents #470 of 2,867Top 20%
Overall (All Time): #659,575 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7453013 Catalytic method for the production of carbonyl compounds Franco Antognoli 2008-11-18
7273954 Catalytic method for the production of carbonyl compounds Franco Antognoli 2007-09-25
5041634 Process for the preparation of carboxylated aromatic hydroxy compounds Martin Clausen, Junkuan Wang 1991-08-20
4950306 Dyeing and printing of cellulosic fibre materials with vat dyes with mono- or di-hydroxyacetone as reducing agent Walter Marte 1990-08-21
4929771 Process for the preparation of alkyl-substituted phenols or naphthols Martin Clausen, Wang Junkuan 1990-05-29
4861920 Process for the preparation of 2,6-dihydroxynaphthalene Martin Clausen 1989-08-29
4773973 Process for the production of polycrystalline silicon coatings by electrolytic deposition of silicon Hans R. Gruniger, Rudolf Kern 1988-09-27
4759830 Process for the production of polycrystalline silicon coatings by electrolytic deposition of silicon Hans R. Gruniger, Rudolf Kern 1988-07-26