HZ

Hans Zweifel

CI Ciba-Geigy: 37 patents #44 of 2,867Top 2%
CC Ciba Specialty Chemicals: 1 patents #701 of 1,233Top 60%
Overall (All Time): #83,581 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
4399259 Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers Joseph Berger, Hans Bosshard 1983-08-16
4385182 Thioxanthonecarboxylic acids and thioxanthonecarboxylic acid derivatives Walter Fischer, Vratislav Kvita, Louis Felder 1983-05-24
4377668 Photo-crosslinkable polyamide with side tricyclic imidyl groups Daniel Bellus 1983-03-22
4377669 Photocrosslinkable polyester with side tricyclic imidyl groups Daniel Bellus 1983-03-22
4367324 Photocrosslinkable polymers with thioxanthone and imidyl groupings in side chains Joseph Berger, Vratislav Kvita, Martin Roth 1983-01-04
4363917 3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydrides Walter Fischer, Vratislav Kvita 1982-12-14
4348530 Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups Vratislav Kvita, Martin Roth, Louis Felder 1982-09-07
4337200 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1982-06-29
4323701 Process for the preparation of indenonecarboxylic acids Hans Bosshard, Hermann Rempfler 1982-04-06
4283509 Photocrosslinkable polymers with side tricyclic imidyl groups Daniel Bellus 1981-08-11
4250096 3- and 4-Azidophthalic acid derivatives Vratislav Kvita, Gerd Greber 1981-02-10
4247660 Photo-crosslinkable polymers having azidophthalimidyl side groups Vratislav Kvita, Joseph Berger 1981-01-27
4242264 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1980-12-30
4197133 Photo-curable compositions of matter containing bis-azidophthalimidyl derivatives Vratislav Kvita 1980-04-08