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 1–25 of 39 patents

Patent #TitleCo-InventorsDate
6541547 Process for stabilization of polyolefins in permanent contact with extracting media Thomas R. Schmutz, Erich Kramer, Bruno Rotzinger 2003-04-01
5494944 Hardenable composition and its use Kurt Meier 1996-02-27
5371115 Cationically polymerizable compositions containing iron metallolene salt Kurt Meier 1994-12-06
5073476 Curable composition and the use thereof Kurt Meier, Giuliano Eugster, Franz Schwarzenbach 1991-12-17
4855468 Titanocenes and a radiation-polymerizable composition containing these titanocenes Martin Riediker, Kurt Meier 1989-08-08
4713401 Titanocenes and a radiation-polymerizable composition containing these titanocenes Martin Riediker, Kurt Meier 1987-12-15
4681950 Thioxanthone derivatives Walter Fischer, Jurgen Finter 1987-07-21
4624912 Thermally transferable layers of radiation sensitive epoxy resins used to prepare protective coatings and relief images Sigrid Bauer, Kurt Meier 1986-11-25
4594400 Thioxanthonecarboxylic acids, esters thioesters and amides with reactive functional groups and polymers prepared therefrom and having thioxanthone radicals as side chains Vratislav Kvita, Martin Roth, Louis Felder 1986-06-10
4585876 Novel xanthones and thioxanthones Walter Fischer, Jurgen Finter 1986-04-29
4537977 Tetrasubstituted phthalic acid derivatives, and a process for their preparation Walter Fischer 1985-08-27
4505794 Thioxanthonecarboxylic acid esters, thioesters and amides Vratislav Kvita, Martin Roth, Louis Felder 1985-03-19
4506083 Thioxanthonecarboxylic acid esters, thioesters and amides Vratislav Kvita, Martin Roth, Louis Felder 1985-03-19
4487942 6,7-Dihydro-5H-benzocycloheptene-8,9-dicarboxylic acid anhydrides Walter Schilling, Angelo Storni, Daniel Bellus 1984-12-11
4486596 2,3-Dihydro-1-benzoxepine-4,5-dicarboxylic acid anhydrides Walter Schilling, Angelo Storni, Daniel Bellus 1984-12-04
4480105 3,5-Disubstituted phthalic acids and phthalic anhydrides Walter Fischer, Vratislav Kvita 1984-10-30
4463142 Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers Joseph Berger, Hans Bosshard 1984-07-31
4459414 Tetrasubstituted phthalic acid derivatives, and a process for their preparation Walter Fischer 1984-07-10
4424366 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1984-01-03
4423231 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1983-12-27
4418200 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1983-11-29
4418199 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1983-11-29
4416975 Photopolymerization process employing compounds containing acryloyl groups and maleimide groups George E. Green, Ewald Losert, John G. Paul 1983-11-22
4417058 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1983-11-22
4414394 Tricyclic imidyl derivatives Walter Schilling, Angelo Storni, Daniel Bellus 1983-11-08