Inventor · disambiguated record
Paul Tschopp
Also filed as: TSCHOPP PAUL
15 granted patents·132 citations·filing 1973–1986
92Inventor score
Files withCIBA GEIGY AG15
Top patents by PatentIndex Score
15 records- 0195US4118232APhotographic material containing sulphonic acid group containing disazo dyestuffsCIBA GEIGY AG·Filed 1977·Granted Oct 3, 1978·42 cites·28 claims
- 0293US4051123ASulfonic-acid-group containing disazo dyestuffsCIBA GEIGY AG·Filed 1975·Granted Sep 27, 1977·29 cites·12 claims
- 0385US4268591AMaterial for color photographyCIBA GEIGY AG·Filed 1979·Granted May 19, 1981·14 cites·25 claims
- 0480US4026709AColor photographic recording materialCIBA GEIGY AG·Filed 1976·Granted May 31, 1977·13 cites·22 claims
- 0563US4661437APhotographic material with heterocylic azo dye for the silver dye bleach processCIBA GEIGY AG·Filed 1985·Granted Apr 28, 1987·6 cites·14 claims
- 0657US4115121ASilver halide color photographic material containing yellow couplerCIBA GEIGY AG·Filed 1977·Granted Sep 19, 1978·5 cites·11 claims
- 0747US3984432AColor photographic recording materialCIBA GEIGY AG·Filed 1974·Granted Oct 5, 1976·7 cites·6 claims
- 0841US4661440AProcess for stabilizing photographic material containing magenta couplerCIBA GEIGY AG·Filed 1985·Granted Apr 28, 1987·7 cites·11 claims
- 0941US4268592AMaterial for color photographyCIBA GEIGY AG·Filed 1979·Granted May 19, 1981·2 cites·18 claims
- 1038US4732997ADibenzoxaphosphorin compoundsCIBA GEIGY AG·Filed 1986·Granted Mar 22, 1988·2 cites·1 claims
- 1137US4324898AHeterocyclic compounds useful as color photographic materialCIBA GEIGY AG·Filed 1979·Granted Apr 13, 1982·0 cites·3 claims
- 1236US4206278AColor photographic materialCIBA GEIGY AG·Filed 1978·Granted Jun 3, 1980·0 cites·18 claims
- 1333US4743683AImidazole azo dyesCIBA GEIGY AG·Filed 1986·Granted May 10, 1988·1 cites·1 claims
- 1433US3931142AHeterocyclic containing disazo compoundsCIBA GEIGY AG·Filed 1973·Granted Jan 6, 1976·4 cites·14 claims
- 1531US4229577AYellow photographic color couplers containing 3-imino-1,3,4-thiadiazolyl-4 groupsCIBA GEIGY AG·Filed 1978·Granted Oct 21, 1980·0 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →