Inventor · disambiguated record
Rudolf Zink
Also filed as: ZINK RUDOLF
42 granted patents·1 pending application·241 citations·filing 1977–2002
98Inventor score
Top patents by PatentIndex Score
43 records- 0178US5395948AFluoran color formersCIBA GEIGY CORP·Filed 1993·Granted Mar 7, 1995·23 cites·25 claims
- 0278US4288589ACationic dyesCIBA GEIGY CORP·Filed 1979·Granted Sep 8, 1981·9 cites·23 claims
- 0377US4625027ABisquinazolines useful in color former systemsCIBA GEIGY CORP·Filed 1983·Granted Nov 25, 1986·8 cites·3 claims
- 0476US5240897AHeat-sensitive recording materialCIBA GEIGY CORP·Filed 1990·Granted Aug 31, 1993·24 cites·33 claims
- 0576US4806657AProcess for the preparation of fluoran compounds which are substituted by basic groupsCIBA GEIGY CORP·Filed 1986·Granted Feb 21, 1989·12 cites·14 claims
- 0676US4525588AChromogenic naphtholactamsCIBA GEIGY CORP·Filed 1983·Granted Jun 25, 1985·9 cites·10 claims
- 0771US4251656ACationic dyesCIBA GEIGY CORP·Filed 1978·Granted Feb 17, 1981·7 cites·17 claims
- 0871US4168264A1,3,3-Trimethyl-2-methylene indoline cationic n-methyl azo dyesCIBA GEIGY CORP·Filed 1977·Granted Sep 18, 1979·7 cites·6 claims
- 0970US6835329B2Heteroaryl substituted hydroxyphenyltriazine uv-absorbersCIBA SC HOLDING AG·Filed 2001·Granted Dec 28, 2004·4 cites·17 claims
- 1065US5024988APressure-or heat-sensitive recording materialCIBA GEIGY CORP·Filed 1989·Granted Jun 18, 1991·11 cites·32 claims
- 1164US6800762B2Indolin derivaties as sun protection agentsCIBA SC HOLDING AG·Filed 2002·Granted Oct 5, 2004·1 cites·2 claims
- 1263US4705775ARecording material employing chromogenic bisquinazolinesCIBA GEIGY CORP·Filed 1986·Granted Nov 10, 1987·5 cites·24 claims
- 1361US5071480AFluoran color former mixture and use thereof in recording materialsCIBA GEIGY CORP·Filed 1990·Granted Dec 10, 1991·10 cites·4 claims
- 1461US4421519AMixtures of cationic dyes: naphtho-lactam and oxazine dyes for polyacrylonitrilesCIBA GEIGY CORP·Filed 1982·Granted Dec 20, 1983·6 cites·16 claims
- 1560US5013707APressure- or heat-sensitive recording materialCIBA GEIGY CORP·Filed 1989·Granted May 7, 1991·9 cites·28 claims
- 1659US4766211AChromogenic quinazolinesCIBA GEIGY CORP·Filed 1986·Granted Aug 23, 1988·9 cites·16 claims
- 1757US6143904AColor former mixtureCIBA SC HOLDING AG·Filed 1997·Granted Nov 7, 2000·9 cites·2 claims
- 1854US6201000B1Use of selected benzotriazole derivatives for protecting human and animal skin and hair from the harmful effects of UV radiationCIBA SC HOLDING AG·Filed 1997·Granted Mar 13, 2001·16 cites·12 claims
- 1953US4259236AAzo compounds, containing a 1,2,4-thiadiazole moietyCIBA GEIGY CORP·Filed 1979·Granted Mar 31, 1981·3 cites·11 claims
- 2052US6706930B2Process for the preparation of halogenated hydroxydiphenyl compoundsCIBA SC HOLDING AG·Filed 2001·Granted Mar 16, 2004·1 cites·11 claims
- 2152US6358496B1Indolin derivatives as sun protection agentsCIBA SC HOLDING AG·Filed 1999·Granted Mar 19, 2002·8 cites·11 claims
- 2252US4332937ANaphtholactam compoundsCIBA GEIGY CORP·Filed 1980·Granted Jun 1, 1982·4 cites·15 claims
- 2351US6215029B1Process for the preparation of halogenated hydroxydiphenyl compoundsCIBA SC HOLDING AG·Filed 1999·Granted Apr 10, 2001·5 cites·13 claims
- 2449US5143892AChromogenic phthalidesCIBA GEIGY CORP·Filed 1991·Granted Sep 1, 1992·4 cites·6 claims
- 2548US4973712A2-aralkylaminofluorans, their preparation and the use thereof in recording materialsCIBA GEIGY CORP·Filed 1989·Granted Nov 27, 1990·2 cites·6 claims
- 2648US4668966AAliphatic bridged chromogenic bisquinazolines substituted with phenylamine or phenyl-containing heterobicyclic radicalsCIBA GEIGY CORP·Filed 1985·Granted May 26, 1987·5 cites·24 claims
- 2747US5254522APressure-sensitive or heat-sensitive recording materialCIBA GEIGY CORP·Filed 1991·Granted Oct 19, 1993·4 cites·23 claims
- 2846US5149689AFluoran color former mixture and use thereof in recording materialsCIBA GEIGY CORP·Filed 1991·Granted Sep 22, 1992·4 cites·5 claims
- 2946US4770904AProcess for the preparation of a pressure-sensitive recording materialCIBA GEIGY CORP·Filed 1987·Granted Sep 13, 1988·4 cites·6 claims
- 3043US5468855ABislactonesCIBA GEIGY CORP·Filed 1994·Granted Nov 21, 1995·3 cites·9 claims
- 3142US4847378AChromogenic polycyclic azamethinesCIBA GEIGY CORP·Filed 1988·Granted Jul 11, 1989·2 cites·13 claims
- 3238US6384284B1Biphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositionsCIBA SC HOLDING AG·Filed 1999·Granted May 7, 2002·2 cites·7 claims
- 3338US4997918ABenzthiazolium azo dyesCIBA GEIGY CORP·Filed 1987·Granted Mar 5, 1991·1 cites·6 claims
- 3438US4364738ACrystalline bromide or iodide salts of triazole dyes for polyacrylonitrileCIBA GEIGY CORP·Filed 1981·Granted Dec 21, 1982·1 cites·2 claims
- 3538US2002128522A1Process for the preparation of 4,4' -dihalogen-o-hydroxydiphenyl compoundsFiled 2002·Application pending·0 cites
- 3637US5066814A2-dicarboximidefluorane or 3-dicarboximidefluorane compoundsCIBA GEIGY CORP·Filed 1990·Granted Nov 19, 1991·2 cites·13 claims
- 3736US4555569AChromogenic quinazolinesCIBA GEIGY CORP·Filed 1984·Granted Nov 26, 1985·2 cites·14 claims
- 3836US4403095AMethine compoundsCIBA GEIGY CORP·Filed 1981·Granted Sep 6, 1983·1 cites·17 claims
- 3936US4372886AProcess for the production of carbinol bases from indoline compoundsCIBA GEIGY CORP·Filed 1981·Granted Feb 8, 1983·1 cites·9 claims
- 4034US5039822AChromogenic phthalidesCIBA GEIGY CORP·Filed 1989·Granted Aug 13, 1991·0 cites·11 claims
- 4133US6596907B1Process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compoundsCIBA SC HOLDING AG·Filed 1999·Granted Jul 22, 2003·1 cites·5 claims
- 4233US5681791AColor former mixtureCIBA GEIGY CORP·Filed 1995·Granted Oct 28, 1997·1 cites·11 claims
- 4333US5162550ABisphthalide lactones, their preparation and the use thereof in recording materialsCIBA GEIGY CORP·Filed 1990·Granted Nov 10, 1992·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →