Inventor · disambiguated record
Hansrudolf Schwander
Also filed as: SCHWANDER HANSRUDOLF · ZICKENDRAHT CHRISTIAN
33 granted patents·187 citations·filing 1974–1989
96Inventor score
Top patents by PatentIndex Score
33 records- 0190US4064136AProcess for the manufacture of benzoxazole, benzthiazole and benzimidazole derivativesCIBA GEIGY AG·Filed 1976·Granted Dec 20, 1977·20 cites·8 claims
- 0283US4562249ABis(4-((chloro substituted phenyl)azo)anilino methylenesCIBA GEIGY CORP·Filed 1985·Granted Dec 31, 1985·17 cites·13 claims
- 0380US4585460AReactive dyes, process for their preparation and use thereof: bis-vinyl or substituted ethyl sulphenyl azo reactive dyes for textilesCIBA GEIGY CORP·Filed 1983·Granted Apr 29, 1986·20 cites·14 claims
- 0479US4841028AReactive dyes comprising a reactive radical bonded to the chromophor by a urea bridge memberAESCHLIMANN PETER·Filed 1987·Granted Jun 20, 1989·17 cites·18 claims
- 0578US4311565AElectrochemical process for the production of benzanthroneCIBA GEIGY AG·Filed 1980·Granted Jan 19, 1982·13 cites·8 claims
- 0676US4734490AWater soluble phthalimide-azo-aniline dyes and mixtures thereofCIBA GEIGY CORP·Filed 1986·Granted Mar 29, 1988·12 cites·29 claims
- 0772US4180665ASubstituted 3-benz(cd)indol-2-(1H)-ylidene-furo[2,3-b]quinoxalin-2(3H)one dyestuffsCIBA GEIGY AG·Filed 1977·Granted Dec 25, 1979·9 cites·11 claims
- 0871US4002619ACoumarine dyestuffs of the dispersion seriesCIBA GEIGY CORP·Filed 1974·Granted Jan 11, 1977·7 cites·3 claims
- 0967US4754024AFibre-reactive azo dyes containing vinylsulfonyl or analogous groupsSCHWANDER HANSRUDOLF·Filed 1986·Granted Jun 28, 1988·9 cites·7 claims
- 1061US4033965ANitro acridone dyesCIBA GEIGY CORP·Filed 1975·Granted Jul 5, 1977·5 cites·10 claims
- 1157US4033973AOxadiazol-5-yl-coumarin derivativesCIBA GEIGY CORP·Filed 1976·Granted Jul 5, 1977·4 cites·5 claims
- 1256US4041052AAnthraquinone dyestuffs of the disperse seriesCIBA GEIGY CORP·Filed 1976·Granted Aug 9, 1977·4 cites·12 claims
- 1353US4467088As-TriazinesCIBA GEIGY CORP·Filed 1982·Granted Aug 21, 1984·4 cites·1 claims
- 1453US4448719ATrifluoromethyl-substituted monoazo disperse dyesCIBA GEIGY CORP·Filed 1981·Granted May 15, 1984·13 cites·8 claims
- 1553US4259236AAzo compounds, containing a 1,2,4-thiadiazole moietyCIBA GEIGY CORP·Filed 1979·Granted Mar 31, 1981·3 cites·11 claims
- 1652US4221911ANaphtholactam dyestuffsCIBA GEIGY CORP·Filed 1976·Granted Sep 9, 1980·4 cites·7 claims
- 1751US4582897AAzo dyesCIBA GEIGY CORP·Filed 1984·Granted Apr 15, 1986·4 cites·9 claims
- 1848US4246410ANaphtholactam dyestuffsCIBA GEIGY·Filed 1977·Granted Jan 20, 1981·3 cites·6 claims
- 1948US4056528ADisperse dyesCIBA GEIGY CORP·Filed 1976·Granted Nov 1, 1977·2 cites·8 claims
- 2046US4256896ANaphtholactam dyestuffsCIBA GEIGY·Filed 1978·Granted Mar 17, 1981·3 cites·6 claims
- 2144US4148805ANaphtholactam dyestuffsCIBA GEIGY AG·Filed 1977·Granted Apr 10, 1979·2 cites·4 claims
- 2243US4159379ADispersion dyestuffs of the naphtholactam seriesCIBA GEIGY AG·Filed 1977·Granted Jun 26, 1979·2 cites·16 claims
- 2343US3970675ADisperse dyestuffsCIBA GEIGY CORP·Filed 1974·Granted Jul 20, 1976·2 cites·10 claims
- 2441US4801406ADicyanobenzanthrone compoundsCIBA GEIGY CORP·Filed 1987·Granted Jan 31, 1989·2 cites·14 claims
- 2540US4146541ANaphtholactam dyestuffsCIBA GEIGY AG·Filed 1977·Granted Mar 27, 1979·2 cites·8 claims
- 2637US4260770ANaphtholactam dyesCIBA GEIGY·Filed 1977·Granted Apr 7, 1981·1 cites·6 claims
- 2737US4246422ANaphtholactam dyestuffsCIBA GEIGY AG·Filed 1979·Granted Jan 20, 1981·1 cites·9 claims
- 2836US4929719AFiber-reactive dyes containing an aniline radical which carries two different vinylsulfonyl moietiesCIBA GEIGY CORP·Filed 1989·Granted May 29, 1990·1 cites·21 claims
- 2936US4447358AMonoazo compoundsCIBA GEIGY CORP·Filed 1981·Granted May 8, 1984·1 cites·12 claims
- 3035US4236007ANaphtholactam dyestuffsCIBA GEIGY AG·Filed 1979·Granted Nov 25, 1980·0 cites·8 claims
- 3132US4067889ADisperse dyestuffsCIBA GEIGY CORP·Filed 1976·Granted Jan 10, 1978·0 cites·2 claims
- 3230US4304725AProcess for producing disperse dyesCIBA GEIGY CORP·Filed 1980·Granted Dec 8, 1981·0 cites·7 claims
- 3329US4210757ANovel naphthoylene-perinones disperse dyestuffsCIBA GEIGY CORP·Filed 1977·Granted Jul 1, 1980·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hansrudolf Schwander files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →