Inventor · disambiguated record
Fabio Beffa
Also filed as: BEFFA FABIO
38 granted patents·152 citations·filing 1973–1987
97Inventor score
Top patents by PatentIndex Score
38 records- 0181US4085097AProcess for the manufacture of chromium complexes from metallizable azo or azo methine dyesCIBA GEIGY AG·Filed 1976·Granted Apr 18, 1978·11 cites·4 claims
- 0281US4008211ABetainic azo dyestuffs containing cobalt in complex union with a colorless, tridentate ligandCIBA GEIGY AG·Filed 1973·Granted Feb 15, 1977·12 cites·7 claims
- 0376US4116952AUnsymmetrical azo - azo methine 1:2 chromium complex dyesCIBA GEIGY CORP·Filed 1977·Granted Sep 26, 1978·9 cites·2 claims
- 0476US4033942AChromium complex dye, including azo and azo methine dye compoundsCIBA GEIGY AG·Filed 1976·Granted Jul 5, 1977·10 cites·21 claims
- 0573US4314937A1:2 Chromium unsymmetrical complexes of azo and disazo dyesCIBA GEIGY CORP·Filed 1980·Granted Feb 9, 1982·9 cites·3 claims
- 0668US4053462AUnsymmetrical phenyl azo naphthyl chromium complex dyesCIBA GEIGY CORP·Filed 1976·Granted Oct 11, 1977·7 cites·1 claims
- 0766US4256633AChromium complex compounds, process for their manufacture and use thereofCIBA GEIGY CORP·Filed 1979·Granted Mar 17, 1981·6 cites·11 claims
- 0864US4710198A1:2 chromium or cobalt metal complex dyes and use thereof for dyeing leatherCIBA GEIGY CORP·Filed 1985·Granted Dec 1, 1987·7 cites·9 claims
- 0964US4452602AProcess for dyeing leather with mixtures of dyesPUENTENER ALOIS·Filed 1982·Granted Jun 5, 1984·8 cites·23 claims
- 1064US4083839AUnsymmetrical mono sulfo containing 1:2 azo, azo chromium complex dyesCIBA GEIGY CORP·Filed 1976·Granted Apr 11, 1978·5 cites·2 claims
- 1163US4312808ARed monoazo dyestuffsCIBA GEIGY AG·Filed 1980·Granted Jan 26, 1982·5 cites·2 claims
- 1257US4331596AArylazoarylazo-substituted azo, azomethine 1:2 chromium complex dyesCIBA GEIGY CORP·Filed 1979·Granted May 25, 1982·4 cites·10 claims
- 1355US4086223AAsymmetrical 1:2-chromium complex azo dyestuffsCIBA GEIGY AG·Filed 1977·Granted Apr 25, 1978·4 cites·9 claims
- 1453US4904767AAsymmetric 1:2-chrome complexes of benzene-azo-naphthalene/naphthalene-azo-naphthalene acid dyes for leatherCIBA GEIGY CORP·Filed 1987·Granted Feb 27, 1990·4 cites·4 claims
- 1553US4507124A1:2 Metal complexes of azomethine dyes having arylazo groupsCIBA GEIGY CORP·Filed 1983·Granted Mar 26, 1985·4 cites·6 claims
- 1652US4005065AUnsymmetrical phenyl azo naphthyl chromium complex dyesCIBA GEIGY CORP·Filed 1974·Granted Jan 25, 1977·3 cites·4 claims
- 1751US4311641AChromium complexes of mixed azo compoundsCIBA GEIGY CORP·Filed 1979·Granted Jan 19, 1982·3 cites·9 claims
- 1848US4563193AAsymmetric 1:2 chrome complex dyes containing an azo and an azomethine compoundCIBA GEIGY CORP·Filed 1983·Granted Jan 7, 1986·3 cites·9 claims
- 1948US4013630AChromium complex disazo dyesCIBA GEIGY CORP·Filed 1976·Granted Mar 22, 1977·3 cites·6 claims
- 2048US3970615AUnsymmetrical mono-sulfo containing chromium complexes of azo dyesCIBA GEIGY CORP·Filed 1974·Granted Jul 20, 1976·2 cites·5 claims
- 2147US4315854AChromium and cobalt complex amino hydroxy azomethine dyesCIBA GEIGY CORP·Filed 1980·Granted Feb 16, 1982·3 cites·7 claims
- 2246US4432898ASulfo-substituted fibre-reactive 1:2-chromium complex azo dyesCIBA GEIGY CORP·Filed 1980·Granted Feb 21, 1984·3 cites·2 claims
- 2346US3978037AAzo, azo methine 1:2 chromium complex dyesCIBA GEIGY CORP·Filed 1974·Granted Aug 31, 1976·2 cites·4 claims
- 2445US4874848AAsymmetrical polyazo chromium complex dyes comprising resorcinol as a coupling componentCIBA GEIGY CORP·Filed 1986·Granted Oct 17, 1989·3 cites·13 claims
- 2545US4652631ABis 1:2 chromium complexes of disazo and azo or azomethine dyesCIBA GEIGY CORP·Filed 1985·Granted Mar 24, 1987·3 cites·11 claims
- 2644US4617382A8-hydroxyquinoline sulfonic acid-azo chromium complexesCIBA GEIGY CORP·Filed 1983·Granted Oct 14, 1986·2 cites·2 claims
- 2741US4340536AChrome-complex dyes and the production and use thereofCIBA GEIGY CORP·Filed 1980·Granted Jul 20, 1982·2 cites·10 claims
- 2840US4427585A1:2 Chromium and cobalt complex dyesCIBA GEIGY CORP·Filed 1981·Granted Jan 24, 1984·6 cites·3 claims
- 2940US4364864A1:2 Cobalt and chromium complex unsymmetrical azo dyesCIBA GEIGY CORP·Filed 1979·Granted Dec 21, 1982·1 cites·6 claims
- 3037US4493798AMetal complexes of disazo dyesCIBA GEIGY CORP·Filed 1981·Granted Jan 15, 1985·1 cites·11 claims
- 3135US4799933AProcess for the trichromatic dyeing of leatherCIBA GEIGY CORP·Filed 1987·Granted Jan 24, 1989·1 cites·19 claims
- 3234US4116624ANew heavy metal complex dyes, process for their manufacture and use thereofCIBA GEIGY CORP·Filed 1976·Granted Sep 26, 1978·1 cites·3 claims
- 3333US4661587ABis 1:2 chromium complexes of disazo and azo or azomethine dyesCIBA GEIGY CORP·Filed 1985·Granted Apr 28, 1987·2 cites·10 claims
- 3433US4219473ASubstituted unsymmetrical azo, azomethine 1:2 chromium complexesCIBA GEIGY CORP·Filed 1977·Granted Aug 26, 1980·0 cites·1 claims
- 3532US4378970ARed monoazo sulphonic acid dyestuffs for polyamideCIBA GEIGY AG·Filed 1981·Granted Apr 5, 1983·2 cites·2 claims
- 3631US4650859AChrome azo and/or azomethine dyes containing a benzthiazolylphenyl or stilbenyl radicalCIBA GEIGY CORP·Filed 1984·Granted Mar 17, 1987·0 cites·11 claims
- 3731US4502865AFibre-reactive chromium complex dyes, process for their manufacture and use thereof to dye cellulose or woolCIBA GEIGY CORP·Filed 1983·Granted Mar 5, 1985·1 cites·4 claims
- 3828US4051118AWater-soluble disazo dyestuffs containing a 3- or 4-[pyrazolylene-(1)-benzoylamino]-6-sulphophenyl moietyCIBA GEIGY AG·Filed 1975·Granted Sep 27, 1977·0 cites·8 claims
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