Inventor · disambiguated record
Heinz Wicki
Also filed as: VOGEL CLAUDE · WICKI HEINZ
16 granted patents·94 citations·filing 1973–1985
92Inventor score
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16 records- 0186US4097476ATrisazo dyes having a 2,7-(1-amino-3,6-or 4,6-disulfo-8-hydroxynaphthylene) radicalSANDOZ LTD·Filed 1975·Granted Jun 27, 1978·14 cites·43 claims
- 0279US4120854ADisazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or amino-hydroxy-benzene nucleus and metal complexes thereofSANDOZ LTD·Filed 1976·Granted Oct 17, 1978·10 cites·43 claims
- 0378US4123428AMetallized polyazo dyes derived from a coupling component obtained by acidic condensation of formaldehyde with at least one phenolic compoundSANDOZ LTD·Filed 1976·Granted Oct 31, 1978·10 cites·26 claims
- 0478US3975369A2:1 Metal complexes of 2,2',4'-trihydroxy-3,5-dinitroazobenzene bound to a diphenylamine through an azo bridgeSANDOZ LTD·Filed 1973·Granted Aug 17, 1976·9 cites·17 claims
- 0574US4150942A1:2 Metal complexes of azo compounds having 1-hydroxynaphthalene-3-sulfonic acid coupling component radicals at least one of which is a disazo compoundSANDOZ AG·Filed 1977·Granted Apr 24, 1979·10 cites·37 claims
- 0669US4263229AMetal complex dyes of trisazo compounds having a 3,5-dinitro-2-hydroxyphenylazo group and two other arylazo groups bound to a 1-amino-3-hydroxy-1,3-diamino- or 1,3-dihydroxy-benzene nucleusSTUDER MARTIN·Filed 1974·Granted Apr 21, 1981·8 cites·21 claims
- 0765US4358287AAsymmetric 1:2 metal complexes of diazo compoundsSANDOZ LTD·Filed 1981·Granted Nov 9, 1982·7 cites·39 claims
- 0865US4169832ADisazo and trisazo intermediates for polyazo dyes containing a stilbenyl or 2,2'-disulfostilbenyl radicalSANDOZ AG·Filed 1978·Granted Oct 2, 1979·6 cites·12 claims
- 0960US4212802A1:2 Chromium complexes of disazo compoundsSANDOZ AG·Filed 1978·Granted Jul 15, 1980·5 cites·21 claims
- 1056US4468348ATrisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenylazonaphthyl-2-azo)phenylazo group linked to a coupling component radicalSANDOZ LTD·Filed 1980·Granted Aug 28, 1984·5 cites·37 claims
- 1151US4003885ATetrakisazo compounds having a 1-hydroxy-2-(4'-(2"-sulfoanilino)phenylazo)-3,6-disulfo-7-(optionally 2'-substituted phenylazo)-8-aminonaphthalene middle componentSANDOZ LTD·Filed 1974·Granted Jan 18, 1977·3 cites·22 claims
- 1249US4390470ATetrakisazo dyes containing a stilbenylene or 2,2'-disulfostilbenylene radicalSANDOZ LTD·Filed 1979·Granted Jun 28, 1983·3 cites·11 claims
- 1338US4668238AThe dyeing of leather with mixtures of trisazo and tetrakisazo compounds having 1-amino-8-hydroxynaphthalene-mono- or di-sulfonic acid biscoupling component radicalsSANDOZ LTD·Filed 1985·Granted May 26, 1987·3 cites·19 claims
- 1437US4374064AMetal complexes of disazo compounds having a 5-amino or hydroxy-3-carboxy or methyl-1- substituted phenylpyrazole coupling component radicalSANDOZ LTD·Filed 1980·Granted Feb 15, 1983·1 cites·54 claims
- 1532US4409142ADisazo compounds having a 5-amino or hydroxy-3-carboxy or methyl-1-substituted phenylphyrazole coupling component radicalSANDOZ LTD·Filed 1981·Granted Oct 11, 1983·0 cites·28 claims
- 1630US4649194A1:2 metal complexes of a disazo compound having a 5-hydroxy-1-(aminophenyl)pyrazole coupling/diazo component radical and disazo compound having a 1-amino-8-hydroxynaphthalene coupling/diazo componentSANDOZ LTD·Filed 1983·Granted Mar 10, 1987·0 cites·18 claims
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