Inventor · disambiguated record
Udo Bergmann
Also filed as: BERGMANN UDO
28 granted patents·151 citations·filing 1976–1995
96Inventor score
Top patents by PatentIndex Score
28 records- 0179US4619992A3-(β-aminoethyl)-4-cyano-isothiazolylazo dyesBASF AG·Filed 1985·Granted Oct 28, 1986·14 cites·4 claims
- 0275US4764600AIsothiazolylazo dyes having aminophenyl and aminonaphthyl componentsBASF AG·Filed 1983·Granted Aug 16, 1988·8 cites·1 claims
- 0373US4668775Aα-methine substituted thiophene monoazo dyeBASF AG·Filed 1985·Granted May 26, 1987·11 cites·9 claims
- 0470US5424453APurification of indigoBASF AG·Filed 1993·Granted Jun 13, 1995·10 cites·12 claims
- 0569US4414552APrinting head for ink jet printersPHILIPS CORP·Filed 1982·Granted Nov 8, 1983·16 cites·10 claims
- 0667US4537597ANavy blue mixtures of disperse mono-azo dyes for cellulose acetateBASF AG·Filed 1984·Granted Aug 27, 1985·7 cites·5 claims
- 0764US5536842APurification of indigoBASF AG·Filed 1994·Granted Jul 16, 1996·8 cites·6 claims
- 0863US4751288AAzo dyes containing 2-amino-3-cyano-5-formylthiophene derivatives as diazo components and substituted aniline compounds as coupling componentsBASF AG·Filed 1986·Granted Jun 14, 1988·7 cites·2 claims
- 0959US4547566ACopper, cobalt, nickel and iron complexes of disazo dyesBASF AG·Filed 1983·Granted Oct 15, 1985·4 cites·1 claims
- 1058US4496480AIsothiazolazo dyes having coupling components which are free from unsaturated aliphatic radicalsBASF AG·Filed 1983·Granted Jan 29, 1985·5 cites·9 claims
- 1157US4960874AIsothiazolylazo dyes having aminophenyl and aminonaphthyl componentsBASF AG·Filed 1988·Granted Oct 2, 1990·5 cites·5 claims
- 1255US4405330ANavy disperse dye mixturesBASF AG·Filed 1982·Granted Sep 20, 1983·14 cites·2 claims
- 1353US4118229AHigh energy recording on an acetyl acetonatePHILIPS CORP·Filed 1976·Granted Oct 3, 1978·6 cites·8 claims
- 1452US4638055AIron, copper and chromium complexes of disazo dyesBASF AG·Filed 1985·Granted Jan 20, 1987·3 cites·4 claims
- 1552US4563520AMetal complexes of dis- or trisazo compounds containing a middle component twice substituted by hydroxy and/or aminoBASF AG·Filed 1982·Granted Jan 7, 1986·4 cites·6 claims
- 1652US4491543ADis-, tris-, and tetrakisazo compounds containing resorcinol, sulfonylamino, and two or three sulfonic acid groupsBASF AG·Filed 1982·Granted Jan 1, 1985·4 cites·14 claims
- 1748US5554774APreparation of chlorinated violanthrones or isoviolanthronesBASF AG·Filed 1995·Granted Sep 10, 1996·4 cites·7 claims
- 1848US4820809AHeterocyclic azo dyesBASF AG·Filed 1988·Granted Apr 11, 1989·3 cites·8 claims
- 1941US4195223AApparatus for optically scanning a surfacePHILIPS CORP·Filed 1978·Granted Mar 25, 1980·4 cites·4 claims
- 2038US4389216ANavy dye mixturesBASF AG·Filed 1982·Granted Jun 21, 1983·6 cites·1 claims
- 2137US4486198ANavy dye mixturesBASF AG·Filed 1984·Granted Dec 4, 1984·1 cites·3 claims
- 2235US5380871APreparation of halogenated indigoBASF AG·Filed 1992·Granted Jan 10, 1995·1 cites·13 claims
- 2335US5003049ADyes containing fluorotriazine and dichloropyridazone groupsBASF AG·Filed 1989·Granted Mar 26, 1991·1 cites·1 claims
- 2435US4386934ANavy dye mixturesBASF AG·Filed 1982·Granted Jun 7, 1983·4 cites·2 claims
- 2534US5386042APreparation of 1,4-diaminoanthraquinone-2,3-disulfonic acid and 1,4-diaminoanthraquinone-2,3-dinitrileBASF AG·Filed 1993·Granted Jan 31, 1995·1 cites·6 claims
- 2632US5245058APreparation of 1-nitroanthraquinone-2-carboxylic acidsBASF AG·Filed 1992·Granted Sep 14, 1993·0 cites·6 claims
- 2731US5525743APreparation of anthraquinone imide compoundsBASF AG·Filed 1994·Granted Jun 11, 1996·0 cites·4 claims
- 2829US5534627APolycyclic vat dyesBASF AG·Filed 1994·Granted Jul 9, 1996·0 cites·7 claims
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