Inventor · disambiguated record
Matthias Wiesenfeldt
Also filed as: WIESENFELDT MATTHIAS
25 granted patents·203 citations·filing 1990–1997
96Inventor score
Files withBASF AG25
Top patents by PatentIndex Score
25 records- 0188US5972050ADye mixtures containing polyazo dyes and CI Sulphur Black 1 dyeBASF AG·Filed 1997·Granted Oct 26, 1999·33 cites·7 claims
- 0282US5580980AN-aminopyridone dyesBASF AG·Filed 1992·Granted Dec 3, 1996·16 cites·5 claims
- 0379US5079365ATriazolopyridine dyes and thermal transfer of methine dyesBASF AG·Filed 1990·Granted Jan 7, 1992·39 cites·4 claims
- 0470US5147845ATriazolopyridine dyes and thermal transfer of methine dyesBASF AG·Filed 1991·Granted Sep 15, 1992·13 cites·2 claims
- 0569US6080209AStable colorant compositionsBASF AG·Filed 1997·Granted Jun 27, 2000·15 cites·9 claims
- 0660US5449762APhenylazo- or naphthylazobenzenes having thioether groupsBASF AG·Filed 1995·Granted Sep 12, 1995·6 cites·2 claims
- 0759US5461131AAzo dye polymersBASF AG·Filed 1995·Granted Oct 24, 1995·11 cites·1 claims
- 0853US5910623AMixtures of sulfo-containing 1:2 metal complexes with vinyl polymersBASF AG·Filed 1997·Granted Jun 8, 1999·12 cites·12 claims
- 0953US5654122AN-aminopyridone dyesBASF AG·Filed 1995·Granted Aug 5, 1997·9 cites·9 claims
- 1050US5298610AThiazoleazo dyes having a coupling component of the diphenylamine seriesBASF AG·Filed 1992·Granted Mar 29, 1994·4 cites·2 claims
- 1150US5264507AAzo dye polymersBASF AG·Filed 1992·Granted Nov 23, 1993·11 cites·3 claims
- 1249US5554737ADoubled acid azo dyes with a hydroxypyridone coupling componentBASF AG·Filed 1995·Granted Sep 10, 1996·3 cites·7 claims
- 1348US6013775APolyazo dyes containing a plurality of hydroxy sulfonyl groupsBASF AG·Filed 1997·Granted Jan 11, 2000·4 cites·10 claims
- 1448US5434231AAzo dye polymersBASF AG·Filed 1993·Granted Jul 18, 1995·10 cites·3 claims
- 1544US6011141AAcid polyazo dyesBASF AG·Filed 1996·Granted Jan 4, 2000·3 cites·10 claims
- 1641US5059684AAzo dyes whose diazo and coupling components stem from the thiazole seriesBASF AG·Filed 1990·Granted Oct 22, 1991·2 cites·2 claims
- 1740US5621107ASulfopyridones and a process of making thereforBASF AG·Filed 1995·Granted Apr 15, 1997·1 cites·7 claims
- 1839US5206376APreparation of 2-amino-5-formyl-4-halothiazolesBASF AG·Filed 1991·Granted Apr 27, 1993·1 cites·21 claims
- 1938US5428140APreparation of phenylazo- or naphthylazobenzenes having thioether groupsBASF AG·Filed 1994·Granted Jun 27, 1995·1 cites·5 claims
- 2038US5064962ADiaminothiophenesBASF AG·Filed 1990·Granted Nov 12, 1991·1 cites·1 claims
- 2137USRE35407EAzo dye polymersBASF AG·Filed 1994·Granted Dec 17, 1996·5 cites·1 claims
- 2237US5145828ATransfer of azo dyesBASF AG·Filed 1991·Granted Sep 8, 1992·2 cites·3 claims
- 2336US5260446AAminothiazolesBASF AG·Filed 1992·Granted Nov 9, 1993·1 cites·2 claims
- 2430US5391719APreparation of aminoformazansBASF AG·Filed 1993·Granted Feb 21, 1995·0 cites·5 claims
- 2528US5003081APyrrole derivatives useful as diazo and coupling componentsBASF AG·Filed 1990·Granted Mar 26, 1991·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →