Inventor · disambiguated record
Hermann Loeffler
Also filed as: LOEFFLER HERMANN
25 granted patents·296 citations·filing 1980–1994
96Inventor score
Top patents by PatentIndex Score
25 records- 0190US4855413AHeterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling componentsBASF AG·Filed 1988·Granted Aug 8, 1989·25 cites·6 claims
- 0287US5200511ACholorotriazine dyes with two azo chromophores exhibiting further reactive groupsBASF AG·Filed 1992·Granted Apr 6, 1993·29 cites·7 claims
- 0387US4855412ADiaminopyridine azo dyes having acyloxy radicals substituted on the diaminopyridineBASF AG·Filed 1987·Granted Aug 8, 1989·22 cites·2 claims
- 0486US4939118ATransfer of azo dyes having a pyridine coupling componentBASF AG·Filed 1989·Granted Jul 3, 1990·24 cites·2 claims
- 0585US4774324AIsothiazolylazo dyesBASF AG·Filed 1986·Granted Sep 27, 1988·20 cites·2 claims
- 0684US4380452ADyeing and printing of cellulose-containing textile materialBASF AG·Filed 1981·Granted Apr 19, 1983·14 cites·2 claims
- 0775US5283326ADyes containing thiophene radicalsSANDOZ AG·Filed 1992·Granted Feb 1, 1994·14 cites·14 claims
- 0875US5066791APyridoneazo dyes with an m-aminobenzoic ester as the diazo componentBASF AG·Filed 1990·Granted Nov 19, 1991·12 cites·2 claims
- 0975US4668774A2-ethylhexylamine salts of anionic monoazo dyesBASF AG·Filed 1985·Granted May 26, 1987·35 cites·10 claims
- 1074US5149789AReactive dyes with two or three nitrogen-containing haloheterocycles as reactive systemBASF AG·Filed 1990·Granted Sep 22, 1992·13 cites·2 claims
- 1172US5403363ADye mixtures containing azo dyes having a coupling component from the diaminopyridine seriesBASF AG·Filed 1993·Granted Apr 4, 1995·30 cites·4 claims
- 1263US5175262ADoubled reactive dyesBASF AG·Filed 1991·Granted Dec 29, 1992·7 cites·6 claims
- 1362US4965345ASolvent azo dyes having carboxylic acid functionsBASF AG·Filed 1987·Granted Oct 23, 1990·7 cites·7 claims
- 1458US5484460ADye mixtures containing azo dyes having a coupling component from the diaminopyridine seriesBASF AG·Filed 1994·Granted Jan 16, 1996·5 cites·11 claims
- 1558US5245020AReactive dyes with two or three nitrogen-containing haloheterocycles as reactive systemBASF AG·Filed 1992·Granted Sep 14, 1993·6 cites·2 claims
- 1656US5352774ADyes containing thiophene radicalsSANDOZ AG·Filed 1993·Granted Oct 4, 1994·5 cites·17 claims
- 1755US4988802AReactive dyes with three reactive groupsBASF AG·Filed 1990·Granted Jan 29, 1991·5 cites·3 claims
- 1852US4419290ADiazo dyes having a coupler component attached to a sulfaphenyl-azo-phenyl-azo-radicalBASF AG·Filed 1980·Granted Dec 6, 1983·4 cites·2 claims
- 1951US5223607AReactive azo dyes with at lest two reactive halotriazine groupsBASF AG·Filed 1991·Granted Jun 29, 1993·4 cites·4 claims
- 2050US4276045ADyeing and printing of cellulosic textile materialBASF AG·Filed 1980·Granted Jun 30, 1981·4 cites·3 claims
- 2148US5536840AProcess of preparing diaminopyridine compoundsBASF AG·Filed 1993·Granted Jul 16, 1996·3 cites·4 claims
- 2244US4965346AHeterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling componentsBASF AG·Filed 1989·Granted Oct 23, 1990·2 cites·6 claims
- 2341US5330543AThiopheneazo dyes with a coupling component of the diaminopyridine seriesBASF AG·Filed 1993·Granted Jul 19, 1994·2 cites·12 claims
- 2437US5623060ADye mixture containing at least four diazo dyes having the same color with a diaminopyridine coupling componentBASF AG·Filed 1994·Granted Apr 22, 1997·3 cites·14 claims
- 2536US5216137ADoubled phenyl azo naphthalene reactive dyes having four halotriazine reactive groups and a phenylene diamine series bridge memberBASF AG·Filed 1991·Granted Jun 1, 1993·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →