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Hermann Loffler Patents |
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Inventor: Loffler; Hermann
Address: Speyer, DE
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6011140 |
Reactive azo dyes with an aminonaphthalenesulfonic acid coupling component and intermediates the |
January 4, 2000 |
| Reactive dyes of the formula ##STR1## where n is 1 or 2,G.sup.1 is hydrogen or hydroxyl,G.sup.2 is hydrogen or hydroxysulfonyl,G.sup.3 is hydrogen or arylazo,R.sup.1 is hydrogen or hydroxysulfonylmethyl,R.sup.2 is hydrogen or hydroxysulfonylmethyl, andD is the radical of a diazo or tetraazo |
| 5929217 |
Reactive dyes with a benzo-fused heterocycle as anchor |
July 27, 1999 |
| Reactive dyes of the formula I ##STR1## where a is 1 or 2,b is 0 or 1,Z.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, nitro, amino, hydroxysulfonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl, carbamoyl or C.sub.1 -C.sub.6 -mono- or dialkylcarbamoyl,A is methyl |
| 5789557 |
Reactive azo dyes with a coupler of the aminonaphthalene series |
August 4, 1998 |
| Reactive dyes of the formula ##STR1## where n is 1 or 2,R.sup.1 is hydrogen or hydroxysulfonyl,R.sup.2 is hydrogen or hydroxyl,R.sup.3 is substituted C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted phenyl,R.sup.4 is hydrogen or R.sup.3 and R.sup.4, together with the |
| 5629409 |
Reactive disazo dyes having two cyanuric chloride mechanisms |
May 13, 1997 |
| Disazo dyes of the formula ##STR1## where n is 0, 1 or 2,D is a radical of a diazo component which is free of fiber-reactive groups,R.sup.1, R.sup.2 and R.sup.3 are each hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl,Z is chlorine or unsubstituted or substituted amino a |
| 4424154 |
Azo dye having a 3-cyano- or 3-carbamoyl-2,6-diaminopyridine coupling component |
January 3, 1984 |
| A disazo dye derived from a pyridine coupling component and having the general formula ##STR1## where X is fluorine, chlorine, bromine, methyl, trifluoromethyl, methoxy, cyano, nitro, methylsulfonyl, ethylsulfonyl, phenylsulfonyl, a carboxylic acid ester group of 2 to 11 carbon a |
| 4305718 |
Dyeing and printing of cellulose-containing textile material |
December 15, 1981 |
| A process for dyeing and printing cellulose-containing textile material, wherein the dye used is a compound of the general formula I ##STR1## where K is the radical of a coupling component of the pyridone, pyrazole or indole series,one of the radicals X, Y and Z is a carboxylic acid |
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