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Inventor: Seybold; Guenther
Address: Ludwigshafen, DE
No. of patents: 12
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4483795 |
Substituted phenyl disazo dyes containing a 2-amino-substituted thiazole radical |
November 20, 1984 |
| Compounds of the general formula I ##STR1## where D is the radical of a diazo component,R is hydrogen, hydroxy or unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, phenyl or heterocyclic ring,R.sup.1 and R.sup.2 independently of one another are hydrogen or unsubstitut |
| 4464284 |
Mixtures of optical brighteners |
August 7, 1984 |
| A mixture of optical brightener compounds consisting of a compound of formula (A) ##STR1## and at least one compound of formula (B) or (C) where formula (B) is ##STR2## and formula (C) is ##STR3## |
| 4380514 |
Preparation of optical brighteners |
April 19, 1983 |
| A process for the preparation of unsymmetrically substituted optical brighteners of the general formula ##STR1## where X and Y independently of one another are hydrogen, fluorine, chlorine, cyano, C.sub.1 -C.sub.10 -alkoxycarbonyl, unsubstituted or substituted carbamyl or sulfamy |
| 4379934 |
Process for two-dimensionally concentrating light, and novel perylene-3,4,9,10-tetracarboxylic a |
April 12, 1983 |
| A process for concentrating light by means of fluorescent compounds of the formula ##STR1## where the R.sup.1 's independently of one another are ortho-substituted aromatic or heterocyclic radicals which do not contain groups which confer solubility in water, and novel perylene-3 |
| 4372885 |
Bisazo dyes containing a 2-amino-substituted thiazole radical |
February 8, 1983 |
| Compounds of the general formula I ##STR1## where D is the radical of a diazo component,R is hydrogen, hydroxy or unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl, phenyl or heterocyclic ring,R.sup.1 and R.sup.2 independently of one another are hydrogen or unsubstitut |
| 4371734 |
Preparation of thiazole derivatives |
February 1, 1983 |
| A process for the preparation of a thiazole derivative of the formula ##STR1## where R.sup.1 to R.sup.4 are organic radicals and R.sup.3 and R.sup.4 may also be hydrogen, by reacting a compound of the formula ##STR2## with a methylene-active compound of the formula ##STR3## |
| 4340537 |
Monoazo dyes of the thiazole series having a heterocyclic substituent in the 4-position |
July 20, 1982 |
| Dyes of the thiazole series, having the general formula I ##STR1## where D is the radical of an aromatic diazo component,R is a heterocyclic radical andR.sup.1 and R.sup.2 are hydrogen or unsubstituted or substituted hydrocarbon radicals, which may also together form a ring, which may or |
| 4327019 |
Acid azo dyes from a 3-amino-benzisothiazole-[2,1]-5-sulfonic acid diazo component |
April 27, 1982 |
| Acid monoazo dyes of the formula ##STR1## in which X is hydrogen, chloro, bromo, nitro, C.sub.1 to C.sub.4 alkyl, methoxy, ethoxy or C.sub.2 to C.sub.4 alkanoylamino and K is a radical of a coupling compound as defined below. The dyes are suitable for dyeing natural or synthetic |
| 4250090 |
2-Amino-5-arylazoarylazothiazole compounds |
February 10, 1981 |
| Acid azo dyes containing thiazole coupling components, of the general formula ##STR1## where D is the radical of a diazo component,R is hydrogen, acetyl, benzoyl or an aliphatic, cycloaliphatic, aromatic or heterocyclic radical,R.sup.1 and R.sup.2 independently of one another are opt |
| 4239894 |
Thiazole derivatives |
December 16, 1980 |
| An organic compound of the general formula ##STR1## where R.sup.1 and R.sup.2 are cyano, formyl, substituted or unsubstituted alkanoyl or aroyl, a carboxylic acid ester group, substituted or unsubstituted carbamoyl or sulfamoyl, alkylsulfonyl, arylsulfonyl or alkylsulfinyl, orR.s |
| 4207233 |
Azo dyes containing a thiazole component |
June 10, 1980 |
| Azo dyes of the formula ##STR1## where A is a radical of a diazo component, B is a radical of a coupling component and R is hydrogen, halogen, a substituted or unsubstituted hydrocarbon radical, substituted or unsubstituted alkoxy or aroxy, or substituted amino. The dyes are emin |
| 4153607 |
Process for the production of 4,5-disubstituted thiazoles |
May 8, 1979 |
| 4,5-Disubstituted thiazoles are manufactured by reacting 4-amino-5-cyano-thiazoles with hydrogen sulfide in the presence of basic compounds, followed by dehydrogenating cyclization. The new 3-amino-thiazolo-(4,5-c)-isothiazoles I, 4-amino-5-thiocarbamidothiazoles III and 4,5-disubsti |
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