| Patent Number |
Title Of Patent |
Date Issued |
| 5801230 |
Polyfunctional azo reactive dyestuffs |
September 1, 1998 |
| Azo reactive dyestuffs have the following formulawherethe radicals D.sup.1 and D.sup.2 are identical or different and are the radical of a diazo component of the formula |
| 5744589 |
Disazo reactive dyestuffs containing fiber-reactive radicals |
April 28, 1998 |
| Compounds of the formulaare suitable as reactive dyestuffs for the dyeing or printing of substrates. |
| 5665124 |
Process for dyeing and printing materials containing hydroxyl and/or carboxamide groups |
September 9, 1997 |
| Dyeings having improved properties are obtained with a dyestuff of the following formula ##STR1## wherein the substituents have the meaning given in the description. |
| 5625042 |
Diazo reactive dyestuffs, their preparations and use |
April 29, 1997 |
| Novel reactive dyestuffs of the general formula ##STR1## in which A represents CH.dbd.CH, or CH.sub.2 --CH.sub.2 Z, in which Z denotes a substituent which can be split off under dyeing conditions,and in which the other groups have the meaning given in the description, show improved a |
| 5623061 |
Benzene or naphthalene azo dyes containing SO.sub.2 X and triazinyl fiber reactive groups, use t |
April 22, 1997 |
| The invention relates to azo reactive dyes of the formula ##STR1## in which D denotes the radical of a diazo component of the benzene or naphthalene series,X denotes CH.dbd.CH.sub.2 or CH.sub.2 CH.sub.2 --Z, in which Z denotes a radical which can be eliminated under dyeing conditions |
| 5580965 |
Disazo dyestuffs |
December 3, 1996 |
| Disazo dyestuffs have been found which, in the form of the free acid, correspond to the formula (I) ##STR1## represents H or an optionally substituted aliphatic or aromatic radical and R.sup.1 to R.sup.6 and A have the meaning given in the description, which are outstandingly sui |
| 5569747 |
Reactive disazo dyestuffs which contain two heterocyclic reactive groups |
October 29, 1996 |
| Azo class reactive dyestuffs have been found which have the general formula (1) ##STR1## and in which Z.sup.1 and Z.sup.2 represent a reactive group from the pyrimidine series, X represents SR.sup.1, OR.sup.2 or NR.sup.3 R.sup.4, and the remaining substituents have the meanings g |
| 5502173 |
Process for the preparation of a substituted 2-amino-1-sulphonaphthalene |
March 26, 1996 |
| 2,4,6-trifluoro-5-chloro-pyrimidine and the aqueous solution of a salt of 2-amino-5-aminomethyl-naphthalene-1-sulphonic acid are simultaneously metered into a reactor in approximately equimolar amounts and afford a valuable intermediate for the preparation of high-purity dyes. |
| 5463031 |
Reactive dyestuffs |
October 31, 1995 |
| Reactive dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description are highly suitable for the dyeing and printing of cellulose materials and nitrogen-containing materials.They produce dyeings and prints having good wet and light fastness |
| 5459246 |
Reactive dyestuffs containing hydroxy naphthalene disulphonic acids |
October 17, 1995 |
| New reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein the substituents have the meaning given in the description, are suitable for dyeing and printing materials containing hydroxyl groups or amide groups, in particular ce |
| 5453501 |
Phthalocyanine reactive dyestuffs |
September 26, 1995 |
| Phthalocyanine reactive dyestuffs which, in the form of the free acid, have the formula (1) ##STR1## in which the variable radicals have the meaning given in the description, are prepared by condensation of the corresponding amines with cyanuric fluoride or cyanuric chloride in a |
| 5359042 |
2,4-diamino-6-fluorotriazine diazo reactive dyestuffs |
October 25, 1994 |
| New reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein the substituents have the meaning given in the description, are suitable for dyeing and printing materials containing hydroxyl groups or amide groups, in particular ce |
| 5310906 |
Triphendioxazine dyestuffs |
May 10, 1994 |
| The novel triphendioxazine dyestuffs of the formula ##STR1## in which the substituents R, R', T.sub.1, T.sub.2, X, Y and n have the meanings given in the description are highly suitable for the dyeing and printing of cellulose-containing or amido-containing material. |
| 5268474 |
Process for the preparation of reactive dyestuffs |
December 7, 1993 |
| The invention relates to an improved process for the preparation of dyestuffs based on at least one triphendioxazine which is linked to a further chromophore via a triazine at a pH of 5.5 to 2.0 and a temperature of 50 to 100.degree. C. |
| 5241057 |
Amino disazo dyestuffs containing a fluoropyrimidinyl or a fluorotriazinyl reactive group |
August 31, 1993 |
| Dyestuffs of the formula ##STR1## wherein X=--CH.dbd.CH.sub.2, --CH.sub.2 --CH.sub.2 OSO.sub.3 H, --CH.dbd.CHCl or --CH.sub.2 --CH.sub.2 Cl andY=a fiber-reactive fluoropyrimidinyl or fluorotriazine radical and whereinu and v=H or SO.sub.3 H, where u.apprxeq.v. Such dyestuffs suitable for |
| 5212289 |
Reactive azo dyestuffs obtained by coupling diazotized acylamino-aminobenzene sulfonic acid comp |
May 18, 1993 |
| Dyestuffs in the form of their free acid have the following formula (1) ##STR1## in which the substituents have the meaning given in the description. The dyestuffs according to the invention are suitable for dyeing hydroxyl-containing fiber materials in yellow shades. |
| 5202436 |
Triphendioxazine dyestuffs |
April 13, 1993 |
| The new triphendioxazine dyestuffs of the formula ##STR1## in which the substituents have the meaning given in the description are suitable for the dyeing and printing of cellulose-containing and amido-containing materials. |
| 5183881 |
o-Aminoazo compounds |
February 2, 1993 |
| The new o-aminoazo compounds of the formula ##STR1## in which the substituents D, A, R and R.sub.1 and the index n have the meaning given in the description are valuable intermediates for the preparation of metal complex dyestuffs and are also highly suitable for the dyeing of wo |
| 5116957 |
Reactive azo dyestuffs having a fluorotriazine group and improved fixation properties |
May 26, 1992 |
| Reactive azo dyestuffs of the formula ##STR1## wherein R, Z and A have the meaning indicated in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibers, filaments and fabrics of wool, silk and synthetic p |
| 5075428 |
2,4-diamino-6-fluorotriazine disazo reactive dyestuffs |
December 24, 1991 |
| A dyestuff of the formula ##STR1## in which R is H or Ch.sub.3 ##STR2## in which R.sub.1 is H, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or --X--YX is a divalent aliphatic, cycloaliphatic, aliphaticcycloaliphatic radical or an araliphatic radicalY is COOH, SO.sub |
| 5057609 |
Triphendioxazine dyestuffs |
October 15, 1991 |
| Dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description are suitable for the dyeing and printing of hydroxy-containing and amido-containing materials. They produce blue dyeings having high color density and high light fastness and we |
| 4839469 |
Reactive disazo dyestuffs having a fluorocontaining reactive group and a sulphatoethylsulphone s |
June 13, 1989 |
| Dyestuffs of the formula ##STR1## wherein B=CH.dbd.CH.sub.2 or CH.sub.2 CH.sub.2 OSO.sub.3 H,u and v=H or SO.sub.3 H, with u=v,R=Cl, Br, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, COOH, SO.sub.3 H, NHCOCH.sub.3, SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 Hn=0, 1 or 2 ##STR2## T |
| 4748236 |
Azo dyestuffs having sulpho ortho to azo bridge and containing two triazine reactive groups |
May 31, 1988 |
| Reactive azo dyestuffs of the formula ##STR1## wherein D . . . radical of the benzene or naphthalene series, having a sulpho group in the o-position to the azo bridge,K . . . radical of a coupling component of the benzene, naphthalene, pyridone, pyrazolone or hydroxynaphthalene serie |
| 4665179 |
Triphendioxazine dyestuffs |
May 12, 1987 |
| Dyestuffs of the formula ##STR1## with the substituent meanings mentioned in the description, are suitable for dyeing and printing hydroxyl- and amido-containing textile materials. To prepare these dyestuffs, new intermediates of the formula ##STR2## are used. |
| 4659806 |
Disazo copper complex reactive dyestuffs |
April 21, 1987 |
| Copper complexes of disazo dyestuffs of the formula ##STR1## wherein R, Z, K and A have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibres, filaments and fabrics of wool, silk or |
| 4629788 |
Triphendioxazine reactive dyestuffs |
December 16, 1986 |
| Dyestuffs of the formula ##STR1## where the substituents are defined as in the descriptive part are highly suitable for dyeing and printing hydroxyl- or amide-containing materials. They produce bright dyeings and prints having good fastness properties. |
| 4622396 |
Triphendioxazine dyestuffs |
November 11, 1986 |
| The present invention relates to dyestuffs of the formula ##STR1## wherein A=a substituent,B=H or a substituent, with the proviso that at least one of these substituents contains a fibre-reactive group, andR.sub.1 -R.sub.4 =H or a substituent.Preferred dyestuffs I are those which contain |
| 4621138 |
Triphendioxazine dyestuffs |
November 4, 1986 |
| Triphendioxazine dyestuffs of the formula ##STR1## having the substituent meanings specified in the descriptive part, are highly suitable for dyeing and printing hydroxyl- or amido-containing materials, in particular fibre materials, and produce wash-fast dyeings and prints. |
| 4604459 |
Triphendioxazine reactive dyestuffs |
August 5, 1986 |
| Dyestuffs of the formula ##STR1## wherein R=H or optionally substituted alkyl, in particular optionally substituted C.sub.1 -C.sub.4 -alkyl,R.sub.1 =H or substituent,T.sub.1, T.sub.2 =H, Cl, Br, optionally substituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, phenyl or pheno |
| 4591643 |
Triphendioxazine reactive dyestuffs |
May 27, 1986 |
| The present invention provides new triphendioxazine dyestuffs of the formula ##STR1## wherein W represents an optionally substituted sulphonamide groupZ represents a reactive group or hydrogen and the other substituents are defined as in the text of the application.The new reactive d |
| 4578461 |
Triphendioxazine dyestuffs |
March 25, 1986 |
| Dyestuffs of the formula ##STR1## where the substituents are as defined in the descriptive part of the Application, are suitable for dyeing natural and synthetic fibre materials and produce dyeings having good fastness properties. |
| 4577015 |
Triphendioxazine vinyl sulphone dyestuffs |
March 18, 1986 |
| Triphendioxazine dyestuffs of the formula ##STR1## where the substitutents are as defined in the descriptive part, produce blue to reddish blue dyeings of good light and wet fastness on cellulose and polyamide materials. The new dyestuffs are obtained by oxidative cyclization of |
| 4568421 |
Monofluorotriazinyl compounds, processes for their preparation and their use as sizing agents |
February 4, 1986 |
| New monofluorotriazinyl compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 can be identical or different and represent a hydrocarbon radical with 12 to 24 C atoms andX represents an oxygen atom, a sulphur atom or the group NR.sup.3,whereinR.sup.3 denotes hydrogen or a hydrocar |
| 4532323 |
Process for the preparation of triphendioxazine compounds |
July 30, 1985 |
| A new process for the preparation of triphendioxazine compounds is provided.The process is characterized in that a 2,5-diarylaminobenzoquinone compound is treated with oleum in the presence of iodine or an inorganic iodine compound. |
| 4446067 |
Azo reactive dyestuffs |
May 1, 1984 |
| Dyestuffs of the formula ##STR1## wherein D, R, R.sub.1 and R.sub.2 have the meaning indicated in the description,and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibres, filaments and fabrics of wool, silk or synthetic p |
| 4418015 |
Phthalocyanine reactive dyestuffs |
November 29, 1983 |
| The present invention relates to new phthalocyanine reactive dyestuffs which, in the form of the free acid, correspond to the formula I ##STR1## wherein Pc, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, a, b and c have the meaning given in the text of the Application.The phth |
| 4299764 |
Azo reactive dyestuffs |
November 10, 1981 |
| Dyestuffs of the formula ##STR1## wherein R, T.sub.1, R.sub.1, R.sub.2, NR.sub.1 R.sub.2, T.sub.2, Z, B and. . . have the meaning given in the description,and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibers, filaments and |
| 4280956 |
Phthalocyanine reactive dyestuffs |
July 28, 1981 |
| Phthalocyanine reactive dyestuffs of the formula ##STR1## wherein Pc, A, Z, Y, Q, a, b and c have the meaning given in the description,and their use for dyeing and printing materials containing hydroxyl groups or containing amide groups, such as textile fibres, yarns and fabrics |
| 4273553 |
Anthraquinone reactive dyestuffs |
June 16, 1981 |
| Dyestuffs of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, m, n, p and X have the meaning given in the description,and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibres, filaments and woven fabrics of |
| 4107186 |
4-Hydroxyanthrones and process of preparation |
August 15, 1978 |
| 4-Novel hydroxyanthrones of the formula ##STR1## wherein R.sup.11 and R.sup.17 are as set forth in the specification. AND A PROCESS FOR THE PREPARATION OF 4-HYDROXYANTHRONES WHEREIN (2-HALOGENO-METHYL)-PHENYL HALOFORMATES OF THE FORMULA ##STR2## wherein R.sup.5 -R.sup.7 are a |
