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7812156 Optical brightening agents  
The instant invention relates to stilbene optical brightening agents which combine a high solubility in water while providing superior fluorescent whitening effects when applied to the surface of...
7198731 Optical brighteners  
The present invention relates to the use of compounds of formula (I) wherein all substituents are as defined in the claims as optical brighteners as well as to new mixtures of optical brighteners.
7166564 Optical brighteners  
The invention relates to novel bis(triazinylamino)stilbenes which are suitable as UV absorbers and fluorescent whiteners for textile materials and also bring about an increase in the treated...
7019134 Amphoteric optical brighteners, their aqueous solutions, their production and their use  
Water soluble, amphoteric optical brighteners (W) comprising at least one brightener-characteristic radical X which contain at least one anionic substituent and covalently linked over at least one...
6929667 Method for the fluorescent whitening of cotton  
A method for the fluorescent whitening of cotton in a discontinuous process comprising contacting the cotton, I an aqueous bath having a pH value of 6 or less, with one or more compounds of the...
6919452 Diaminostilbene derivatives  
The following 4,4′-bis(1,3,5-triazinylamino)stilbene-2,2′-disulfonic acid derivative is well soluble in water: in which each of R11 and R12 is hydrogen, or a specifically substituted or uns...
6890454 Optical brighteners compositions their production and their use  
The invention relates to an optical brightener mixture (W) comprising optical brighteners (A) of formula (Ia), and (B) of formula (Ib) and optionally (C) of formula (Ic) as defined herein, their...
6723846 Triazinylaminostilbene derivative as fluorescent whitening agents  
The present invention relates to compounds having formula (1): wherein each R1 represents, independently, a linear C1-C4-alkylene residue which is unsubstituted or substituted by hydroxy,...
6596864 Stilbene brightener  
This invention relates to compounds of the formula (I) whereZ is SO3M, COOR1, CONR1, SO2NHR1, NHCOR1, COR2, or CN, whereR1 is M or C1-C3-alkyl andR2 is C1-C3-alkyl or phenyl,X is O or NR3, whereR3...
6482241 Asymmetric stilbene compounds  
The present invention provides, as a first aspect, an asymmetric compound having the formula: in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; Xa and Xb are...
6469006 Antiviral indoleoxoacetyl piperazine derivatives  
This invention provides compounds having drug and bio-affecting properties, their pharmaceutical compositions and method of use. In particular, the invention is concerned with indoleoxoacetyl...
6464735 Fluorescent whitening agents  
The present invention provides new compounds having the formula: in which X is O or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1,...
6365737 Process for the preparation of stilbene compounds  
A process for the preparation of a 4,4′-bis-(triazinylamino)-stilbene-2,2′-disulphonic acid compound of formula (1) is disclosed, characterized in that (a) in a first reaction step cya...
6331626 Triazinylaminostilbene compounds  
The present invention provides a hydrate of the 4,4'-di-triazinylamino-2,2'-di-sulfostilbene compound having the formula: ##STR1##in which M and M1 independently represent hydrogen, an alkaline-,...
6248887 Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives  
Process for the preparation of stilbene-disulphonic acids containing bis-alkoxy-triazinyl-amino, or derivatives thereof, characterized in that stilbene-disulphonic acids containing...
6143888 Use of triazine-based UVAs for use as quenchers in paper-making processes  
The present invention provides a process for the inhibition (quenching) of the effect of an anionic fluorescent whitening agents on a substrate, comprising treating the substrate with a triazine...
6121444 Process for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic acid salts  
In the preparation of substituted 4,4'-diaminostilbene-2,2'-disulfonic acid salts a clear increase in the reaction rate may be achieved by carrying out the reaction of the tetrachlorine derivative...
6096889 Process for making high performance dyes  
An aromatic amino sulfonic acid compound is purified by a process including steps of: (a) dissolving the aromatic amino sulfonic acid compound in aqueous medium having a basic pH; (b) acidifying...
6080208 Stilbene compounds and their use  
The present invention provides new stilbene compounds which are useful as fluorescent whitening agents (FWAs), imparting high whiteness levels to textile fibre material treated with them, and which...
6045586 Compounds having ultra-violet absorption properties  
The present invention relates to new compounds which are useful as ultraviolet absorbing agents (UVAs) and to a method of improving the sun protection factor (SPF) of textile fibre material treated...
6025490 Process for the preparation of substituted 4,4'-diaminostilbene-2,2'-disulphonic acids  
A process for the preparation of compounds of the formula (I) ##STR1## wherein n represents 0-2; M represents H, alkali metal ion or optionally substituted ammonium ion; and X represents anilino,...
5939379 Triazine derivatives and their use  
The present invention relates to new compounds which are useful as ultraviolet absorbing agents (UVAs) and as fluorescent whitening agents (FWAs), and to a method of improving the sun protection...
5873913 Optical brightening agents  
Optical brightening agents for use in textiles, paper, detergents correspond to the formula ##STR1## where R, R1 are preferably derived from amino-acids, particularly glutamic and iminodiacetic acids.
5852015 Triazine containing anionic compounds useful as antiviral agents  
This invention provides triazine ring containing anionic compounds, pharmaceutical compositions containing these compounds and methods utilizing these compounds for treating viral infections,...
5779741 Fluroescent whitening agents  
The present invention provides a compound having the formula: ##STR1## in which M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-, di-, tri- or tetra-C1 -C4 alkylammonium,...
5744599 Triazinyldiaminostilbene compounds useful as ultraviolet absorbers and as fluorescent whitening agents  
The present invention relates to new compounds which are useful as ultraviolet absorbing agents (UVAs) and as fluorescent whitening agents (FWAs), and to a method of improving the sun protection...
5656760 Fluorescent whitening agents  
The present invention provides a compound having the formula: ##STR1## in which M is hydrogen, sodium, potassium, calcium, magnesium, ammonium, mono-, di-, tri- or tetra-C1 -C4 alkylammonium,...
5493022 Brightener and light stabilizer salts  
Salts of organic optical brighteners or light stabilizers with compounds which contain at least one ammonium, cycloammonium or immonium group and at least one aliphatic group, cycloaliphatic group,...
5484919 Migration-resistant halomethyl-1,3,5-triazine photoinitiator  
A chromophore-substituted halomethyl-1,3,5-triazine photopolymerization initiator. The initiator preferably comprises three moleties--a residue of a hydroxyl-substituted, chromophore-substituted,...
5466802 Detergent compositions which provide dye transfer inhibition benefits  
Disclosed are detergent compositions and methods which are suitable for washing colored fabrics in aqueous washing solution with little or no transfer of dye between fabrics. The compositions...
5457198 Water-soluble triazine derivatives  
Water-soluble triazine derivatives of the formula (1) are described. The compounds are representatives from the class of sterically hindered mines (HALS stabilizers). They are suitable for...
5227475 Water-soluble fiber-reactive dyestuffs containing a cyanamido-substituted triazinylamino-grouping, and a process for dyeing with the use of these dyes  
Water-soluble dyestuffs which correspond to the formula (1) given below, have fiber-reactive properties and dye synthetic and natural materials, in particular fiber materials, containing hydroxyl...
4812558 Triazine compound having two vinylsulfone type fiber reactive groups  
A triazine compound having at least one symtriazine moiety of the following formula, ##STR1## wherein R is hydrogen or unsubstituted or substituted alkyl, Y is vinyl or --CH2 CH2 L in which L is a...
4678852 Process for reacting cyanuric chloride with ammonia or with amines  
The process and the apparatus according to the invention are used to produce a suspension of cyanuric chloride in water, or to react cyanuric chloride with ammonia or with amines. It is possible to...
4602049 Novel product and process of isocyanurate production  
Disclosed is a novel class of amidinium salts having the formula ##STR1## wherein R1, R2, R3, and R4 when taken individually are independently selected from lower-alkyl, aralkyl and cycloalkyl,...
4549980 White modification of a bis-triazinyl amino stilbene optical brightener and a process for making the same  
The present invention is concerned with the modification of the sodium salt of a known optical brightener to obtain a white crystalline material. The commercially available...
4468341 Stable purified aqueous solutions of fluorescent whitening agent  
A process for the preparation of a stable aqueous solution of the tetrasodium salt of 4,4'-bis(4-p-sulfo-anilino-6-diisopropanolamino-s-triazin-2- ylamino)-2,2'- stilbenedisulfonic acid is...
4366189 4-Heterocyclyl-4'-vinylstilbenes  
The invention relates to 4-heterocyclyl-4'-vinylstilbenes of the formula ##STR1## wherein Q is a monocyclic 5- or 6-membered aromatic heterocyclic ring which is unsubstituted or substituted by...
4326982 Process for the manufacture of fine-crystalline fluorescent brighteners of the bis-triazinylaminostilbene series in the β-crystal form  
A process for the manufacture of fine-crystalline fluorescent brighteners of the bis-triazinylaminostilbene series in the β-crystal form by mixing the water-containing fluorescent brightener ...
4271036 Colorless formulations of optical brighteners from the series of bis-triazinylamino-stilbene-disulfonic acid compounds  
Colorless formulations of optical brighteners from the 4,4'-bis-triazinylamino-stilbene-disulfonic acid series, which are obtained by heating the brightener together with an oxyalkylate.
4263176 Color-stable brighteners for detergents  
Brighteners for detergents consisting of a mixture of 4,4'-bis-(2-morpholino-4-anilino-1,3,5-triazinylamino)-stilb ene-2,2'-disul fonic acid-di-Na salt and from 5 to 50% by weight, calculated on...
4252604 Bis-(triazinylamino)-stilbenesulphonic acids  
Bis-(triazinylamino)-stilbenesulphonic acids ##STR1## wherein X is optionally substituted NH2 ##STR2## Y is a radical of formula Z is --COOR4, --CO--Cm H2m+1, --CN or ##STR3## R1 is H, halogen,...
4212763 Bis-triazinylaminostilbene compounds and their use as fluorescent brightening agents  
Bis-triazinylaminostilbene compounds of the formula ##STR1## in which R1 is alkyl, alkenyl, cyclohexyl or phenylalkyl, R2 is hydrogen, alkyl, cyclohexyl, benzyl, alkyl which is substituted by...
4125413 Dispersion of polycyclic vat-dye pigment with N,N'-disubstituted diaminostilbene sulfonic acid fluidizing agent  
The present invention relates to a fluidizing agent which is a substituted ammonium salt of an N,N'-disubstituted diaminostilbene sulphonic acid wherein there is at least one organic radical...
4112226 Process for removing non-fluorescent triazine derivative impurities from fluorescent agents  
A method for removing non-fluorescent triazine derivative impurities having the structural formula: ##STR1## wherein R1 is a hydroxy group or a halogen atom, R2 is a hydroxy group or the group...
4025507 Bis-(triazinylamino) stilbene compounds  
Disclosed are compounds of formula I, ##STR1## in which THE R1 's are the same and signify hydrogen or methyl, The R2 's are the same and signify hydrogen; C1-6 alkyl; cyclohexyl, unsubstituted or...
4024071 4,4'-Bis-(s-triazin-6-yl-amino)-stilbene-2,2'-disulphonic acid  
The 4,4'-bis-[2",4"-bis-(diisopropanolamino)-s-triazin-6"-yl-ami no]-stilbene-2 ,2'-disulphonic acid, its manufacture as well as its use as optical brightener for natural or synthetic polyamides...
4017483 Coumarino-3,4-oxazoles  
The present invention provides new coumarino-3,4-oxazoles. The novel compounds are suitable optical brighteners for high molecular organic materials, especially for polyesters, polyvinyl chloride...
4012378 Reactive dyestuffs  
Reactive azine dyestuffs of the formula: ##STR1## wherein Am is selected from a group consisting of anilino, di(lower alkyl)amino and N(lower alkyl)benzylamino radicals, one of Y1 and Y2 is H or...
4005026 Detergent compositions containing novel crystalline forms of optical brighteners  
Novel crystalline needle forms of the fluorescent compounds disodium 4,4'-bis(4-anilino-6-morpholino-s-triazin-2-ylamino)-2,2'-st ilbenedisulfon ate and disodium...
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