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7332105 |
Synergistic UV absorber combination
A stabilizer composition comprising (A) a compound of the formula (I) wherein R is (CH 2 —CH 2 —O—) n , —R 2 ; —CH 2 —CH(OH)—CH 2 —O—R 2 ; or —CH(R 3 )—CO—O—R 4 ; n is 0...
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7294714 |
Highly compatible hydroxyphenyltriazine UV-absorbers
The present invention relates to highly compatible hydroxyphenyltriazine UV-absorbers and to their use in protecting plants in green houses and the protection of foodstuffs, beverages,...
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7270771 |
Triazinylaminostilbene disulphonic acid mixtures
The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, novel...
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7208597 |
Pyridyl-triazine derivatives as microbiocidal active substances
Triazine derivatives of formula (1) wherein R 1 is C 1 –C 20 alkyl; C 3 –C 7 cycloalkyl; or C 1 –C 20 perfluoroalkyl; R 2 is hydrogen; C 1 –C 20 alkyl; or C 3 –C 7 cycloalkyl; and R 3 ...
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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.
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7060201 |
Optical brighteners their composition their production and their use
Optical brighteners (P AB ) of formula
wherein
each n independently signifies 1 or 2, the group SO 3 M shown with the floating bond is linked to the position 4 or 5, each M independently...
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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...
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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 R 11 and R 12 is hydrogen, or a specifically substituted...
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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...
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6821643 |
Electroluminescent (EL) devices
An electroluminescent device comprised of an anode and a cathode, and situated therebetween said anode and said cathode at least one electron transport layer comprised of a triazine of the formula ...
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6723846 |
Triazinylaminostilbene derivative as fluorescent whitening agents
The present invention relates to compounds having formula ( 1 ): wherein each R 1 represents, independently, a linear C 1 -C 4 -alkylene residue which is unsubstituted or substituted by hydroxy, C...
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6613104 |
Process for preparing dyes and/or brightener formulations
The invention relates to optical brighteners that possess at least one free SO 3 H group and their use for whitening materials containing cellulose.
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6596864 |
Stilbene brightener
This invention relates to compounds of the formula (I) where Z is SO 3 M, COOR 1 , CONR 1 , SO 2 NHR 1 , NHCOR 1 , COR 2 , or CN, where R 1 is M or C 1 -C 3 -alkyl and R 2 is C 1 -C 3 -alkyl...
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6533961 |
Durable fluorescent organic pigments and methods of making
Daylight fluorescent articles are disclosed that utilize durable fluorescent pigment particles resulting from a fluorescent dye incorporated within a matrix polymer selected from polycarbonate,...
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6398982 |
Composition for the treatment textiles
There is provided a stable, concentrated fabric rinse composition comprising 0.1 to 20, preferably 1 to 10% by weight of a UV absorber selected from a hydroxyaryl-1,3,5-triazine, a...
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6348591 |
Red-shifted trisaryl-1,3,5-triazine ultraviolet light absorbers
This invention relates generally to red-shifted trisaryl-1,3,5-triazines and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet light, actinic...
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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 M 1 independently represent hydrogen, an...
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6274065 |
Process for the preparation of fluorescent compositions, fluorescent compositions and their use
Preparation of a solid fluorescent composition comprising (1) mixing a host chromophore and an effective amount of a pigment precursor in a solvent, then generating a pigment as guest...
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6165973 |
Fluorescent whitening agent, its preparation and use
A fluorescent whitening agent comprising a mixture of compounds of the formulae Ia, Ib and Ic: ##STR1## in which the --SO 3 R groups are in the meta and/or para position, and wherein R and M,...
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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...
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6120704 |
Mixtures of optical brighteners
The invention relates to mixtures of optical brighteners comprising nonionic polyester brighteners and anionic or nonionic polyamide brighteners, which develop a synergistic effect. The brighteners...
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6117189 |
Protective method
The present invention relates to a method for the improvement of the sun protection factor (SPF) of textile fiber material, comprising applying to the textile fiber material a detergent comprising...
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6080711 |
Powder detergent composition and method of making
A powdered laundry detergent is provided with (a) a powder laundry detergent base that includes an inorganic carrier and a surfactant and (b) post-added acidulant and discrete whitening agent...
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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...
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5998351 |
Discrete whitening agent particles method of making, and powder detergent containing same
A powdered laundry detergent is provided with discrete whitening agent particles that do not adversely affect the bulk appearance of the detergent during storage. The detergent includes from about...
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5976410 |
Dispersions of fluorescent whitening agents
Disclosed are dispersions of fluorescent whitening agents which are suitable for the fluorescent whitening of coating compositions for coating paper or of fibre dispersions (paper pulps) in paper...
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5810889 |
Aqueous textile treatment compositions containing an ultra-violet absorbing agent
The present invention provides an aqueous textile treatment composition comprising: a) a non-reactive UVA compound; b) an emulsifier for the UVA compound; c) water, and, optionally, d)...
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5714456 |
Process for making discrete whitening agent particles
A process for preparing discrete whitening agent particles that includes the steps of providing a whitening agent, admixing a surfactant that is a solid in a temperature range of from about 32° F....
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5714452 |
Whitening agent particle composition
An whitening agent particle includes a whitening agent and a surfactant, wherein the surfactant is selected from the group consisting of those anionics, nonionics, zwitterionics, ampholytics,...
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5714450 |
Detergent composition containing discrete whitening agent particles
A powdered laundry detergent is provided with discrete whitening agent particles that do not adversely affect the bulk appearance of the detergent during storage. The detergent includes from about...
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5700394 |
Method for the treatment of textile fibers
A method for the treatment of a textile fiber to reduce the amount of UV light passing through a fabric produced from said treated fiber comprising treating a textile fiber with 0.1 to 6.0% by...
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5695687 |
Anhydrous fluorescent whitening agent formulation
The present invention provides an anhydrous fluorescent whitening agent formulation comprising: a) 5 to 60, preferably 15 to 45% by weight of a fluorescent whitening agent or a mixture thereof; b)...
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5518657 |
Storage-stable formulation of fluorescent whitening mixtures
Storage-stable formulations of whitening mixtures comprising at least two anionic fluorescent whiteners, which preferably contain at least one sulfonic acid radical; an anionic polysaccharide;...
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5432351 |
X-ray intensifying screen
The present invention relates to an X-ray intensifying screen comprising a support, a reflective layer, and a phosphor layer, wherein said phosphor is selected in the group of UV-blue emitting...
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5425898 |
Thickening system for incorporating fluorescent whitening agents
A freeze-thaw stable thickening system for laundry products incorporating low levels of an acid-insoluble fluorescent whitening agent, a nonionic surfactant that comprises substantially of...
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5395748 |
Ballasted optical brighteners
An inexpensive, ballasted optical brightener for use in photographic elements is prepared by reacting an optical brightener of the formula ##STR1## where M is a cation; X is a group capable of...
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5269815 |
Process for the fluorescent whitening of hydrophobic textile material with disperse fluorescent whitening agents from super-critical carbon dioxide
A process for the fluorescent whitening of hydrophobic textile materials, especially polyesters, wherein the textile material is treated with disperse fluorescent whitening agents in supercritical...
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5250223 |
Solution of a fluorescent whitening agent
Solution of a fluorescent whitening agent to be used in the formulation of liquid detergents for hand or machine washing. The solution comprises: a) the substantially water-insoluble fluorescent...
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5149463 |
Thickened acidic liquid composition with sulfonate FWA useful as a bleaching agent vehicle
A liquid laundry product which thickens in the acidic pH range by combination of a copolmer containing carboxylic acid groups, a relatively small amount of an amphoteric surfactant or amine oxide,...
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5076968 |
Aqueous storage-stable whitener formulation with an anionic polysaccharide stabilizer
Storage-stable formulations which contain an anionic fluorescent whitening agent which preferably contains at least one sulfonic acid radical, in a amount of 10-60% by weight, based on the total...
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5074885 |
Process for the dyeing of wool with anionic dyes and ultra-violet absorber and oxidative bleaching following by reductive bleaching
A process for the dyeing of wool with anionic dyes is described, wherein the wool is dyed in the presence of a UV absorber and bleached oxidatively and then bleached reductively in a new bath. This...
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5053055 |
Whitener dispersion
There are disclosed aqueous dispersions comprising water-insoluble or sparingly soluble fluorescent whitening agents, dispersants, further optional assistants and a copolymer of 2-vinylpyrrolidone...
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5051111 |
Whitener dispersion
There are disclosed aqueous dispersions comprising water-insoluble or sparingly soluble fluorescent whitening agents, water-soluble fluorescent whitening agents, dispersants, optional solubilizers,...
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5024786 |
Detergent compositions containing an anionic surfactant and a 4,4'-bis(triazinylamino)-stilbene disulphonic acid optical brightener
An aqueous, isotropic liquid detergent composition comprising an aqueous solution of: a) an anionic surfactant; and b) an optical brightener of formula I ##STR1## in which X is hydrogen, NH 4...
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4946619 |
Solubilization of brighter in liquid hypochlorite
A stable bleaching and brightening composition is provided comprising (a) an active halogen source; (b) an amine oxide surfactant; (c) a stilbene sulfonic acid type FWA and (d) a pH...
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4888128 |
Paper-coating slips containing fluorescent brighteners
Fluorescent brightener salts of the formula ##STR1## in which A denotes the anion of an anionic cellulose fluorescent brightener, R 1 denotes alkyl, alkenyl, aralkyl, aryl or cycloalkyl, R 2...
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4764302 |
Thickening system for incorporating fluorescent whitening agents
A thickening system for laundry products incorporates low levels of a fluorescent whitening agent or dye, a surfactant and an acidic pH adjusting agent. At the acidic pH, the fluorescent whitening...
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4741860 |
Adhesion promoters containing optical brightener
A composition comprising a chlorinated polyolefin and an optical brightener is disclosed. The compositions are useful as detectable adhesion promoters for polyolefin substrates. The compositions...
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4717502 |
Aqueous optical brightener compositions
Aqueous optical brightener compositions consisting essentially of: (a) at least one optical brightener of formula ##STR1## in which R 1 is hydrogen or --SO 3 M; R 2 is hydrogen or --SO 3 ...
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4666627 |
4-Heterocyclylvinyl-4-'styryl-biphenyls
Novel 4-heterocyclylvinyl-4'-styryl-biphenyls of the formula ##STR1## are described, i which A is an isoxazolyl, oxadiazolyl, pyrimidinyl or triazinyl radical which is unsubstituted or substituted...
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