Ciba Specialty Chemicals Corporation

Ciba-geigy Corporation

Basf Se Corporation

Clariant International Ltd

Georges Metzger

Dieter Reinehr

Fabienne Cuesta

Peter Rohringer

Claude Eckhardt

Ian J Fletcher

Christophe Bulliard

Hanspeter Sauter

Pascal Hayoz

Helmut Luther

Robert Hochberg

Serge Hauger

Rainer Hans Traber

Werner Kaufmann

Hans Kramer

Sonia Megert

J&uuml;rgen Kaschig

Jürgen Kaschig

Peter Michaelis

Gerhard Reinert

Thomas Schäfer

Vien V Toan

Jurgen Kaschig

Ted Deisenroth

Hauke Rohwer

Mario Dubini

Ullrich Menge

Oliver Becherer

Stéphane Biry

Jean-Jacques Donzé

Michael Milde

Volker Papendick

Marc Roger Grienenberger

Roland Naef

Denis Planchenault

Eric Signoret

Ren&eacute; Schlatter

Bernd Wockenfuss

Vien Van Toan

The present invention provides compounds having the formula: in which R is hydrogen, hydroxy, halogen, C-C-alkyl, C-Ccycloalkyl, C-Calkenyl, C-Calkynyl, C-C-alkoxy, C-Ccycloalkoxy, C-Calkenoxy, C-Calkynoxy or C-Caralkyl; Rand R, independently, are hydrogen, C-Calkyl, C-Ccycloalkyl, C-Caralkyl, &#x2014;C(&#x2550;O)&#x2014;R(in which Ris C-Calkyl, C-Calkyl interrupted by 1 to 6 oxygen atoms, hetero-substituted C-Calkyl, C-Ccycloalkyl, C-Calkenyl, C-Calkynyl, C-C-alkoxy, C-Ccycloalkoxy, C-Calkenoxy, C-Calkynoxy, C-Caryl, C-Caryloxy or C-Caralkyl), or &#x2014;C(&#x2550;O)&#x2014;NH&#x2014;Rin which Rhas its previous significance; and Ris hydrogen, halogen, hydroxy, C-Calkyl, C-Ccycloalkyl, C-Calkenyl, C-Calkynyl, C-C-alkoxy, C-Ccycloalkoxy, C-Calkenoxy, C-Calkynoxy, phenyl, C-Caralkyl or &#x2014;N(R)(R) in which Rand Rhave their previous significance, or Rand Rtogether form a C-Cmembered ring. The new triphenyltriazine compounds have improved absorption spectrum characteristics and superior resistance to exposure to UV light, relative to known triphenyltriazine compounds.

Amino- and hydroxysubstituted triphenyl-s-triazines as stabilizers

A process for improving the sun protection factor (SPF) of cellulosic fibre materials and blends thereof, which comprises contacting said materials with at least one compound of the formula (1) in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; Rand R' independently of each other are hydrogen, hydroxy, optionally substituted alkyl, 4-morpholinyl, &#x2014;NH&#x2014;R, &#x2014;N(R)or &#x2014;O&#x2014;Rwherein Ris optionally substituted alkyl or optionally substituted aryl, Ris a group of formula (2) wherein X is &#x2014;O&#x2014; or &#x2014;NH&#x2014; and Ris C-C-alkyl which carries at least one hydrophilic substituent and R&#x2032; has the meaning of Ror R.

Process for improving the sun protection factor of cellulosic fibre material

A process for improving the sun protection factor (SPF) of cellulosic fibre materials and blends thereof, which comprises contacting said materials with at least one compound of the formula (1) in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; Rand R' independently of each other are &#x2014;NH&#x2014;R, &#x2014;N(R)or &#x2014;O&#x2014;R, wherein Ris aryl substituted by &#x2014;CO&#x2014;X&#x2014;R, wherein X is O or NH and Ris optionally substituted C-C-alkyl, Ris a group of formula &#x2014;O&#x2014;Rwherein Ris hydroxy alkyl, alkoxy alkyl or hydroxy alkoxy alkyl,and R&#x2032; has the meaning of Ror R.

The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, novel asymmetrically substituted derivatives, a process for their preparations and use of the mixture for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials.

Triazinylaminostilbene disulphonic acid mixtures

Novel compounds of formula I are described whereinE corresponds to the formula or to the formula and the radicals R, R, R, R, R', R&#x2032;and R&#x2032;are as defined in claim. Compounds of formula I are suitable for stabilizing organic material, especially plastics materials, surface-coatings, cosmetic preparations, sun protection agents or photographic material, against damage by light, oxygen and/or heat.

Naphthyltriazines as stabilizers for organic material

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 Formula (I) wherein Rrepresents an &#x2014;SOR, &#x2014;SOR, COM, &#x2014;COR, &#x2014;CONRR, &#x2014;CN or &#x2014;NOsubstituent, Ris &#x2014;NH, &#x2014;NH(C-Calkyl), &#x2014;N(C-Calkyl), &#x2014;NH(C-Chydroxyalkyl), &#x2014;N(C-Chydroxyalkyl), &#x2014;NH(C-Calkoxy)(C-Calkyl), &#x2014;N[(C-Calkoxy)(C-Calkyl)], NHC&#x2014;Calkylsulphonic acid, morpholineo, piperidino pyrrolidino, an amino acid or amino acid amide residue from which a hydrogen atom on the amino group has been removed, &#x2014;OC-Calkyl or &#x2014;OC-Chydroxyalkyl, Rand Reach, independently, represent hydrogen, C-Calkyl, C-Chydroxyalkyl or C-CalkoxyC-Calkyl and M is H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubsituted by C-Calkyl, C-Chydroxyalkyl or a mixture thereof, some of which are new

Method for the fluorescent whitening of cotton

Biphenyl-substituted triazines of the formulawhich are notable for high thermal stability, are used as stabilizers for organic polymers to counter damage thereto caused by light, oxygen and heat, as light stabilizers for textile fiber materials and as sunscreens for the human skin.

Biphenyl-substituted triazines

A process for removing stain in a photographic material is described which process comprises incorporation of at least one compound of the formula (I)wherein

Process for removing stain in a photographic material

Biphenyl-substituted triazines of the formulaewhich are notable for high thermal stability, are used as stabilizers for organic polymers to counter damage thereto caused by light, oxygen and heat, as light stabilizers for textile fiber materials and as sunscreens for the human skin.

The use of a polymeric carrier material treated with a fluorescent whitening agent, for lightening human skin and for protecting human skin against UV radiation, is described.

Use of fluorescent whitening agents

The present invention relates to compounds having formula ( ): wherein each R represents, independently, a linear C -C -alkylene residue which is unsubstituted or substituted by hydroxy, C -C -alkyl, C -C -alkoxy, C -C -hydroxy- or alkoxy-alkoxy, &mdash;OCOM, &mdash;OCOC -C -alkyl, or an amino acid residue from which a hydrogen atom on the amino group has been removed; each R represents, independently, a linear C -C -alkylene residue which is unsubstituted or substituted by hydroxy, C -C -alkyl, C -C -alkoxy, C -C -hydroxy- or alkoxy-alkoxy, &mdash;OCOM, &mdash;OCOC -C -alkyl, &mdash;CO M, CO C -C -alkyl SO M or phenoxy which is unsubstituted or substituted by halogen, C -C -alkyl or C -C -alkoxy, &mdash;CO M or CO C -C -alkyl, NH or mono- or disubstituted amino; or phenyl which is unsubstituted or substituted by 1 to 3 SO M, SO NHC -C -alkyl, &mdash;SO NH , &mdash;CO M, &mdash;CO M, &mdash;CO C -C -alkyl, &mdash;CONH , &mdash;CONHC -C -alkyl, &mdash;NHCOC -C -alkyl or mono- or disubstituted amino groups; each R represents independently, hydrogen, C -C -alkyl, halogen, cyano, SO M, &mdash;SO NH , SO NHC -C -alkyl, &mdash;CO M, &mdash;CO C -C -alkyl, &mdash;CONH , &mdash;CONHC -C -alkyl, or &mdash;NHCOC -C -alkyl; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine and m is an integer of 1 to 3, a process for their preparation and use of the compounds as optical brightening agents for synthetic or natural organic materials or for removing stain in photographic materials.

Triazinylaminostilbene derivative as fluorescent whitening agents

A fabric bleaching composition comprising a peroxy compound and a specified manganese compound is disclosed, as well as a process for bleaching and/or cleaning a fabric by contacting it with said fabric bleaching composition.

Fabric bleaching composition

A process for removing stain in a photographic material is described which process comprises incorporation of at least one compound of formula (I) wherein X is O or NH; n is 1 or 2, p is 0, 1 or 2, M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R , independently, is an amimoacid residue from which a hydrogen atom on the amino group has been removed; each R , independendy, is hydrogen, C -C alkyl, C -C alkoxy, halogen, cyano, COOR, wherein R is hydrogen or C -C alky1, CONH&mdash;R in which R has its previous significance, SO NH&mdash;R in which R has its previous significance, NH&mdash;COR in which R has its previous significance, or SO M, wherein M has its previous significance, or, if n is 1, R can also be CO&mdash;R in which R is C -C alkyl or phenyl, in that photographic material.

Process for the removing stain in a photographic material

Asymmetric stilbene compounds

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Moernach, France

Georges Metzger