Patents by Inventor Dieter Reinehr
Dieter Reinehr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6215029Abstract: A process for the preparation of halohydroxydiphenyl compounds useful for protecting organic materials and articles from microorganisms, of the formula by acylation of a halogenated benzene compound (first stage), etherification of the acylated compound with a halogenated phenol compound (second stage), oxidation of the etherified compound (third stage) and hydrolysis of the oxidized compound in a fourth stage, according to the following reaction scheme: in which R1 and R2 independently of one another are F, Cl or Br; R3 and R4 independently of one another are hydrogen; or C1-C4alkyl; m is 1 to 3; and n is 1 or 2.Type: GrantFiled: June 9, 1999Date of Patent: April 10, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Burckhardt, Armando Di Teodoro, Werner Hölzl, Dieter Reinehr, Rudolf Zink, Hanspeter Sauter, Uwe Gronde
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Patent number: 6210449Abstract: The present invention provides new compounds having formula (1), in which X is 0 or, preferably, NH; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine; each R1, independently, is an aminoacid residue from which a hydrogen atom on the amino group has been removed; n is 1 or 2; and each R2, independently, is hydrogen, C1-C3alkyl, halogen, cyano, COOR in which R is hydrogen or C1-C3alkyl, CONH—R in which R has its previous significance, SO2NH—R in which R has its previous significance, NH—COR in which R has its previous significance, SO3M in which M has its previous significance or, when n is 1, R2 can also be CO—R3 in which R3 is C1-C3alkyl or phenyl; provided that those compounds are excluded in which a) X is NH, n is 1 and R2 is SO3M in which M has its previous significance; or b) X is NH, n is 2 and one R2 is SO3M in which M has its previous significance, and the other R2 is hydrogen, methyl or halogen; or c) X is NH, n is 1, R1 is glycine and R2 is H or CType: GrantFiled: September 20, 1999Date of Patent: April 3, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Peter Rohringer, Georges Metzger, Dieter Reinehr
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Patent number: 6201000Abstract: The invention is related to a composition containing benzotriazole derivatives of formula (I) and the method of treating skin damages due to harmful UV radiation using this claimed composition.Type: GrantFiled: May 18, 1999Date of Patent: March 13, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Helmut Luther, Dieter Reinehr, Rudolf Zink
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Patent number: 6193960Abstract: The present invention relates to novel s-triazine compounds, processes for their preparation and the use of these novel compounds as UV filters in sunscreen compositions. The novel compounds are those of the formula The triazine compounds of the formula (1) according to the invention are distinguished by a high UV absorption and are particularly suitable as UV filters, i.e. for protecting ultra-violet-sensitive organic materials, in particular the skin and the hair of man and animals, from the harmful action of UV radiation.Type: GrantFiled: April 6, 2000Date of Patent: February 27, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Georges Metzger, Dieter Reinehr, Helmut Luther
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Patent number: 6143888Abstract: 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 UVA compound, some of which are new compounds.Type: GrantFiled: December 2, 1998Date of Patent: November 7, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Peter Rohringer, Dieter Reinehr, Robert Hochberg, Georges Metzger
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Patent number: 6143889Abstract: Asymmetric compounds having the formula: in which M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine: Xa and Xb are the same or different and each is NH.sub.2 ; NH(C.sub.1 -C.sub.4 alkyl); NH(C.sub.2 -.sub.4 alkoxyalkyl); N(C.sub.1 -C.sub.4 alkyl).sub.2 ; N(CH.sub.2 CH.sub.2 OH).sub.2 ; a group NH--Z--NR.sub.1 R.sub.2 in which Z is C.sub.2 -C.sub.14 alkylene or optionally substituted arylene, and R.sub.1 and R.sub.2 are the same or different and each is C.sub.1 -C.sub.12 alkyl or R.sub.1 and R.sub.2, together with the nitrogen atom to which they are each attached, form a morpholino, piperidino or piperazino ring; an aminoacid residue; C.sub.1 -C.sub.4 alkoxy; hydroxy-substituted-C.sub.2 -C.sub.4 alkoxy; ##STR1## and Ya and Yb are the same or different and each is a substituted amino group having both UVA and UVB-absorbing properties having the formula: ##STR2## in which R.sub.3 is CN; SO.sub.2 R.sub.5 in which R.sub.5 is C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, NH.sub.Type: GrantFiled: December 11, 1998Date of Patent: November 7, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Georges Metzger, Dieter Reinehr, Claude Eckhardt, Fabienne Cuesta
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Patent number: 6117189Abstract: 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 at least one fluorescent whitening agent, which absorbs radiation in the wavelength range 280-400 nm, preferably by washing the textile fiber material with a detergent containing said fluorescent whitening agent.Type: GrantFiled: May 10, 1995Date of Patent: September 12, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Peter Fankhauser, Claude Eckhardt
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Patent number: 6096919Abstract: A process for the preparation of sulphonated distyryl-biphenyl compounds of formula: ##STR1## in which R.sub.1 represents hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy or halogen, R.sub.1A represents hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy or halogen and M represents hydrogen, an alkaline- or alkaline earth-metal, or ammonium, characterised by reacting a compound of formula: ##STR2## in which R.sub.2 represents C.sub.1 -C.sub.5 alkyl, with a compound of formula: ##STR3## whereby R.sub.3 represents phenyl, optionally substituted by C.sub.1 -C.sub.4 alkoxy, halogen or SO.sub.3 M, or C.sub.1 -C.sub.12 alkyl, R.sub.4 represents C.sub.2 -C.sub.6 alkylene, and M, R.sub.1 and R.sub.1A are defined as above, in an alcoholic or dipolar aprotic solvent and in the presence of a strong base. Novel compounds of formulae (3) and (4) and a process for their preparation.Type: GrantFiled: May 10, 1999Date of Patent: August 1, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Georges Metzger, Fabienne Cuesta, Denis Planchenault, Eric Signoret
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Patent number: 6080208Abstract: 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 also impart a high sun protection factor (SPF) to textile fibre material treated with them. The present invention also concerns a method of imparting a high whiteness level and a high sun protection factor to textile fibre material, especially cotton, polyamide and wool, comprising treating the textile material with the new compounds.Type: GrantFiled: December 22, 1998Date of Patent: June 27, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Georges Metzger, Hanspeter Sauter
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Patent number: 6045586Abstract: 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 with the new compounds.Type: GrantFiled: January 22, 1998Date of Patent: April 4, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Pierre Bacher, Werner Kaufmann, Dieter Reinehr
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Patent number: 6040443Abstract: There is described a process for the production of a 1,3-benzoxazin-4-one having the formula: ##STR1## in which R.sub.1 and R.sub.2, independently, are hydrogen, cyano, halogen, nitro, C.sub.1 -C.sub.20 alkyl, O--C.sub.1 -C.sub.20 alkyl, phenyl, NH--CO--C.sub.1 -C.sub.20 alkyl, N(R.sub.3).sub.2, SO.sub.2 N(R.sub.3).sub.2, COOR.sub.3 or CON(R.sub.3).sub.2 in which R.sub.3 is hydrogen, cyano, halogen, nitro, C.sub.1 -C.sub.20 alkyl, O--C.sub.1 -C.sub.20 alkyl, phenyl or NH--CO--C.sub.1 -C.sub.20 alkyl, comprising reacting, at elevated temperature, 1 molar equivalent of an o-hydroxybenzamide of formula: ##STR2## in which R.sub.1 has its previous significance, with 2 to 6 molar equivalents of a benzoyl chloride of formula: ##STR3## in which R.sub.2 has its previous significance. The 1,3-benzoxazin-4-ones having the formula (1) so obtained are important intermediates for the production of triazine compounds having excellent absorption spectrum characteristics and good resistance to exposure to UV light.Type: GrantFiled: July 20, 1998Date of Patent: March 21, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Georges Metzger, Dieter Reinehr, Serge Hauger
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Patent number: 6020490Abstract: There is disclosed a simple process for the preparation of hydroxyphenyl-1,3,5,-triazines of formula (1), which comprises reacting 1 mol of a salicyl compound of formula (2) with 2 (mol) of the benzamidine of formula (3). The novel triazines are useful AV absorbers for organic materials, in particular polyester fibre materials.Type: GrantFiled: January 25, 1996Date of Patent: February 1, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Jean-Pierre Bacher
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Patent number: 6015504Abstract: 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 factor (SPF) of textile fiber material, especially cotton, polyamide and wool, treated with the new compounds and with certain known compounds.Type: GrantFiled: January 26, 1998Date of Patent: January 18, 2000Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Claude Eckhardt, Robert Hochberg, Werner Kaufmann, Georges Metzger
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Patent number: 5965506Abstract: A fabric bleaching composition comprising a peroxy compound and a specified manganese complex is disclosed, as well as a process for bleaching and/or cleaning a fabric by contacting it with said fabric bleaching composition.Type: GrantFiled: October 28, 1997Date of Patent: October 12, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Pierre Bacher, Claude Eckhardt, Dieter Reinehr
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Patent number: 5945396Abstract: The present invention provides a compound having the formula: ##STR1## in which each R.sub.d is the same or different and each is --NH--Z--N(R.sub.a)(R.sub.b) or --N--?Z--N(R.sub.a)(R.sub.b)!.sub.2 in which Z is C.sub.2 -C.sub.14 alkylene or optionally substituted arylene, R.sub.a and R.sub.b are the same or different and each is C.sub.1 -C.sub.12 alkyl, or R.sub.a and R.sub.b, together with the nitrogen atom to which they are each attached, form a morpholino, piperidino or piperazino ring; each R.sub.c is the same or different and is NH.sub.2, NH(C.sub.1 -C.sub.4 alkyl), N(C.sub.1 -C.sub.4 alkyl).sub.2, N(CH.sub.2 CH.sub.2 OH).sub.2, O--C.sub.1 -C.sub.4 alkyl, ##STR2## alkali metal atom, ammonium or a cation formed from an amine; or a quaternized form thereof.Type: GrantFiled: December 23, 1997Date of Patent: August 31, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Claude Eckhardt, Georges Metzger, Dieter Reinehr, Hanspeter Sauter, Mario Dubini
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Patent number: 5942564Abstract: The invention relates to o-hydroxyphenyl-s-triazines of formula ##STR1## wherein at least one of Y and Z are C.sub.1 -C.sub.18 alkoxyThe compounds are suitable for use as UV stabilisers for the photochemical and thermal stabilisation of polyester fibre materials and as stabilisers for organic ploymers.Type: GrantFiled: January 15, 1997Date of Patent: August 24, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Jurgen Kaschig, Dieter Reinehr, Manfred Rembold
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Patent number: 5939379Abstract: 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 factor (SPF) of textile fibre material, especially cotton, polyamide and wool, treated with the new compounds.Type: GrantFiled: June 2, 1997Date of Patent: August 17, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Claude Eckhardt, Dieter Reinehr, Georges Metzger, Hanspeter Sauter
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Patent number: 5892031Abstract: 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 also impart a high sun protection factor (SPF) to textile fibre material treated with them. The present invention also concerns a method of imparting a high whiteness level and a high sun protection factor to textile fibre material, especially cotton, polyamide and wool, comprising treating the textile material with the new compounds.Type: GrantFiled: May 22, 1997Date of Patent: April 6, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Dieter Reinehr, Georges Metzger, Hanspeter Sauter
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Patent number: 5800862Abstract: The present invention relates to a improving the sun protection factor (SPF) of textile fibre material comprising treating the textile fibre material with a composition comprising at least one flourescent whitening agent which absorbs radiation in the wavelength range 280-400 nm.Type: GrantFiled: May 10, 1995Date of Patent: September 1, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Werner Kaufmann, Dieter Reinehr, Rolf Hilfiker
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Patent number: 5779741Abstract: 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-C.sub.1 -C.sub.4 alkylammonium, mono-, di- or tri-C.sub.1 -C.sub.4 hydroxyalkylammonium or ammonium that is di- or tri-substituted by a mixture of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 hydroxyalkyl groups; R.sub.1 is a group having the formula: ##STR2## in which M has its previous significance and n is 1 or 2; and R.sub.2 is O--C.sub.1 -C.sub.12 alkyl or N(R.sub.3)(R.sub.4) in which R.sub.3 and R.sub.4, independently, are hydrogen, C.sub.1 -C.sub.2 alkyl or C.sub.1 -C.sub.4 hydroxyalkyl, or R.sub.3 and R.sub.4, together with the nitrogen atom, are the atoms required to form a pyrrolidine, piperidine or morpholine group.Type: GrantFiled: April 21, 1997Date of Patent: July 14, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Pierre Bacher, Claude Eckhardt, Dieter Reinehr