Patents by Inventor Helmut Luther

Helmut Luther 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).

  • Patent number: 7476699
    Abstract: The present invention provides compounds having the formula: in which R is hydrogen, hydroxy, halogen, C1-C20-alkyl, C4-C12cycloalkyl, C2-C20alkenyl, C2-C20alkynyl, C1-C20-alkoxy, C4-C12cycloalkoxy, C2-C20alkenoxy, C2-C20alkynoxy or C7-C13aralkyl; R1 and R2, independently, are hydrogen, C1-C20alkyl, C4-C12cycloalkyl, C7-C13 aralkyl, —C(?O)—R4 (in which R4 is C1-C20alkyl, C2-C20alkyl interrupted by 1 to 6 oxygen atoms, hetero-substituted C1-C20alkyl, C4-C12cycloalkyl, C2-C20alkenyl, C2-C20alkynyl, C1-C20-alkoxy, C4-C12cycloalkoxy, C2-C20alkenoxy, C2-C20alkynoxy, C6-C12 aryl, C6-C12 aryloxy or C7-C13 aralkyl), or —C(?O)—NH—R1 in which R1 has its previous significance; and R3 is hydrogen, halogen, hydroxy, C1-C20alkyl, C4-C12cycloalkyl, C2-C20alkenyl, C2-C20alkynyl, C1-C20-alkoxy, C4-C12cycloalkoxy, C2-C20alkenoxy, C2-C20alkynoxy, phenyl, C7-C13 aralkyl or —N(R1)(R2) in which R1 and R2 have their previous significance, or R1 and R2 together form a C4-C12 membered ring.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: January 13, 2009
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Dieter Reinehr, Georges Metzger, Peter Michaelis, Helmut Luther
  • Publication number: 20070274933
    Abstract: The present invention provides compounds having the formula: in which R is hydrogen, hydroxy, halogen, C1-C20-alkyl, C4-C12cycloalkyl, C2-C20alkenyl, C2-C20alkynyl, C1-C20-alkoxy, C4-C12cycloalkoxy, C2-C20alkenoxy, C2-C20alkynoxy or C7-C13aralkyl; R1 and R2, independently, are hydrogen, C1-C20alkyl, C4-C12cycloalkyl, C7-C13 aralkyl, —C(?O)—R4 (in which R4 is C1-C20alkyl, C2-C20alkyl interrupted by 1 to 6 oxygen atoms, hetero-substituted C1-C20alkyl, C4-C12cycloalkyl, C2-C20alkenyl, C2-C20alkynyl, C1-C20-alkoxy, C4-C12cycloalkoxy, C2-C20alkenoxy, C2-C20alkynoxy, C6-C12 aryl, C6-C12 aryloxy or C7-C13 aralkyl), or —C(?O)—NH—R1 in which R1 has its previous significance; and R3 is hydrogen, halogen, hydroxy, C1-C20alkyl, C4-C12cycloalkyl, C2-C20alkenyl, C2-C20alkynyl, C1-C20-alkoxy, C4-C12cycloalkoxy, C2-C20alkenoxy, C2-C20alkynoxy, phenyl, C7-C13 aralkyl or —N(R1)(R2) in which R1 and R2 have their previous significance, or R1 and R2 together form a C4-C12 membered ring.
    Type: Application
    Filed: August 10, 2007
    Publication date: November 29, 2007
    Inventors: Dieter Reinehr, Georges Metzger, Peter Michaelis, Helmut Luther
  • Publication number: 20070020206
    Abstract: The present invention relates to the use of biotin alone, preferably, however, with vitamin C or a derivative thereof, for the preparation of a cosmetic composition or of a pharmaceutical composition for skin-lightening purposes, for the elimination of skin color irregularities and for the treatment of senile lentigines.
    Type: Application
    Filed: August 12, 2004
    Publication date: January 25, 2007
    Inventors: Roland Jermann, Helmut Luther
  • Publication number: 20050048012
    Abstract: The present invention relates to the use of biotin and biotin derivatives alone, or with vitamin C or a derivative thereof, for the preparation of a cosmetic composition or of a pharmaceutical composition for skin-lightening purposes, for the elimination of skin color irregularities and for the treatment of senile lentigines.
    Type: Application
    Filed: April 28, 2004
    Publication date: March 3, 2005
    Inventors: Roland Jermann, Helmut Luther
  • Patent number: 6818205
    Abstract: 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.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: November 16, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Helmut Luther, Georges Metzger
  • Patent number: 6800762
    Abstract: There is described the use of indoline derivatives of formula wherein R1 is hydrogen; C1-C5alkyl; C1-C18alkoxy; or halogen; R2 is C1-C8alkyl; C5-C7cycloalkyl; C6-C10aryl; R3 is C1-C18alkyl or a radical of formula (1a) R4 is hydrogen; or a radical of formula R5 is C1-C18alkoxy; or a radical of formula R6 and R7 are each independently of the other hydrogen; or C1-C5alkyl; R8 is hydrogen; C1-C5alkyl; C5-C7cycloalkyl; phenyl; phenyl-C1-C3alkyl; R9 is C1-C18alkyl; X is halogen; a radical of formula (1c) and n is 0; or 1, as light-protective agents.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: October 5, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rudolf Zink, Helmut Luther
  • Patent number: 6746666
    Abstract: The use of mixtures of micronised organic UV filters in protecting human and animal skin and hair against the damaging effect of UV readiation and the use thereof in cosmetic and pharmaceutical formulations are described. The micronised mixtures used according to the invention cover a broad UV spectrum and therefore exhibit excellent sunscreen properties.
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: June 8, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Helmut Luther
  • Publication number: 20030229149
    Abstract: Disclosed is the use of hydroxydiphenylether compounds of formula 1
    Type: Application
    Filed: May 23, 2003
    Publication date: December 11, 2003
    Inventors: Werner Baschong, Helmut Luther, Dietmar Ochs, Sebastien Mongiat
  • Publication number: 20030103924
    Abstract: 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.
    Type: Application
    Filed: June 11, 2002
    Publication date: June 5, 2003
    Inventors: Dieter Reinehr, Helmut Luther, Georges Metzger
  • Patent number: 6521217
    Abstract: Disclosed is sun screen formulation, comprising (a) a micronised organic UV absorber, and (b) a cosmetically acceptable carrier, wherein the micronised organic UV absorber is present in the oil phase of the formulation. The sunscreen composition of the invention provides excellent protection of the human skin against the damaging effects of sunlight, while permitting safe tanning of the skin.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: February 18, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Helmut Luther, Albert Stehlin
  • Patent number: 6495122
    Abstract: The invention describes the use of micronized organic UV filters for preventing tanning and for lightening human skin and hair, and their use in cosmetic and pharmaceutical formulations. The micronized UV filters used according to the invention cover a broad UV spectrum and therefore have excellent sunscreen properties.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: December 17, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Peter Fankhauser, Helmut Luther, Werner Baschong
  • Publication number: 20020165298
    Abstract: The present invention provides compounds having the formula: 1
    Type: Application
    Filed: December 11, 2001
    Publication date: November 7, 2002
    Inventors: Dieter Reinehr, Georges Metzger, Peter Michaelis, Helmut Luther
  • Publication number: 20020155073
    Abstract: The invention describes the use of micronized organic UV filters for preventing tanning and for lightening human skin and hair, and their use in cosmetic and pharmaceutical formulations.
    Type: Application
    Filed: February 4, 2002
    Publication date: October 24, 2002
    Inventors: Peter Fankhauser, Helmut Luther, Werner Baschong
  • Publication number: 20020103197
    Abstract: There is described the use of indoline derivatives of formula 1
    Type: Application
    Filed: January 23, 2002
    Publication date: August 1, 2002
    Inventors: Rudolf Zink, Helmut Luther
  • Patent number: 6384284
    Abstract: A description is given of diphenyl compounds of formula wherein R is a camphor or hydantoin derivative; and R1 is hydrogen; or C1-C5alkyl. These compounds are suitable as light stabilizers in cosmetic, pharmaceutical and veterinary formulations.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: May 7, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rudolf Zink, Dieter Reinehr, Helmut Luther, Bernd Herzog
  • Patent number: 6358496
    Abstract: There is described the use of indoline derivatives of formula wherein R1 is hydrogen; C1-C5alkyl; C1-C18alkoxy; or halogen; R2 is C1-C8alkyl; C5-C7cycloalkyl; C6-C10aryl; R3 is C1-C18alkyl or a radical of formula R4 is hydrogen; or a radical of formula R5 is  C1-C18alkoxy; or a radical of formula R6 and R7 are each independently of the other hydrogen; or C1-C5alkyl; R8 is hydrogen; C1-C5alkyl; C5-C7cycloalkyl; phenyl; phenyl-C1-C3alkyl; R9 is C1-C18alkyl; X is halogen; a radical of formula n is 0; or 1, as light-protective agents.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: March 19, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rudolf Zink, Helmut Luther
  • Patent number: 6284821
    Abstract: A description is given of compounds of the formula I in which R1 is C1-C18alkyl; C5-C12cycloalkyl; C3-C6alkenyl; phenyl; C1-C18alkyl which is substituted by phenyl, OH, C1-C18alkoxy, C5-C12cycloalkoxy, C3-C18alkenyloxy, halogen, —COOH, —COOR4, —O—CO—R5, —O—CO—O—R6, —CO—NH2, —CO—NHR7, —CO—N(R7)(R8), CN, NH2, NHR7, —N(R7)(R8), —NH—CO—R5, phenoxy, C1-C18alkyl-substituted phenoxy, phenyl-C1-C4alkoxy, C6-C15bicycloalkoxy, C6-C15bicycloalkylalkoxy, C6-C15bicycloalkenylalkoxy, or C6-C15tricycloalkoxy; C5-C12cycloalkyl which is substituted by OH, C1-C4alkyl, C2-C6alkenyl or —O—CO—R5; glycidyl; —CO—R9 or —SO2—R10; or R1 is C3-C50alkyl which is interrupted by one or more oxygen atoms and/or substituted by OH, phenoxy or C7-C18alkylphenoxy; or R1 denotes the specific polymerizable radicals indicated in claim 1; R2 is C6-C18alky1; C2-C6alkenyl; p
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: September 4, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dietmar Hüglin, Vien Van Toan, Helmut Luther, Christophe Bulliard, Gerhard Rytz
  • Patent number: 6235271
    Abstract: The present invention provides, as a first aspect, a sun protection agent, which is especially suitable for use in pharmaceutical or cosmetic applications, comprising a) a micronized organic UV absorber; and one, or preferably both of; b) an oil-soluble, non-micronized UV absorber and/or an inorganic micropigment; and c) a polymeric hollow sphere additive and/or a polymer selected from xanthan and/or polyvinylpyrrolidone. The present invention also provides a sunscreen composition comprising A) 0.1 to 15%, preferably 0.5 to 10% by weight, based on the total composition of a sun screen agent according to the present invention; and B) a cosmetically acceptable carrier.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: May 22, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Helmut Luther, Albert Stehlin, Bernd Herzog
  • Patent number: 6221342
    Abstract: A description is given of the use of bis(resorcinyl)triazines of formula (1) wherein R1 and R2 are each independently of the other hydrogen; C1-C18alkyl; C2-C18alkenyl; a radical of formula —CH2—CH(—OH)—CH2—O—T1; a radical of formula (1a); or a radical of radical of formula (1b); R3 and R4 are each independently of the other hydrogen or C1-C5alkyl; R5 is hydroxy; C1-C5alkoxy which is unsubstituted or substituted by one or several OH groups; amino; mono- or di-C1-C5alkylamino; M; a radical of formula (1c); (1d); (1e); (1f); (1g); or (1h); R6 is a direct bond; a straight-chain or branched C1-C4alkylene radical or a radical of formula (a) or (b); R7, R8 and R9 are each independently of one another C1-C18alkyl; C1-C18alkoxy or a radical of formula (1i), R10, R11 and R12 are each independently of one another C1-C14alkyl which is unsubstituted or substitued by one or several OH groups; R13 is hydrogen; M; C1-C5alkyl; or a radical of formula (c) R14 is C1-C5alkyl; M is a metal cat
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: April 24, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dietmar Hüglin, Helmut Luther, Dieter Reinehr
  • Patent number: 6217856
    Abstract: A description is given of symmetrical triazine derivatives of formula (1), wherein R1 and R2 are each independently of the other hydrogen; C1-C12alkyl, C1-C12alkoxy; and R3 is C1-C12alkyl; or C1-C12alkoxy. The easily accessible triazine derivatives are suitable for protecting ultraviolet-sensitive materials, in particular skin and hair of humans and animals, from the harmful effects of UV radiation.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: April 17, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Thomas Ehlis, Dietmar Hüglin, Helmut Luther