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).

  • 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
  • Patent number: 7087753
    Abstract: Novel compounds of formula I are described wherein E corresponds to the formula or to the formula and the radicals R1, R2, R11, R22, R?22, R?33 and R?33 are as defined in claim 1. 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.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: August 8, 2006
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Vien Van Toan, Georges Metzger, Thomas Schäfer, Stéphane Biry, Christophe Bulliard, Dieter Reinehr, Peter Michaelis
  • Patent number: 6929667
    Abstract: 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 R1 represents an —SO2R3, —SOR3, CO2M, —CO2R3, —CONR3R4, —CN or —NO2 substituent, R2 is —NH2, —NH(C1-C4alkyl), —N(C1-C4alkyl)2, —NH(C2-C4hydroxyalkyl), —N(C2-C4hydroxyalkyl)2, —NH(C1-C4alkoxy)(C1-C4alkyl), —N[(C1-C4alkoxy)(C1-C4alkyl)]2, NHC2—C4alkylsulphonic acid, morpholineo, piperidino pyrrolidino, an amino acid or amino acid amide residue from which a hydrogen atom on the amino group has been removed, —OC1-C4alkyl or —OC1-C4hydroxyalkyl, R3 and R4 each, independently, represent hydrogen, C1-C4alkyl, C2-C4hydroxyalkyl or C1-C4alkoxyC1-C4alkyl and M is H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubsituted by C1-C4alkyl, C2-C4hydroxyalkyl or a mixture thereof, some of which are new
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: August 16, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Fabienne Cuesta, Dieter Reinehr, Hans Kramer, Georges Metzger, Bernd Wockenfuss
  • Publication number: 20050169859
    Abstract: Novel compounds of formula I are described wherein E corresponds to the formula or to the formula and the radicals R1, R2, R11, R22, R?22, R?33 and R?33 are as defined in claim 1. Compounds of formula I are suitable for stabilising organic material, especially plastics materials, surface-coatings, cosmetic preparations, sun protection agents or photographic material, against damage by light, oxygen and/or heat.
    Type: Application
    Filed: April 4, 2005
    Publication date: August 4, 2005
    Inventors: Vien Toan, Georges Metzger, Thomas Schafer, Stephane Biry, Christophe Bulliard, Dieter Reinehr, Peter Michaelis
  • Patent number: 6919454
    Abstract: Biphenyl-substituted triazines of the formula which 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.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: July 19, 2005
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Ian John Fletcher, Jürgen Kaschig, Georges Metzger, Dieter Reinehr, Pascal Hayoz
  • Publication number: 20050038245
    Abstract: Novel compounds of formula (I) are described, wherein E corresponds to the formula (a) or to the formula (b) and the radicals R1, R2, R11, R22, R?22, R33, and R?33 are as defined in claim 1. Compounds of formula (I) are suitable for stabilising organic material, especially plastics materials, surface-coatings, cosmetic preparations, sun protection agents or photographic material, against damage by light, oxygen and/or heat.
    Type: Application
    Filed: October 10, 2002
    Publication date: February 17, 2005
    Inventors: Vien Toan, Georges Metzger, Thomas Schafer, Stephane Biry, Christophe Bulliard, Dieter Reinehr, Peter Michaelis
  • Publication number: 20050019281
    Abstract: Biphenyl-substituted triazines of the formulae which 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.
    Type: Application
    Filed: August 18, 2004
    Publication date: January 27, 2005
    Inventors: Ian Fletcher, Jurgen Kaschig, Georges Metzger, Dieter Reinehr, Pascal Hayoz
  • Patent number: 6841670
    Abstract: Biphenyl-substituted triazines of the formulae which 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.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: January 11, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Ian John Fletcher, Jürgen Kaschig, Georges Metzger, Dieter Reinehr
  • Patent number: 6835329
    Abstract: The present invention provides compounds having the formula (1) in which each of the radicals R1, R2, R3 and R4, independently, represent hydrogen, hydroxy, halogen, C1-C20-alkyl, C1-C20-alkoxy, CN or COOR5, in which R5 is C1-C20-alkyl and Z represents a heterocyclic residue selected from the 2H-benzo[1,2-d]triazol-2-yl, 2H-naphtho[1,2-d]triazol-2-yl, benzimidazol-2-yl, benzoxazol-2-yl and benzofuran-2-yl moieties, optionally substituted by C1-C4-alkyl, C1-C4-alkoxy, halogen or NHCOC1-C4-alkyl, a process for their preparation, new intermediate benzoxazinones useful for their preparation and use of the compounds of formula (1) as UV-absorbers which have improved absorption spectrum characteristics, superior resistance to exposure to UV light and excellent thermal stability, relative to known triphenyltriazine compounds.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: December 28, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Hanspeter Sauter, Rudolf Zink
  • 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: 6783698
    Abstract: The present invention relates to a mixture of fluorescent whitening agents comprising 20 to 70% by weight of a compound of formula (1), 30 to 80% of a compound of formula (2) and 0.1 to 10% of a compound of formula (3), compositions containing the mixture and the user of the compositions for whitening synthetic fibers, in particular, polyester.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: August 31, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Hanspeter Sauter, Hans Kramer, Werner Schreiber
  • Patent number: 6730655
    Abstract: There are described diquaternary ammonium compounds of the general formula: wherein R1 and R4 are each independently of the other C4-C16alkyl, phenyl or phenyl-C1-C10 alkyl, R2, R3, R5 and R6 are each independently of the others C1-C4alkyl, and A is a monovalent anion. The compounds exhibit a pronounced action against gram-positive and gram-negative bacteria, and also against yeast, molds and algae. They are accordingly suitable for the antimicrobial treatment of surfaces and for the preservation and disinfection of materials and cosmetic products, and especially also for the preparation of solid or liquid formulations and for the preservation of foodstuffs and drinks. The compounds are furthermore suitable for imparting antimicrobial properties to technical plant and for antimicrobial water treatment.
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: May 4, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Dietmar Ochs, Hanspeter Sauter, Fernand Hoffstetter
  • Patent number: 6719922
    Abstract: The present invention relates to a mixture of fluorescent whitening agents comprising 20 to 70% by weight of a compound of formula (1), 30 to 80% of a compound of formula (2) and 0.5 to 5% of a compound of formula (3), compositions containing the mixture and the use of the compositions for whitening synthetic fibers, in particular polyester.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: April 13, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Dieter Reinehr, Hanspeter Sauter, Hans Kramer, Werner Schreiber
  • Publication number: 20040063706
    Abstract: A process for the preparation of a 4,4′-bistriazinylamino-stilbene-2,2′-disulphonic acid compound of formula (I) in which, independently, each R1 represents —NH2, —NH(C1-c10alkyl), —N(C1-C10alkyl)2, —NH(C2-C4hydroxyalkyl), —NH(C2-C4hydroxyalkyl)2, —N(C1-C10alkyl)(C2-C4hydroxyalalkyl), —NH(C1-C4alkoxy-C2-C4hydroxyalkyl), —N(C1-C4alkoxy-C2-C6hydroxyalkyl)2, —N(C1-C4alkoxy-C2-C4hydroxyalkyl)(C1-C10alkyl), —N(C1-C4alkoxy-C2C4hydroxyalkyl)(C2-C4hydroxyalkyl), —NH(C1-C4alkoxy-C1-C4alkoxy-C1-C4-alkyl), —N(C1-C4alkoxy-C1-C4alkoxy-C1-C4-alkyl)2, —N(C1-C4alkoxy-C1-C4alkoxy-C1-C4alkyl)(C1-C6alkyl), —N(C1-C6alkoxy-C1-C4alkoxy-C2-C4alkyl)(C2-C4hydroxyalkyl)-NH(C5-C7cycloalkyl), —N(C5-C7cycloalkyl)2, —NH(C6-C10aryl), NH(C7-C13aralkyl) or a morpholino, piperidino or pyrrolidino residue; M represents H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubstituted by C1C4alkyl, C2-C4hydroxyalkyl
    Type: Application
    Filed: July 7, 2003
    Publication date: April 1, 2004
    Inventors: Georges Metzger, Dieter Reinehr, Hanspeter Sauter, Helena Dbaly
  • Patent number: 6706930
    Abstract: There is described a process for the preparation of halogenated hydroxydiphenyl compounds of formula (1) by acylation of a halogenated benzene compound (first stage), etherification of the acylated compound with a halogenated phenol compound, which is not further substituted in the ortho-position (second stage), oxidation of the etherified compound (third stage) and hydrolysis of the oxidized compound in a fourth stage, wherein the reaction of the second stage is carried out in the presence of K2CO3 and any desired copper catalyst, where K2CO3 is used in a concentration of from 0.5 to 30 mol, based on the phenol compound employed of formula (6), according to the reaction scheme (I) 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. The compounds of formula (1) are used for protecting organic materials and articles from microorganisms.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: March 16, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Armando Di Teodoro, Werner Hölzl, Dieter Reinehr, Rudolf Zink
  • Publication number: 20040049052
    Abstract: Compounds having the formula: wherein R1 represents hydrogen, C1-C20 alkyl which is unsubstituted or substituted by one or more ammonium, mono-, di-, tri or tetra-C1-C12 alkylammonium groups or by one or more sulphonium groups or represents an aralkyl residue having a total of from 7 to 10 carbon atoms and, in which, the aryl group is unsubstituted or substituted by C1-C4alkyl, C1-C4 alkoxy or halogen and Z is a group selected from R2, R3 and R4, independently, representing hydrogen, C1-C4alkyl, C1-C4 alkoxy, halogen, NHCOC1-C4 alkyl or phenyl which is unsubstituted or substituted by. C1-C4 alkyl, C1-C4 alkoxy or halogen, a process for their preparation and use of the compounds of formula (1) as UV-absorbers which have improved absorption spectrum characteristics, superior resistance to exposure to UV light and excellent thermal stability, relative to known benzophenone compounds.
    Type: Application
    Filed: June 9, 2003
    Publication date: March 11, 2004
    Inventors: Dieter Reinehr, Hanspeter Sauter, Sonja Riesterer
  • Publication number: 20040013619
    Abstract: The present invention provides compounds having the formula (1) in which each of the radicals R1, R2, R3 and R4, independently, represent hydrogen, hydroxy, halogen, C1-C20-alkyl, C1-C20-alkoxy, CN or COOR5, in which R5 is C1-C20-alkyl and Z represents a heterocyclic residue selected from the 2H-benzo[1,2-d]triazol-2-yl, 2H-naphtho[1,2-d]triazol-2-yl, benzimidazol-2-yl, benzoxazol-2-yl and benzofuran-2-yl moieties, optionally substituted by C1-C4-alkyl, C1-C4-alkoxy, halogen or NHCOC1-C4-alkyl, a process for their preparation, new intermediate benzoxazinones useful for their preparation and use of the compounds of formula (1) as UV-absorbers which have improved absorption spectrum characteristics, superior resistance to exposure to UV light and excellent thermal stability, relative to known triphenyltriazine compounds.
    Type: Application
    Filed: March 31, 2003
    Publication date: January 22, 2004
    Inventors: Dieter Reinehr, Hanspeter Sauter, Rudolf Zink
  • Publication number: 20030192137
    Abstract: 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 R1 represents an —SO2R3, —SOR3, CO2M, —CO2R3, —CONR3R4, —CN or —NO2 substituent, R2 is —NH2, —NH(C1-C4alkyl), —N(C1-C4alkyl)2, —NH(C2-C4hydroxyalkyl), —N(C2-C4hydroxyalkyl)2, —NH(C1-C4alkoxy)(C1-C4alkyl), —N[(C1-C4alkoxy)(C1-C4alkyl)]2, NHC2—C4alkylsulphonic acid, morpholineo, piperidino pyrrolidino, an amino acid or amino acid amide residue from which a hydrogen atom on the amino group has been removed, —OC1-C4alkyl or —OC1-C4hydroxyalkyl, R3 and R4 each, independently, represent hydrogen, C1-C4alkyl, C2-C4hydroxyalkyl or C1-C4alkoxyC1-C4alkyl and M, is H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubsituted by C1-C4alkyl, C2-C4hydroxyalkyl or a mixture thereof,
    Type: Application
    Filed: April 14, 2003
    Publication date: October 16, 2003
    Inventors: Fabienne Cuesta, Dieter Reinehr, Hans Kramer, GEORGE METZGER, BERND WOCKENFUSS
  • Publication number: 20030163005
    Abstract: There is described a process for the preparation of halogenated hydroxydiphenyl compounds of formula (1) by acylation of a halogenated benzene compound (first stage), etherification of the acylated compound with a halogenated phenol compound, which is not further substituted in the ortho-position (second stage), oxidation of the etherified compound (third stage) and hydrolysis of the oxidized compound in a fourth stage, wherein the reaction of the second stage is carried out in the presence of K2CO3 and any desired copper catalyst, where K2CO3 is used in a concentration of from 0.5 to 30 mol, based on the phenol compound employed of formula (6), according to the reaction scheme (I) 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. The compounds of formula (1) are used for protecting organic materials and articles from microorganisms.
    Type: Application
    Filed: October 31, 2002
    Publication date: August 28, 2003
    Inventors: Armando Di Teodoro, Werner Holzl, Dieter Reinehr, Rudolf Zink