Patents by Inventor Georg Schoefberger

Georg Schoefberger 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: 7686852
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: March 30, 2010
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Georg Schoefberger, Urs Daettwyler
  • Patent number: 7559959
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Grant
    Filed: May 12, 2005
    Date of Patent: July 14, 2009
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Georg Schoefberger, Ulrich Geiger
  • Publication number: 20080028543
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: May 12, 2005
    Publication date: February 7, 2008
    Inventors: Georg Schoefberger, Urs Daettwyler
  • Publication number: 20070220687
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: May 12, 2005
    Publication date: September 27, 2007
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Georg Schoefberger, Ulrich Geiger
  • Publication number: 20050204484
    Abstract: The hair-coloring compositions described comprise one or more anthraquinone compounds of the formula I where R1, R2 and R3 each independently represent hydrogen, linear or branched alkyl having 1 to 22 carbon atoms, linear or branched alkenyl having 2 to 22 carbon atoms or N(R4)C(O)R5; R4 and R5 independently represent hydrogen or alkyl having 1 to 22 carbon atoms; X represents SO3A1 or OCH2CH2(OCH2CH2)xOCH3; Y is H or SO3A2; A1 and A2 each independently represent H+, Li+, Na+, K+, Mg2+/2, Ca2+/2, Al3+/3 or +NR6R7R8R9; R6, R7, R8, R9 each independently represent hydrogen, alkyl having 1 to 22 carbon atoms or hydroxyalkyl having 2 to 10 carbon atoms, and x represents a number from 0 to 10; wherein the compounds of the formula I comprise exactly one group selected from SO3A1 and SO3A2.
    Type: Application
    Filed: January 7, 2005
    Publication date: September 22, 2005
    Inventors: Markus Meder, Georg Schoefberger
  • Patent number: 6930178
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen. The present invention relates to a 1:2 chromium complex dye of formula (I): wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: August 16, 2005
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi
  • Publication number: 20040204572
    Abstract: The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.
    Type: Application
    Filed: March 24, 2004
    Publication date: October 14, 2004
    Inventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi
  • Patent number: 6797016
    Abstract: Concentrated dye compositions (P) which are solutions of y % by weight of at least one anionic dye (A) in a solution of x % by weight of benzyl alcohol (B) in water, and z % by weight of at least one formulation additive (F), in which x is a number in the range from 0.5 to 4, y is a number in the range from 5 to 35 and z is a number in the range from 0 to 2, and are essentially free from alcohols other than (B) and from solvents or solubilizers other than water and (B) are distinguished by their surprisingly good stability and can be used for any desired dyeing methods for which the respective dyes (A) themselves can be employed, be it for the dyeing of fibre material or be it, in particular, for the coloring of non-fibrous substrates.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: September 28, 2004
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Georg Schöfberger, Klaus Körte, Jürgen Geiwiz
  • Patent number: 6797014
    Abstract: Process for the production of dyed oxide layers on aluminum or aluminum alloys by dyeing in an aqueous dyebath, rinsing with water and sealing, in which the dyeing is carried out using at least one water-soluble anionic dye (A) which possesses at least one substituent and/or component combination with a ligand character that is capable of forming a nickel complex with nickel ions, and the sealing is carried out by cold sealing with at least one sealing agent preparation (B) containing nickel ions Ni2+ and fluoride ions F− and optionally hot secondary sealing with water, especially for achieving dyeings of improved light fastness.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: September 28, 2004
    Assignee: Clariant Finance Limited
    Inventors: Georg Schöfberger, Günther Tscheulin
  • Publication number: 20030182733
    Abstract: The present invention relates to the use of certain compounds, which are given in claim 1, or mixtures thereof for the coloring and tinting of keratin fibers, in particular of human hair.
    Type: Application
    Filed: November 22, 2002
    Publication date: October 2, 2003
    Inventors: Jurgen Geiwiz, Reinhard Pedrazzi, Torsten Henning, Friedrich Lehr, Georg Schoefberger
  • Patent number: 6319289
    Abstract: Compounds of formula (I) wherein A is hydrogen or a descretionary radical, a novel process for their preparation and their use for the dyeing of organic substrates.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: November 20, 2001
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Georg Schöfberger
  • Patent number: 5354849
    Abstract: Anionic disazo compounds of the formula ##STR1## and salts thereof each cation of which is independently a non-chromophoric cation, and mixtures of such compounds or salts, wherein D is whereinR.sub.4 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or halo,R.sub.1 is hydrogen, C.sub.1-4 alkyl or C.sub.2-4 hydroxyalkyl,R.sub.2 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, (C.sub.1-4 alkyl)carbonylamino, (C.sub.1-4 alkoxy)carbonylamino or --NHCONH.sub.2,R.sub.3 is hydrogen, halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy, and ##STR2## wherein R.sub.5 is chloro, hydroxy or --NHCN,R.sub.6 is hydrogen, chloro or cyano, andR.sub.7 and R.sub.8 are as defined in the specification, with the proviso that R.sub.7 and R.sub.8 together contain at least 8 carbon atoms,useful for dyeing or printing anionically dyeable organic substrates such as nitrogen-containing substrates, particularly fiber material comprising natural or synthetic polyamide.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: October 11, 1994
    Assignee: Sandoz Ltd.
    Inventor: Georg Schoefberger
  • Patent number: 4198268
    Abstract: A process for the dyeing of paper with granulated dyeing preparations, preferably dissolved in water. For the process granulated dyeing preparations are used which consist of(a) a dye soluble to at least 2% in water at 25.degree. C. and(b) in an amount not greater than 50%, a salt which dissociates in water, the average size of the granules being at least 20 microns.This application is a continuation of application Ser. No. 239,360, filed Mar. 29, 1972 and now abandoned, which in turn is a continuation-in-part of application Ser. No. 60,115, filed July 31, 1970 and now abandoned, which in turn is a continuation-in-part of application Ser. No. 761,333, filed Sept. 20, 1968 and now abandoned.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: April 15, 1980
    Assignee: Sandoz Ltd.
    Inventors: Alfred Frei, Helmut Moser, Georg Schoefberger, August Schweizer
  • Patent number: 4149851
    Abstract: Concentrated, liquid preparations of metal-free direct azo dyes, which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the stock and for dyeing paper sheet.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: April 17, 1979
    Assignee: Fidelity Union Trust Company, Executive Trustee under Sandoz Trust
    Inventors: Alfred Frei, Georg Schoefberger, August Schweizer
  • Patent number: 4083840
    Abstract: Disclosed are compounds of the formula, ##STR1## or WHEREIN D is, ##STR2## X is --COOM or --SO.sub.3 M, R.sub.1 and R.sub.2, independently, are hydrogen, halogen, C.sub.1-3 alkyl or C.sub.1-3 alkoxy,m is 1, 2 or 3, and, when 3, the two sulpho groups are other than on adjacent carbon atoms,n is 1 or 2,With the proviso that the sum of n + m is 3 or 4,R.sub.3 is hydrogen, C.sub.1-3 alkyl or C.sub.1-3 alkoxy,R.sub.4 is hydrogen or C.sub.1-3 alkyl,R.sub.3 and R.sub.4, when both other than hydrogen, being in para position relative to each other,R is hydrogen or, ##STR3## it being hydrogen only when D is, ##STR4## in which the --COOM group is m- or p- to the azo linkage, R.sub.5 is --CHR.sub.6 --CHR.sub.6 --O--CHR.sub.7 CH.sub.2 O--.sub.p H,either both R.sub.6 's are hydrogen, or one of the R.sub.6 's is hydrogen, the other methyl or ethyl,R.sub.7 is hydrogen, methyl or ethyl,R.sub.8 is hydrogen, C.sub.1-6 alkyl or--CHR.sub.6 --CHR.sub.6 --O--CHR.sub.7 CH.sub.2 O--.sub.q H,Y is --NR.sub.9 R.sub.10 or --N(R.sub.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: April 11, 1978
    Assignee: Sandoz Ltd.
    Inventor: Georg Schoefberger
  • Patent number: 4023924
    Abstract: Concentrated, liquid preparations of metal-free direct azo dyes which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the stock and for dyeing paper sheet.
    Type: Grant
    Filed: May 23, 1973
    Date of Patent: May 17, 1977
    Assignee: Sandoz Ltd.
    Inventors: Alfred Frei, Georg Schoefberger, August Schweizer
  • Patent number: 4001206
    Abstract: Disclosed are compounds of the formula ##STR1## in which R, R.sub.1 and R.sub.4, which may be the same or different, each signify a hydrogen atom, an alkyl radical of 1 to 6 carbon atoms or an alkoxy radical of 1 to 6 carbon atoms,R.sub.2 signifies an alkyl radical of 1 to 6 carbon atoms,R.sub.3 signifies a hydrogen atom or an alkyl radical of 1 to 6 carbon atoms,n signifies 0 or 1,m signifies 0 or 1, andp signifies 0 to 3With the proviso that the compounds contain at least one sulphonic acid group; their water soluble salts, process for the production thereof, compositions containing same and a process for dyeing paper therewith.The dyes are highly substantive to paper and produces dyeings that exhibit good fastness to light, water, milk, fruit juices and alcohol but that are bleachable by oxidation or reduction.
    Type: Grant
    Filed: February 11, 1972
    Date of Patent: January 4, 1977
    Assignee: Sandoz Ltd.
    Inventor: Georg Schoefberger