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).
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Patent number: 7686852Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.Type: GrantFiled: May 12, 2005Date of Patent: March 30, 2010Assignee: Clariant Finance (BVI) LimitedInventors: Georg Schoefberger, Urs Daettwyler
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Patent number: 7559959Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.Type: GrantFiled: May 12, 2005Date of Patent: July 14, 2009Assignee: Clariant Finance (BVI) LimitedInventors: Georg Schoefberger, Ulrich Geiger
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Publication number: 20080028543Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.Type: ApplicationFiled: May 12, 2005Publication date: February 7, 2008Inventors: Georg Schoefberger, Urs Daettwyler
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Publication number: 20070220687Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.Type: ApplicationFiled: May 12, 2005Publication date: September 27, 2007Applicant: CLARIANT INTERNATIONAL LTDInventors: Georg Schoefberger, Ulrich Geiger
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Publication number: 20050204484Abstract: 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: ApplicationFiled: January 7, 2005Publication date: September 22, 2005Inventors: Markus Meder, Georg Schoefberger
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Patent number: 6930178Abstract: 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: GrantFiled: September 26, 2002Date of Patent: August 16, 2005Assignee: Clariant Finance (BVI) LimitedInventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi
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Publication number: 20040204572Abstract: 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: ApplicationFiled: March 24, 2004Publication date: October 14, 2004Inventors: Rainer Nusser, Georg Schoefberger, Reinhard Pedrazzi
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Patent number: 6797016Abstract: 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: GrantFiled: May 17, 2002Date of Patent: September 28, 2004Assignee: Clariant Finance (BVI) LimitedInventors: Georg Schöfberger, Klaus Körte, Jürgen Geiwiz
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Patent number: 6797014Abstract: 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: GrantFiled: March 15, 2002Date of Patent: September 28, 2004Assignee: Clariant Finance LimitedInventors: Georg Schöfberger, Günther Tscheulin
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Publication number: 20030182733Abstract: 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: ApplicationFiled: November 22, 2002Publication date: October 2, 2003Inventors: Jurgen Geiwiz, Reinhard Pedrazzi, Torsten Henning, Friedrich Lehr, Georg Schoefberger
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Patent number: 6319289Abstract: 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: GrantFiled: March 31, 1999Date of Patent: November 20, 2001Assignee: Clariant Finance (BVI) LimitedInventor: Georg Schöfberger
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Patent number: 5354849Abstract: 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: GrantFiled: June 4, 1993Date of Patent: October 11, 1994Assignee: Sandoz Ltd.Inventor: Georg Schoefberger
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Patent number: 4198268Abstract: 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: GrantFiled: August 20, 1975Date of Patent: April 15, 1980Assignee: Sandoz Ltd.Inventors: Alfred Frei, Helmut Moser, Georg Schoefberger, August Schweizer
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Patent number: 4149851Abstract: 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: GrantFiled: February 28, 1977Date of Patent: April 17, 1979Assignee: Fidelity Union Trust Company, Executive Trustee under Sandoz TrustInventors: Alfred Frei, Georg Schoefberger, August Schweizer
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Patent number: 4083840Abstract: 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: GrantFiled: April 19, 1976Date of Patent: April 11, 1978Assignee: Sandoz Ltd.Inventor: Georg Schoefberger
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Patent number: 4023924Abstract: 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: GrantFiled: May 23, 1973Date of Patent: May 17, 1977Assignee: Sandoz Ltd.Inventors: Alfred Frei, Georg Schoefberger, August Schweizer
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Patent number: 4001206Abstract: 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: GrantFiled: February 11, 1972Date of Patent: January 4, 1977Assignee: Sandoz Ltd.Inventor: Georg Schoefberger