Patents Represented by Attorney Tyler A. Stevenson
  • Patent number: 7947832
    Abstract: Sterically hindered hydroxy substituted alkoxyamine stabilizer compounds are made water compatible via certain backbones with affinity towards water. The sterically hindered amines are for example of the formula (8)-(10) These compounds are particularly effective in stabilizing aqueous polymer systems against the deleterious effects of oxidative, thermal and actinic radiation. The compounds are effective for example in stabilizing water borne coatings, aqueous inks, aqueous ink jet media and photocured aqueous systems.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: May 24, 2011
    Assignee: BASF SE
    Inventors: Mervin G. Wood, Robert Detlefsen, James Galbo, Wanda Martin, Paul Kondracki, Michael P. DiFazio, Joseph E. Babiarz
  • Patent number: 7947831
    Abstract: Polymers grafted with a compound of formula I, wherein the general symbols are as defined within, have outstanding stability against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: May 24, 2011
    Assignee: BASF SE Ludwigshafen
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michèle Gerster
  • Patent number: 7947296
    Abstract: Plastic films, fibers and articles are provided long-term antimicrobial activity with a combination of certain phenolic and inorganic antimicrobial agents. The plastic films, fibers and articles with antimicrobial activity exhibit superior resistance to discoloration, may be processed at high temperature, and maintain physical properties upon weathering, especially upon exposure to ultraviolet radiation.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: May 24, 2011
    Assignee: BASF SE
    Inventors: Heinz Herbst, Urs Stadler
  • Patent number: 7947297
    Abstract: Plastic films, fibers and articles are provided long-term antimicrobial activity with a combination of certain phenolic and inorganic antimicrobial agents. The plastic films, fibers and articles with antimicrobial activity exhibit superior resistance to discoloration, may be processed at high temperature, and maintain physical properties upon weathering, especially upon exposure to ultraviolet radiation.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: May 24, 2011
    Assignee: BASF SE
    Inventors: Heinz Herbst, Urs Stadler
  • Patent number: 7928049
    Abstract: The present invention relates to the use of metal complex compounds having hydrazide ligands as oxidation catalysts. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands. The metal complex compounds are used especially for enhancing the action of peroxides, for example in the treatment of textile material, without at the same time causing any appreciable damage to fibers and dyeings. There is also no appreciable damage to fibers and dyeings if these metal complexes are used in combination with an enzyme or a mixture of enzymes.
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: April 19, 2011
    Assignee: BASF SE Ludwigshafen
    Inventors: Barbara Wagner, Hauke Rohwer, Marie-Josée Dubs, Nicole End, Menno Hazenkamp, Sophie Marquais-Bienewald
  • Patent number: 7910642
    Abstract: The present invention pertains to compositions comprising (a) a polyether polyol, a polyester polyol or a polyurethane, (b) a UV-absorber of formula (I) and/or a hindered amine light stabilizer of formula (II) wherein R1 and R2 are each independently C1-C4alkyl or C1-C4alkyoxy, and (c) at least one further UV-absorber and/or hindered amine light stabilizer if only one of the components (I) and (II) is present with the proviso that component (c) is not a compound of formula (A)-(D) as defined in claim 1.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: March 22, 2011
    Assignee: BASF SE
    Inventors: Dietmar Mäder, Pierre Rota-Graziosi
  • Patent number: 7879928
    Abstract: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant, b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, and (iii) phosphites or phosphonites, or (iv) mixtures thereof.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: February 1, 2011
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Chin Siong Goh, Kerstin Schrinner, Pascal Xanthopoulos
  • Patent number: 7855302
    Abstract: The invention relates to novel synthesis methods for the preparation of statin derivatives, which methods proceed by way of a key intermediate of formula I wherein X is halogen, acyloxy, activated hydrocarbyloxy, activated hydrocarbylthio or —N(CH3)OCH3, Ra is a hydroxy-protecting group and Rb is a carboxy-protecting group, and, as well as to the compound of formula I, to further new intermediates and methods for their preparation by Friedel-Crafts acylation.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: December 21, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Reinhold Öhrlein, Gabriele Baisch, Nicole End, Stephan Burkhardt, Martin Studer
  • Patent number: 7842630
    Abstract: The present invention is aimed at a method of providing wettability to polyester fibers or filaments, to woven or nonwoven fabrics made therefrom and to resultant articles of manufacture. The method comprises melt extruding a mixture comprising a polyester and one or more alkyl metal sulfonates where the metal is Na, Li or K and the alkyl is straight or branched chain alkyl of 12 to 15 carbon atoms, or is straight or branched chain alkenyl of 12 to 18 carbon atoms. The alkyl metal sulfonates are present from about 2% to about 5% by weight based on the weight of the polyester. A post treatment step such as an alkaline treatment step is not included. The melt extrusion mixtures do not include certain additives such as polyoxyalkylene compounds, alkylmonoethonolamide compounds, alkyldiethanolamine compounds and polyetheramide compounds.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: November 30, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Colin J. H. Morton, Thomas Thompson, Ashutosh H. Sharma
  • Patent number: 7829484
    Abstract: The present invention is aimed at a method of providing wettability to polyester fibers or filaments, to woven or nonwoven fabrics made therefrom and to resultant articles of manufacture. The method comprises melt extruding a mixture comprising a polyester and one or more alkyl metal sulfonates where the metal is Na, Li or K and the alkyl is straight or branched chain alkyl of 1 to 24 carbon atoms, or is straight or branched chain alkenyl of 2 to 24 carbon atoms. The alkyl metal sulfonates are present from about 0.1% to about 1.9% by weight based on the weight of the polyester. A post treatment step such as an alkaline treatment step is not included. The melt extrusion mixtures do not include certain additives such as polyoxyalkylene compounds, alkylmonoethonolamide compounds, alkyldiethanolamine compounds and polyetheramide compounds.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: November 9, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Ashutosh Sharma, Michael Tinkl, Andrew Leggio, Matthew Gande, Armin Schneider
  • Patent number: 7829643
    Abstract: The present invention relates to coating compositions containing a polymeric or copolymeric levelling agent, which has been prepared by nitroxyl-mediated polymerisation. Further aspects are a process for the preparation of smooth surface coatings and the use of said polymer or copolymer as levelling agent in coating compositions. Yet another aspect are specific ethylenically unsaturated monomer compositions from which copolymers can be obtained by atom transfer radical polymerisation or nitroxyl mediated polymerisation, which copolymers are useful as levelling agents in coating compositions. Still another aspect is the use of poly-tert.-butyl acrylate or poly-tert.butylmethacrylate as a levelling agent in powder coating compositions.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: November 9, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Ralf Knischka, Clemens Auschra, Andreas Mühlebach, Sevgi Zeren
  • Patent number: 7829257
    Abstract: Photosensitive compositions comprising (A) an alkali soluble compound; (B) at least one compound, of formula I or II wherein R1 inter alia is C4-C9cycloalkanoyl, C3-C12alkenoyl, or benzoyl which is unsubstituted or substituted; Ar1 is either C6-C20aryl or C6-C20aryloyl each of which is unsubstituted or substituted; x is 2 or 3; M1 when x is 2, inter alia is a group phenylene or naphthylene, each of which optionally is substituted i.a.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: November 9, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hidetaka Oka, Kazuhiko Kunimoto, Hisatoshi Kura, Masaki Ohwa, Junichi Tanabe
  • Patent number: 7824575
    Abstract: The present invention provides for liquid antioxidant mixtures of octylated/butylated diphenylamine, phenothiazine and octadecyl (3,5-di-tert-butyl-4-hydroxyphenyl)-propionate. The antioxidant mixtures are useful for polyurethane stabilization.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: November 2, 2010
    Assignee: Ciba Corporation
    Inventor: Walid Al-Akhdar
  • Patent number: 7820865
    Abstract: The instant invention relates to new photolatent compounds of the formula I wherein R1 and R2 are each independently of the other C1-C10alkyl or C3-C8cycloalkyl, R3 is hydrogen or C1-C4alkyl, and wherein the photochemically cleaved group R4OH is selected from the group consisting of fragrances, UV absorbers, anti-microbials, anti-fogging agents and clarifiers; with the proviso that, when R1 and R2 are tert-butyl and R3 is hydrogen, R4 is not methyl or phenyl.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: October 26, 2010
    Assignee: Ciba Corporation
    Inventors: Katharina Fritzsche, Walter Fischer, Johannes Benkhoff, Karin Powell, Dirk Simon
  • Patent number: 7820828
    Abstract: This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula (I) a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: October 26, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Thomas Schäfer, Kristina Bardon, Beat Schmidhalter, Roger Prétôt
  • Patent number: 7811335
    Abstract: Disclosed are composition and method for dyeing keratin-containing fibers comprising or utilizing styryl sulfide dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein R1, R?1, R2, R?2, R3, R?3, W1, W?1, W2, W?2, W3, W?3, W4, W?4, Q, Q?, Y1 and Y2 are defined in claims and disclosure.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: October 12, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
  • Patent number: 7807764
    Abstract: The present invention relates to a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) at least one hydroxylamine of high molecular weight, preferably a long chain alkyl substituted hydroxylamine. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, and the use of high molecular weight hydroxylamines for controlled polymerization.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: October 5, 2010
    Inventors: Hendrik Wermter, Dirk Simon, Rudolf Pfaendner
  • Patent number: 7806940
    Abstract: Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y? and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof, especially comprising other dyes, and to application for hair dyeing.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: October 5, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
  • Patent number: 7803197
    Abstract: Disclosed are thiol dyes of formula (1) wherein L1 is hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; X is C1-C12alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, or C5-C10arylene-C1-C10alkylene, which may by interrupted by —O—, —NH—, —S—, —CO—, o-SO2—; Y is the residue of an organic dye Z is a group of formula (1b) or —C?N; wherein A is O; S; or N-L2; B is L3; —OL3; —NL3L4; or —SL3; and L2, L3 and L4, independently from other are hydrogen; C1-C12alkyl; C5-C12aryl-C1-C12alkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: September 28, 2010
    Assignee: Ciba Corporation
    Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
  • Patent number: 7799951
    Abstract: The instant invention discloses a process for preventing contact discoloration of substrates coming into contact with elastomers and stabilizing elastomers to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, which comprises incorporating into the elastomers, or applying to these, at least a compound of the formula (I) wherein R1 is C1-C12alkyl, R2 is C1-C12alkyl, or R1 and R2 together with the carbon atom to which they are attached form an unsubstituted or with C1-C4alkyl substituted C5-C12cycloalkyl ring; R3 is hydrogen or —CH2—S(O)m—R5, R4 and R5 independently of each other are unsubstituted or with cyano substituted C5-C18-alkyl; C7-C9phenylalkyl, unsubstituted or with halogen, hydroxyl, cyano or C1-C4alkyl substituted phenyl or naphthyl; benzothiazolyl or —R6—CO2—R7, R6 is C1-C18alkylene, R7 is C1-C18alkyl, and m is 0, 1 or 2.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: September 21, 2010
    Assignee: Ciba Corporation
    Inventors: Michèle Gerster, Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi