Patents by Inventor Nok Young Choi

Nok Young Choi 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: 8889769
    Abstract: The invention relates to a thermoplastic molding composition containing at least one polyester, a compound of the formula (I) a mixture of compounds of the formula (II) and optionally additional compounds and additives. The invention further relates to the use of the thermoplastic molding composition for the producing fibers, foils and moldings. The invention further relates to fibers, foils and moldings containing the thermoplastic molding composition.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: November 18, 2014
    Assignee: BASF SE
    Inventors: Martin Weber, Rolf Minkwitz, Nok-Young Choi, Peter Eibeck
  • Publication number: 20120329919
    Abstract: The invention relates to a thermoplastic molding composition containing at least one polyester, a compound of the formula (I) a mixture of compounds of the formula (II) and optionally additional compounds and additives. The invention further relates to the use of the thermoplastic molding composition for the producing fibers, foils and moldings. The invention further relates to fibers, foils and moldings containing the thermoplastic molding composition.
    Type: Application
    Filed: June 26, 2012
    Publication date: December 27, 2012
    Applicant: BASF SE
    Inventors: Martin Weber, Rolf Minkwitz, Nok-Young Choi, Peter Eibeck
  • Publication number: 20120309889
    Abstract: A thermoplastic molding composition containing A) at least one polyester, B) optionally one polycarbonate, C) a copolymer made of c1) styrene or of substituted styrenes of the formula I c2) at least one unsaturated nitrile, D) a copolymer made of d1) structural units deriving from one or more vinylaromatic monomers, d2) structural units deriving from one or more vinyl cyanides, d3) structural units deriving from one or more dicarboxylic anhydrides, and d4) optionally structural units deriving from other copolymerizable monomers.
    Type: Application
    Filed: May 31, 2012
    Publication date: December 6, 2012
    Applicant: BASF SE
    Inventors: Martin Weber, Peter Eibeck, Nok-young Choi
  • Publication number: 20090252959
    Abstract: Self-adhesive articles comprising at least one backing and a pressure sensitive adhesive comprising A) a polymer synthesized from a) 50 to 99.5% by weight of butyl acrylate b) 0 to 40% by weight of 2-ethylhexyl acrylate c) 0 to 5% by weight of an ethylenically unsaturated acid d) 0.1 to 5% by weight of an ethylenically unsaturated compound having at least one keto or aldehyde group e) 0 to 30% by weight of further monomers.
    Type: Application
    Filed: December 14, 2005
    Publication date: October 8, 2009
    Applicant: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Schumacher, Nok-young Choi
  • Publication number: 20080152841
    Abstract: A pressure-sensitive adhesive comprising a polymer obtainable by free-radical polymerization and synthesized from a) 70% to 99% by weight of n-butyl acrylate b) 1% to 30% by weight of ethylhexyl acrylate c) 0 to 5% by weight of an ethylenically unsaturated acid d) 0 to 20% by weight of at least one further monomer, for which vinyl acetate is excluded.
    Type: Application
    Filed: February 1, 2006
    Publication date: June 26, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Nok-young Choi, Heiko Diehl, Andree Dragon, Stefan Kirsch
  • Publication number: 20070187033
    Abstract: An adhesive comprising a polymer obtainable by free-radical addition polymerization of ethylenically unsaturated compounds (monomers) and synthesized from at least 60% by weight of principal monomers selected from C1 to C20 alkyl (meth)acrylates, vinyl esters of carboxylic acids containing up to 20 carbon atoms, vinylaromatics having up to 20 carbon atoms, ethylenically unsaturated nitrites, vinyl halides, vinyl ethers of alcohols containing 1 to 10 carbon atoms, aliphatic hydrocarbons having 2 to 4 carbon atoms and one or two double bonds, and mixtures of these monomers, and from more than 1% by weight of monomers containing at least two nonconjugated polymerizable vinyl groups.
    Type: Application
    Filed: April 14, 2005
    Publication date: August 16, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Schumacher, Nok-young Choi, Andree Dragon, Heiko Diehl
  • Patent number: 7217744
    Abstract: The present invention relates to polymeric networks, which are characterised by particular mechanical properties and which, furthermore, allow the control of thermal and mechanical properties by simple variation of the components.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: May 15, 2007
    Assignee: mnemoScience GmbH
    Inventors: Andreas Lendlein, Annette Schmidt, Nok Young Choi
  • Publication number: 20030191276
    Abstract: The present invention relates to polymeric networks, which are characterised by particular mechanical properties and which, furthermore, allow the control of thermal and mechanical properties by simple variation of the components.
    Type: Application
    Filed: February 26, 2003
    Publication date: October 9, 2003
    Applicant: Mnemoscience GMBH
    Inventors: Andreas Lendlein, Annette Schmidt, Nok Young Choi