Patents by Inventor Christian Peter Lenges

Christian Peter Lenges 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: 7741510
    Abstract: The present invention provides for a rheology control agent that includes a following compound represented by the following formula: wherein A, B, C and D equal CH2, CHR, NH, or O, and A, B, C and D may be the same or different and at least one of A and B equals NH and at least one of C and D equals NH; and wherein R1, R2, and R3 may be the same or different and represent a linear, branched, hyper-branched, or dendritic ether, polyether or hydrocarbon based chain, optionally forming at least one carbon-based ring, being saturated or unsaturated and R2 represents linear or branched alkylenes, ethers, polyethers, or polyester linkages and at least one of R1, R2, and R3 comprises an ester group or an amide group which is branched off from the main chain; excluded from Formula (1) is a compound wherein R2 is CH2—CH2—CH2—CH2—CH(C(O)OCH3), A, B, C, and D are equal to NH and R1 and R3 are both equal to a linear octyl hydrocarbon chain; the rheology control agent is suitable for solvent-borne and water-borne coat
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: June 22, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Yanhui Niu, Yu-Ling Hsiao, Jiang Ding, Young H. Kim
  • Patent number: 7737294
    Abstract: The present invention is directed to compositions of specific carboxylic acid, fatty acid or oil derivatives containing nitrile groups and methods of their preparation. The preparation involves a hydrocyanation reaction. A method of hydrgenating the nitrile containing carboxylic acid acids obtained by above hydrocyanation to produce amine containing carbixylic acids is also disclosed in this invention.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: June 15, 2010
    Assignee: Invista North America S.A R.L.
    Inventors: Alan Martin Allgeier, Christian Peter Lenges
  • Patent number: 7732142
    Abstract: Primers have been isolated that are diagnostic for the detection of the infectious hypodermal and hematopoietic necorsis virus (IHHNV). The primers are based on a new portion of the IHHNV genome and may be used in primer directed amplification or nucleic acid hybridization assay methods.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: June 8, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Richard C. Ebersole, Jianzhong Zhang, Christian Peter Lenges, Mario W. Chen
  • Patent number: 7732018
    Abstract: A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula (I) including isomers and mixtures of isomers thereof: wherein R, R1, R2, X, Y, Z, m, n, p, q, r and s are described in the specification and a two component composition formulated with the above constituents and substrates, such as, automotive and truck bodies and parts coated with the novel composition and novel amine and/or hydroxy amine compounds are also part of the invention.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: June 8, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Domenic J. Barsotti, Robert John Barsotti, Kalindi Dogra, Helen S. M. Lu, Stefan Reinartz
  • Patent number: 7691471
    Abstract: The present invention is directed to the use polycyclic diamines. These diamines, when polymerized with dianhydrides, and optionally other non-polycyclic diamines are used to form new polyamic acids. The polyamic acids can be imidized to form a new class of useful polyimide resins and polyimide films, particularly in electronics type applications.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: April 6, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jiang Ding, Christian Peter Lenges, Christopher Dennis Simone, Brian C. Auman
  • Patent number: 7682665
    Abstract: A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein X, R1, R2, p, m and n are described in the specification, or isomer or mixture of isomers thereof, two component compositions, articles coated with the novel composition and novel hydroxy amines are also part of the invention.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: March 23, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Alan Martin Allgeier, Robert John Barsotti, Patrick Henry Corcoran, Laura Ann Lewin, Stefan Reinartz
  • Patent number: 7674499
    Abstract: A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein X, R1, R2, p, m and n are described in the specification, or isomer or mixture of isomers thereof, two component compositions, articles coated with the novel composition and novel hydroxy amines are also part of the invention.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: March 9, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Alan Martin Allgeier, Robert John Barsotti, Patrick Henry Corcoran, Laura Ann Lewin, Stefan Reinartz
  • Patent number: 7652121
    Abstract: The present invention is directed to a rheology control agent for coating compositions. The rheology control agent includes a compound having the Formula (II) including isomers or mixtures of isomers thereof: wherein R, R9, R10, m and n are described in the specification. The coating compositions containing the rheology control agent have improved rheology control on application and are useful for OEM, refinishing or repainting the exterior of automobile and truck bodies and parts thereof.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: January 26, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Yanhui Niu, Yu-Ling Hsiao, Jiang Ding, Robert John Barsotti, Renee J. Kelly, Robert James Butera, Young H. Kim
  • Patent number: 7632882
    Abstract: The present invention is directed to a rheology control agent for coating compositions. The rheology control agent includes a compound having the Formula (I) including isomers or mixtures of isomers thereof: wherein p is 0, 1, 2, or 3; and R2, R3, R4, X and Y groups are described in the specification. The solvent-borne coating compositions containing the rheology control agent have improved rheology control on application and are useful for OEM, refinishing or repainting the exterior of automobile and truck bodies and parts thereof.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: December 15, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Yanhui Niu, Yu-Ling Hsiao, Jiang Ding, Robert John Barsotti, Renee J. Kelly, Robert James Butera, Young H. Kim
  • Patent number: 7608303
    Abstract: A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein n on average is 1.7 to 2 and X stands for a cycloaliphatic norbornane derivative containing methylene amine groups of formula (II) either alone, as combinations of these, and/or as mixtures of isomers of these, in which the exact point of attachment and orientation of —CH2— group to the NH group and R20—R22 to the norbornane scaffold can vary and mixtures of compounds and isomers are commonly utilized by this invention; two component compositions and articles coated with the novel composition also are part of the invention.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: October 27, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Robert John Barsotti, Patrick Henry Corcoran, Laura Ann Lewin, Stefan Reinartz
  • Publication number: 20090263640
    Abstract: The present invention is directed to the use polycyclic diamines. These diamines, when polymerized with dianhydrides, and optionally other non-polycyclic diamines are used to form new polyamic acids. The polyamic acids can be imidized to form a new class of useful polyimide resins and polyimide films, particularly in electronics type applications.
    Type: Application
    Filed: June 26, 2009
    Publication date: October 22, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: JIANG DING, CHRISTIAN PETER LENGES, CHRISTOPHER DENNIS SIMONE, BRIAN C. AUMAN
  • Patent number: 7572878
    Abstract: The present invention is directed to the use polycyclic diamines. These diamines, when polymerized with dianhydrides, and optionally other non-polycyclic diamines are used to form new polyamic acids. The polyamic acids can be imidized to form a new class of useful polyimide resins and polyimide films, particularly in electronics type applications.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: August 11, 2009
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Jiang Ding, Christian Peter Lenges, Christopher Dennis Simone, Brian C. Auman
  • Publication number: 20090061415
    Abstract: Primers have been isolated that are diagnostic for the detection of the taura syndrome virus (TSV). The primers are based on a new portion of the TSV genome and may be used in primer directed amplification or nucleic acid hybridization assay methods.
    Type: Application
    Filed: August 17, 2007
    Publication date: March 5, 2009
    Inventors: Richard C. Ebersole, Jianzhong Zhang, Christian Peter Lenges, Mario W. Chen
  • Publication number: 20080293037
    Abstract: Primers have been isolated that are diagnostic for the detection of the infectious hypodermal and hematopoietic necorsis virus (IHHNV). The primers are based on a new portion of the IHHNV genome and may be used in primer directed amplification or nucleic acid hybridization assay methods.
    Type: Application
    Filed: August 17, 2007
    Publication date: November 27, 2008
    Inventors: Richard C. Ebersole, Jianzhong Zhang, Christian Peter Lenges, Mario W. Chen
  • Patent number: 7449242
    Abstract: A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula (I) including isomers and mixtures of isomers thereof: wherein R, R1, R2, X, Y, Z, m, n, p, q, r and s are described in the specification and a two component composition formulated with the above constituents and substrates, such as, automotive and truck bodies and parts coated with the novel composition and novel amine and/or hydroxy amine compounds are also part of the invention.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: November 11, 2008
    Assignee: E.I. du Pont de Nemours & Company
    Inventors: Christian Peter Lenges, Domenic J. Barsotti, Robert John Barsotti, Kalindi Dogra, Helen S. M. Lu, Stefan Reinartz
  • Patent number: 7439354
    Abstract: A process for preparing amide acetals represented in Formula I comprising dehydrating a reactant mixture comprising reactants selected from a group consisting of N-acyl dialkanol amines, O-acyl dialkanol amines and mixtures thereof wherein n and m are independently 2 or 3; p is 1, 2 or 3; R1 and R2 can be the same or different and are each independently hydrogen, a linear or branched alkyl, cycloalkyl or aryl group with 1-20 C atoms; R represents hydrogen, a branched or linear alkyl, cycloalkyl, aryl or an alkenyl group with 1-20 C-atoms, each may have one or more substituents.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: October 21, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Christian Peter Lenges, Josef Huybrechts, Douglas J. Adelman
  • Patent number: 7427647
    Abstract: A coating composition useful for coating automobile and truck bodies comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: wherein X, Y, R1, R2, m and n are described in the specification, and c. 0.05 to 10% by weight, based on the total weight of the coating composition, of a metal alkoxide compound; and containing optional additional polymeric components, oligomeric components and antioxidants, light absorbers and light stabilizers.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: September 23, 2008
    Assignee: E.I. du Pont de Nemours & Company
    Inventors: Stefan Reinartz, Robert John Barsotti, Patrick Henry Corcoran, Kalindi Dogra, Christian Peter Lenges, Laura Ann Lewin, Klaus Wissing
  • Publication number: 20080166722
    Abstract: Primers have been isolated that are diagnostic for the detection of Vibrio harveyi. The primers are based on a portion of the Vibrio harveyi LuxR gene and may be used in primer directed amplification or nucleic acid hybridization assay methods.
    Type: Application
    Filed: October 17, 2007
    Publication date: July 10, 2008
    Inventors: Richard C. Ebersole, Jianzhong Zhang, Mario W. Chen, Christian Peter Lenges
  • Patent number: 7385071
    Abstract: Process for hydrocyanating a substrate selected from 2-, 3-, or 4-pentenenitrile and/or 2-methyl-3-butenenitrile or mixtures thereof by contacting the substrate with HCN in the presence of a zero-valent nickel catalyst and a promoter that is obtained as a byproduct of titanium ore chlorination.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: June 10, 2008
    Assignee: Invista North America S.A.R.L.
    Inventors: Thomas Foo, Christian Peter Lenges
  • Patent number: 7230112
    Abstract: Described in this invention is a catalytic process for making amide acetals from nitrites and diethanolamines. Amide acetals can be further crosslinked by hydrolyzing the amide acetal groups, and subsequently reacting the hydroxyl groups and/or the amine functions that are formed, to crosslink the composition.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: June 12, 2007
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Douglas J. Adelman, Neville Everton Drysdale, Christian Peter Lenges, Mark A. Scialdone, Leen Tanghe, Jozef Theresia Huybrechts, Laura Ann Lewin, Robert John Barsotti