Patents by Inventor Deivaraj Theivanayagam Chairman

Deivaraj Theivanayagam Chairman 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).

  • Publication number: 20220184988
    Abstract: The present invention relates to a layer structure, preferably a hinge, particularly preferably a book cover, very particularly preferably a book cover for identification and security documents, comprising at least one outer layer a) containing at least one thermoplastic elastomer, preferably a thermoplastic polyurethane, and at least one layer b) containing at least one material selected from the group consisting of a polymer, a metal, a textile, a paper and a synthetic paper, or a combination of at least two of these, and also relates to a laminate comprising the above layer structure and to the method for producing same. The invention further relates to the use of the layer structure and/or laminate for the production of a hinge, preferably a multilayer book cover, especially for security and identification documents.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 16, 2022
    Inventors: Georgios Tziovaras, Heinz Pudleiner, Deivaraj Theivanayagam Chairman, Helge Kosthorst, Christoph Koehler, Norbert Hermanns, Kira Planken, Stefan Janke
  • Patent number: 10208190
    Abstract: A coating composition which imparts antifog, antireflective, easy-cleaning, and/or antistatic properties to substrates coated therewith. The coating compositions utilize nanoparticles functionalized with amine groups and/or protected amine groups, and amine-reactive groups.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: February 19, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Zhigang Yu, Xue-hua Chen, Bangwei Xi, Appuswamy Devasenapathi, WeiDe Liu, George VanDyke Tiers, Justin A. Riddle, Deivaraj Theivanayagam Chairman, Michelle L. Legatt, Cecil V. Francis
  • Publication number: 20150218351
    Abstract: A coating composition which imparts antifog, antireflective, easy-cleaning, and/or antistatic properties to substrates coated therewith. The coating compositions utilize nanoparticles funtionalized with amine groups and/or protected amine groups, and amine-reactive groups.
    Type: Application
    Filed: April 16, 2015
    Publication date: August 6, 2015
    Inventors: Naiyong Jing, Zhigang Yu, Xue-hua Chen, Bangwei Xi, Appuswamy Devasenapathi, WeiDe Liu, George VanDyke Tiers, Justin A. Riddle, Deivaraj Theivanayagam Chairman, Michelle L. Legatt, Cecil V. Francis
  • Patent number: 9034489
    Abstract: A coating composition which imparts antifog, antireflective, easy-cleaning, and/or antistatic properties to substrates coated therewith. The coating compositions utilize nanoparticles funtionalized with amine groups and/or protected amine groups, and amine-reactive groups.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: May 19, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Zhigang Yu, Xue-hua Chen, Bangwei Xi, Appuswamy Devasenapathi, Wei De Liu, George Van Dyke Tiers, Justin A. Riddle, Deivaraj Theivanayagam Chairman, Michelle L. Legatt, Cecil V. Francis
  • Publication number: 20140329054
    Abstract: The present invention relates to an aqueous formulation particularly for generating electrically conductive and/or reflective structures by microcontact printing, characterized in that the formulation contains at least a) ?15 to ?55 parts by weight water, b) ?10 to ?50 parts by weight alcohol, c) ?15 to ?45 parts by weight metal-based nanoparticles, d) 0.5 to ?10 parts by weight non-fluorinated surfactant, and e) ?0.5 to ?10 parts by weight fluorinated surfactant, wherein the above defined constituents a) to e) summarize to a concentration of ?100 parts by weight in the formulation. The wetting behavior especially of hydrophobic materials may significantly be improved. The present invention further relates to a method of generating structures, particularly being electrically conductive and/or reflective, on a substrate by microcontact printing and a substrate comprising such a structure.
    Type: Application
    Filed: September 25, 2012
    Publication date: November 6, 2014
    Applicant: CLARIANT INTERNATIONAL AG
    Inventors: Deivaraj Theivanayagam Chairman, Frank Sicking, Venkataramanan Balasubramanian, Daniel Rudhardt
  • Publication number: 20120088106
    Abstract: A coating composition which imparts antifog, antireflective, easy-cleaning, and/or antistatic properties to substrates coated therewith. The coating compositions utilize nanoparticles funtionalized with amine groups and/or protected amine groups, and amine-reactive groups.
    Type: Application
    Filed: June 30, 2010
    Publication date: April 12, 2012
    Inventors: Naiyong Jing, Zhigang Yu, Xue-hua Chen, Bangwei Xi, Appuswamy Devasenapathi, Wei De Liu, George Van Dyke Tiers, Justin A. Riddle, Deivaraj Theivanayagam Chairman, Michelle L. Legatt, Cecil V. Francis