Patents by Inventor Sarfaraz Akhtar Khan

Sarfaraz Akhtar Khan 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).

  • Printable oxygen sensing composition
    Patent number: 9459241
    Abstract: An ink composition comprising an oxygen sensitive dye capable of fluorescing in a manner proportional to oxygen content; and a polymer matrix for the dye, the polymer matrix having units with pendant sulphonic acid or phosphonic acid groups or salts or esters of such groups, can be used with an appropriate meter to measure the oxygen content of packages in a non-invasive manner.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: October 4, 2016
    Assignee: Sun Chemical B.V.
    Inventors: Sarfaraz Akhtar Khan, Michael William Leonard, Robert Lines
  • Gas barrier coatings
    Patent number: 9221956
    Abstract: Water-dilutable coating compositions comprising poly(vinyl alcohol) and/or ethylene-vinyl alcohol copolymer, dispersed clay and polycarboxylic acid polymer that can be prepared using convention apparatus and that provide exceptional oxygen barrier along with good laminate bond strengths at high relative humidity when incorporated into adhesively formed laminates, particularly PET-PE laminate structures.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: December 29, 2015
    Assignee: Sun Chemical Corporation
    Inventors: Derek Ronald Illsley, Sarfaraz Akhtar Khan, Graham Trevor Street
  • GAS BARRIER COATINGS
    Publication number: 20120272618
    Abstract: Water-dilutable coating compositions comprising poly(vinyl alcohol) and/or ethylene-vinyl alcohol copolymer, dispersed clay and polycarboxylic acid polymer that can be prepared using convention apparatus and that provide exceptional oxygen barrier along with good laminate bond strengths at high relative humidity when incorporated into adhesively formed laminates, particularly PET-PE laminate structures.
    Type: Application
    Filed: November 19, 2010
    Publication date: November 1, 2012
    Applicant: SUN CHEMICAL B.V.
    Inventors: Derek Ronald Illsley, Sarfaraz Akhtar Khan, Graham Trevor Street
  • PRINTABLE OXYGEN SENSING COMPOSITION
    Publication number: 20100221468
    Abstract: An ink composition comprising an oxygen sensitive dye capable of fluorescing in a manner proportional to oxygen content; and a polymer matrix for the dye, the polymer matrix having units with pendant sulphonic acid or phosphonic acid groups or salts or esters of such groups, can be used with an appropriate meter to measure the oxygen content of packages in a non-invasive manner.
    Type: Application
    Filed: September 18, 2008
    Publication date: September 2, 2010
    Inventors: Sarfaraz Akhtar Khan, Michael William Leonard, Robert Lines