Patents by Inventor Debra S. Strickland

Debra S. Strickland 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).

  • Antistatic coated polyester film
    Patent number: 10301483
    Abstract: An antistatic polyester film includes a self-supporting polyester substrate film bearing on at least one surface thereof an antistatic layer including a) one or more antistatic polymers comprising repeat units according to formula (I) wherein R1 and R2 are each independently H or CH3, R3 is an alkylene group having a carbon number in a range from 2 to 10, R4 and R5 are each independently a saturated hydrocarbon group having a carbon number in a range from 1 to 5, R6 is an alkylene group having a carbon number in a range from 2 to 5, n is an integer in a range from 0 to 40, m is an integer in a range from 1 to 40, and Y? is a halogen ion, nitrate ion, sulfate ion, alkylsulfate ion, sulfonate ion, alkylsulfonate ion or dihydrogen phosphate ion; b) one or more nonpolymeric cationic antistatic agents; and c) one or more crosslinkers.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: May 28, 2019
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Debra S. Strickland, Julian Neal Robinson, Jackie H. Symonds, Cornell Chappell, Jr.
  • ANTISTATIC COATED POLYESTER FILM
    Publication number: 20160333196
    Abstract: An antistatic polyester film includes a self-supporting polyester substrate film bearing on at least one surface thereof an antistatic layer including a) one or more antistatic polymers comprising repeat units according to formula (I) wherein R1 and R2 are each independently H or CH3, R3 is an alkylene group having a carbon number in a range from 2 to 10, R4 and R5 are each independently a saturated hydrocarbon group having a carbon number in a range from 1 to 5, R6 is an alkylene group having a carbon number in a range from 2 to 5, n is an integer in a range from 0 to 40, m is an integer in a range from 1 to 40, and Y? is a halogen ion, nitrate ion, sulfate ion, alkylsulfate ion, sulfonate ion, alkylsulfonate ion or dihydrogen phosphate ion; b) one or more nonpolymeric cationic antistatic agents; and c) one or more crosslinkers.
    Type: Application
    Filed: February 4, 2015
    Publication date: November 17, 2016
    Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Debra S. STRICKLAND, Julian Neal ROBINSON, Jackie H. SYMONDS, Cornell CHAPPELL, JR.
  • DONOR ELEMENT WITH MALEIC ANHYDRIDE BASED POLYMERS FOR THERMAL TRANSFER
    Publication number: 20110244390
    Abstract: This invention pertains to a donor element for use with a receiver element in an imagable assemblage for light-induced transfer of material from the donor element to the receiver element. Specifically, this invention relates to such a donor element comprising a copolymer based on styrene and maleic anhydride.
    Type: Application
    Filed: April 19, 2007
    Publication date: October 6, 2011
    Inventors: Thomas C. Felder, Christopher Ferguson, Richard Paul Pankratz, Julian Neal Robinson, Debra S. Strickland
  • Aqueous coating composition
    Publication number: 20030050388
    Abstract: An aqueous coating composition having a pH of 6.0-10.0 and having a VOC of less than 0.24 kg/l (2.
    Type: Application
    Filed: September 6, 2001
    Publication date: March 13, 2003
    Inventors: Debra S. Strickland, Peter W. Uhlianuk, San C. Yuan