Patents by Inventor Jackie H. SYMONDS

Jackie H. SYMONDS 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).

  • Peelable adhesive polymeric film
    Patent number: 10442959
    Abstract: Peelable polymeric film, in particular, peelable polymeric film which comprises a polymeric substrate layer and a coating layer of adhesive, and which is of particular use in the manufacture of electronic devices is described. The adhesive layer is derived from an aqueous composition which comprises an aliphatic polyurethane and is switchable.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: October 15, 2019
    Assignee: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Julian N. Robinson, Jackie H. Symonds, Duncan Mackerron, Stephen W. Sankey, Jamie Evans, Rachel Clare Little
  • 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.
  • PEELABLE ADHESIVE POLYMERIC FILM
    Publication number: 20180118980
    Abstract: Peelable polymeric film, in particular, peelable polymeric film which comprises a polymeric substrate layer and a coating layer of adhesive, and which is of particular use in the manufacture of electronic devices is described. The adhesive layer is derived from an aqueous composition which comprises an aliphatic polyurethane and is switchable.
    Type: Application
    Filed: April 29, 2016
    Publication date: May 3, 2018
    Applicant: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP
    Inventors: Julian N. ROBINSON, Jackie H. SYMONDS, Duncan MACKERRON, Stephen W. SANKEY, Jamie EVANS, Rachel Clare LITTLE
  • 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.