Patents by Inventor Colin PILKINGTON

Colin PILKINGTON 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: 12110441
    Abstract: A surfactant of formula (I): A-(L1)a-(C2)b-(L2)c-X??(I) wherein A is a perfluoropolyether; L1 is CONR', wherein R? is selected from H and C1-6 alkyl; a is 0 or 1; b is 0 or an integer between 1 and 10; L2 is a linking group; c is 0 or 1; and X is a charged group.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: October 8, 2024
    Assignee: SPHERE FLUIDICS LIMITED
    Inventors: Xin Li, Clive A. Smith, Alexandra Clay, Colin Pilkington
  • Publication number: 20220185927
    Abstract: A hydrogel includes a dendritic core with 2 to 30 arms, and first and second acrylamide monomers incorporated into each arm. The first acrylamide monomer is: (I), wherein R1 and R2 are independently selected from an alkyl, an alkylamino, an alkylamido, an alkylthio, an aryl, a glycol, and optionally substituted variants thereof; and the second acrylamide monomer is: (II), wherein R3 and R4 are independently hydrogen or an alkyl; L is a linker including a linear chain of 2 to 20 atoms selected from carbon, oxygen, and nitrogen and optional substituents on the carbon and any nitrogen atoms; A is an N substituted amide: (III), where R5 is hydrogen or an alkyl; E is a linear chain of 1 to 4 atom(s) selected from carbon, oxygen and nitrogen, and optional substituents on the carbon and any nitrogen atoms; and Z is an optional nitrogen containing heterocycle.
    Type: Application
    Filed: December 1, 2020
    Publication date: June 16, 2022
    Inventors: Gianluca Andrea Artioli, Andrew A. Brown, Wayne N. George, Colin Pilkington, Jem Pitcairn, Alexandre Richez, Xavier von Hatten
  • Publication number: 20200316545
    Abstract: A surfactant of formula (I): A-(L1)a-(C2)b-(L2)c-X ??(I) wherein A is a perfluoropolyether; L1 is CONR', wherein R? is selected from H and C1-6 alkyl; a is 0 or 1; b is 0 or an integer between 1 and 10; L2 is a linking group; c is 0 or 1; and X is a charged group.
    Type: Application
    Filed: November 29, 2018
    Publication date: October 8, 2020
    Inventors: Xin LI, Clive A. SMITH, Alexandra CLAY, Colin PILKINGTON