Patents by Inventor James Wichmann

James Wichmann 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).

  • Methods of reducing the adhesion of a maskant
    Patent number: 12024649
    Abstract: A method for reducing adhesion between a maskant and a substrate, wherein the maskant is adhered to a surface of the substrate, the method comprising applying a composition to the maskant.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: July 2, 2024
    Assignee: AC PRODUCTS, INC.
    Inventors: David Tomlinson, Bryan Vu, James Wichmann, Peter Weissman, Gregory Dancy, Thomas Farrell
  • METHODS OF REDUCING THE ADHESION OF A MASKANT
    Publication number: 20220195219
    Abstract: A method for reducing adhesion between a maskant and a substrate, wherein the maskant is adhered to a surface of the substrate, the method comprising applying a composition to the maskant.
    Type: Application
    Filed: January 18, 2022
    Publication date: June 23, 2022
    Applicant: AC PRODUCTS, INC.
    Inventors: David TOMLINSON, Bryan VU, James WICHMANN, Peter WEISSMAN, Gregory DANCY, Thomas FARRELL
  • Methods of reducing the adhesion of a maskant
    Patent number: 11261338
    Abstract: A method for reducing adhesion between a maskant and a substrate, wherein the maskant is adhered to a surface of the substrate, the method comprising applying a composition to the maskant.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: March 1, 2022
    Assignee: AC PRODUCTS, INC.
    Inventors: David Tomlinson, Bryan Vu, James Wichmann, Peter Weissman, Gregory Dancy, Thomas Farrell
  • METHODS OF REDUCING THE ADHESION OF A MASKANT
    Publication number: 20200140704
    Abstract: A method for reducing adhesion between a maskant and a substrate, wherein the maskant is adhered to a surface of the substrate, the method comprising applying a composition to the maskant.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 7, 2020
    Applicant: AC PRODUCTS, INC.
    Inventors: David TOMLINSON, Bryan VU, James WICHMANN, Peter WEISSMAN
  • Masking compositions and method for applying the same
    Patent number: 4946711
    Abstract: A method, and aqueous emulsion, for coating a metal part with a peelable mask that is resistant to attack by the strong acid and strong base etchants used in chemical milling are disclosed. The method comprises contacting a polyvalent metal cation salt-surfaced part with an anionic emulsion for a time period effective to coat the part. The anionic emulsion includes coalescent rubbery particles and pigment and has a total solids content of at least about 10 weight percent. The weight ratio of pigment to rubbery particles is about 0.1:1 to about 2:1, respectively.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: August 7, 1990
    Assignee: DeSoto, Inc.
    Inventors: Fred D. Hawker, Victor E. Pietryga, Robert W. Byrd, James Wichmann, Patricia A. Nicpon