Patents by Inventor Edward C. Mark, Jr.

Edward C. Mark, Jr. 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).

  • Cleaning solvent compositions exhibiting azeotrope-like behavior and their use
    Patent number: 10787632
    Abstract: A cleaning solvent composition comprises from about 70 to about 95.7 weight percent trans-dichloroethylene, from about 15 to about 3.8 weight percent heptafluorocyclopentane, and from about 15 to about 0.5 weight percent of methylperfluoroheptene ethers. The composition may comprise from about 88 to about 94.2 weight percent trans-dichloroethylene, from about 6 to about 3.8 weight percent heptafluorocyclopentane, and from about 6 to about 2 weight percent of methylperfluoroheptene ethers. A method for cleaning articles of soiling substances comprises contacting the articles with the solvent composition by any suitable means such as a spray delivered by a propellant gas, or by contact with liquid and/or vapor solvent compositions, as in a conventional vapor degreaser apparatus.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 29, 2020
    Assignee: ZYNON TECHNOLOGIES, LLC
    Inventors: Wells Cunningham, Elizabeth P. Norwood, Edward C. Mark, Jr., Venesia L. Hurtubise
  • CLEANING SOLVENT COMPOSITIONS EXHIBITING AZEOTROPE-LIKE BEHAVIOR AND THEIR USE
    Publication number: 20200181544
    Abstract: A cleaning solvent composition comprises from about 70 to about 95.7 weight percent trans-dichloroethylene, from about 15 to about 3.8 weight percent heptafluorocyclopentane, and from about 15 to about 0.5 weight percent of methylperfluoroheptene ethers. The composition may comprise from about 88 to about 94.2 weight percent trans-dichloroethylene, from about 6 to about 3.8 weight percent heptafluorocyclopentane, and from about 6 to about 2 weight percent of methylperfluoroheptene ethers.
    Type: Application
    Filed: November 30, 2017
    Publication date: June 11, 2020
    Applicant: Zynon Technologies, LLC
    Inventors: Wells Cunningham, Elizabeth P. Norwood, Edward C. Mark, Jr., Venesia L. Hurtubise