Patents by Inventor See Lin

See Lin 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).

  • Polyaromatic ether-sulfone-keytones with fluoro-substituted-p-cyclophane units as cross-linking sites
    Patent number: 4499258
    Abstract: Polyaromatic ether-sulfone-ketones containing fluoro-substituted-p-cyclophane units were prepared from isophthaloyl chloride, terephthaloyl chloride, diphenyl ether, diphenoxydiphenyl sulfone and a small amount of either 1,1, 2,2, 9,9, 10,10-octafluoro [2,2]-p-cyclophane (type B) or pseudo-p-1,1, 2,2, 9,9, 10,10-octofluoro [2,2]-p-cyclophane bis-acid chloride (type A) by a Friedal-Crafts type polymerization procedure. The p-cyclophane units were incorporated as cross-linking sites.
    Type: Grant
    Filed: May 30, 1984
    Date of Patent: February 12, 1985
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl S. Marvel, See Lin
  • Pseudo-p-1,1,2,2,9,9,10,10-octofluoro[2,2]-p-cyclophane bis-acid chloride
    Patent number: 4476062
    Abstract: Polyaromatic ether-sulfone-ketones containing fluoro-substituted-p-cyclophane units were prepared from isophthaloyl chloride, terephthaloyl chloride, diphenyl ether, diphenoxydiphenyl sulfone and a small amount of either 1,1,2,2,9,9,10,10-octafluoro[2,2]-p-cyclophane (type B) or pseudo-p-1,1,2,2,9,9,10,10-octofluoro[2,2]-p-cyclophane bis-acid chloride (type A) by a Friedel-Crafts type polymerization procedure. The p-cyclophane units were incorporated as cross-linking sites.
    Type: Grant
    Filed: November 16, 1983
    Date of Patent: October 9, 1984
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl S. Marvel, See Lin