Patents by Inventor Thomas C. Lausman

Thomas C. Lausman 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).

  • Video disc lubricants
    Patent number: 4342659
    Abstract: Molecular distillation of methyl alkyl siloxanes of the formula ##STR1## wherein R.sub.1 and R.sub.2 are alkyl groups of 4-20 carbon atoms and m and p are integers to produce a distillate having a molecular weight fraction wherein the sum of m and p is about 4, produces an improved lubricant for the video disc, a lubricant that is stable to long term storage and to wide variations in temperature and relative humidity.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: August 3, 1982
    Assignee: RCA Corporation
    Inventors: Chih C. Wang, Lincoln Ekstrom, Thomas C. Lausman, Henry Wielicki
  • Video disc lubricants
    Patent number: 4275101
    Abstract: Molecular distillation of methyl alkyl siloxanes of the formula ##STR1## wherein R.sub.1 and R.sub.2 are alkyl groups of 4-20 carbon atoms and m and p are integers to produce a distillate having a molecular weight fraction wherein the sum of m and p is about 4, produces an improved lubricant for the video disc, a lubricant that is stable to long term storage and to wide variations in temperature and relative humidity.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: June 23, 1981
    Assignee: RCA Corporation
    Inventors: Chih C. Wang, Lincoln Ekstrom, Thomas C. Lausman, Henry Wielicki