Patents by Inventor Morris E. Williams

Morris E. Williams 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).

  • Liquid polythioethers
    Patent number: 4366307
    Abstract: A non-crystallizing, water, solvent, fuel and temperature resistant liquid polythioether having two to four terminating radicals which do not substantially reduce the water, solvent, fuel and temperature resistance and a water, solvent, fuel and temperature resistant polymeric backbone having repeating units of the formula: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is hydrogen or lower alkyl providing that a sufficient number of R.sub.1, R.sub.2, R.sub.3 and/or R.sub.4 are lower alkyl in said polymeric backbone to render said backbone non-crystallizing; X is a divalent organic radical selected from --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --S--CH.sub.2 --CH.sub.2 -- or --CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CH.sub.2 --; n is 8 to 200; and p is 0 or 1.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: December 28, 1982
    Assignee: Products Research & Chemical Corp.
    Inventors: Hakam Singh, Jack W. Hutt, Morris E. Williams