Patents by Inventor Ralph E. Bloom

Ralph E. Bloom 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).

  • Stabilized polyoxyalkylene polyether polyol
    Patent number: 4228247
    Abstract: Synergistic stabilizer combinations consisting of phenols such as 2,6,-di-t-butyl-4-methylphenol, amines such as 4,4'-bis(alpha,alpha- dimethylbenzyl)diphenylamine and p,p'-di-octyldiphenylamine, and phosphites such as phenyldidecylphosphite with 3,5-di-t-butyl-4-hydroxyhydrocinnamic acid triester of 1,3,5-tris(2-hydroxyethyl)-s-triazine-2,4,6-(1H,3H,5H-trione are employed as oxidative stabilizers for polyoxyalkylene polyether polyols and for the prevention of scorch in polyurethane foams prepared therefrom.
    Type: Grant
    Filed: August 29, 1979
    Date of Patent: October 14, 1980
    Assignee: BASF Wyandotte Corporation
    Inventors: Richard A. Moore, Robert J. Hartman, William W. Levis, Jr., Ralph E. Bloom