Patents by Inventor Cyril Woolf

Cyril Woolf 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).

  • Fluorinated polyol esters
    Patent number: 4219625
    Abstract: As an additive imparting oil and water repellency, durable against laundering and abrasion, to PET fibers: a partially or fully acylated polyol, especially pentaerythritol, glycerol, hydroquinone or ethylene glycol, acylated with a phthalic or terephthalic monoester having a perfluorinated alkyl or alkoxyalkyl C.sub.2 to C.sub.20 radical, especially C.sub.5 to C.sub.10 n-alkyl or (CF.sub.2).sub.n OR.sub.f where R.sub.f is C.sub.1 to C.sub.6 perfluoroalkyl, especially perfluoroisopropyl and (CF.sub.2).sub.n is a straight chain C.sub.2 to C.sub.10 diradical.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: August 26, 1980
    Assignee: Allied Chemical Corporation
    Inventors: Frank Mares, Bryce C. Oxenrider, Cyril Woolf