Patents by Inventor Marina N. Gillis

Marina N. Gillis 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).

  • Polyurethane curing agents
    Patent number: 4136092
    Abstract: Isocyanate-terminated prepolymers can be cured with di- and triamino-s-triazines of formula ##STR1## where R is ##STR2## --S--R.sub.5 ; --O--R.sub.6 or ##STR3## where at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is hydrogen; R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are hydrogen or an optionally substituted aromatic or aliphatic group andR' is the divalent residue of an organic diamine, the residue of an organic diisocyanate, or the residue of an organic diepoxide.
    Type: Grant
    Filed: May 11, 1976
    Date of Patent: January 23, 1979
    Assignee: Thiokol Corporation
    Inventors: William A. Jackle, Michael P. Mazzeo, Marina N. Gillis