Patents by Inventor Nikolai Nikandrovich Tvorogov

Nikolai Nikandrovich Tvorogov 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).

  • Anaerobic composition comprising oligocarbonateacrylates benzoyl peroxide and ferrocene
    Patent number: 4076742
    Abstract: An anaerobic composition on the basis of a polymerizable oligomer of the acrylic series, which comprises a polymerization inhibitor, a polymerization initiator combined with a polymerization accelerator, and a plasticizer, wherein, in accordance with the invention, the polymerizable oligomer of the acrylic series is at least one oligocarbonateacrylate of the general formulaCH.sub.2 .dbd. C(X)COORO[COOR'OCOOR"O].sub.n COOR'OCOOROCOC(X) .dbd. CH.sub.2whereX is --H, --CH.sub.3 or a halogen;R is a glycol or bisphenol radical;R' is a glycol, bisphenol or polyol radical;R" is an alkyl or aryl radical;n = 0 or .gtoreq. 1;The polymerization inhibitor is bis(5-methyl-3-tert.butyl-2-oxyphenyl)methane; the polymerization initiator is benzoyl peroxide combined with ferrocene as the polymerization accelerator taken in a ratio of from 1:1 to 1:0.005; and the plasticizer is a polymerizable acrylic acid ester of the formulaR'" --OOC--C(CH.sub.3).dbd.CH.sub.2where R'" is alkyl radical C.sub.8 -C.sub.12.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: February 28, 1978
    Inventors: Alfred Anisimovich Berlin, Khaim-Mordkhe Aronovich Brikenshtein, Nikolai Sviridovich Gavrjushenko, Fedor Ivanovich Dubovitsky, Tamara Yakovlevna Kefeli, Raisa Vasilievna Kronman, Ljudmila Alexeevna Konkhina, Natalya Lvovna Marshavina, Galina Leonidovna Popova, Anna Alexandrovna Radugina, Jury Mikhailovich Sivergin, Iosif Grigorievich Sumin, Nikolai Nikandrovich Tvorogov, Galina Pavlovna Shilova, David Alexeevich Kardashov