Patents by Inventor Alexandr N. Polivanov

Alexandr N. Polivanov 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).

  • Material for ocular prosthetics
    Patent number: 4647282
    Abstract: An optical prosthetic device made from a material based on silicone compounds is a cured composition resulting from vulcanization of a mixture of .alpha.,.omega.-bis-trivinylsiloxyoligodimethyl(methylphenyl)-siloxane and .alpha.,.omega.-bis-trimethyl(dimethylhydro)siloxyoligomethyl(phenyl)methy lhydro-siloxane in the presence of a polyaddition reaction catalyst based on the compounds of metals of the platinum group, the ratio of the first mixture component to the second one ranging within 100:1 and 100:20 parts by mass.
    Type: Grant
    Filed: August 27, 1985
    Date of Patent: March 3, 1987
    Assignees: Moskovsky Nauchno-Issledovatelsky Institut Mikrokhirurgii Glaza, Gosudarstvenny Nauchno-Issledovatelsky Institut Khimii I Tekhnologii Elementoorganicheskikh Soedineniy, Moskovsky Institut Elektronnogo Mashinostrogenia
    Inventors: Svyatoslav N. Fedorov, Eleonora V. Egorova, Sergei R. Nanushyan, Evgeny A. Chernyshev, Oleg P. Spiridonov, Igor L. Benenson, Alexandr N. Polivanov, Anatoly S. Shapatin, Alexandr A. Karavaev