Patents by Inventor Mikhail A. Ostrovsky

Mikhail A. Ostrovsky 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).

  • Intraocular lens and a polymer composition for making same
    Patent number: 5346507
    Abstract: An intraocular lens comprises a UV-absorbing optic lens made of a polymer composition having the following light transmission spectrum in its visible postion at the following wavelengths: 400 nm, 10 to 27 percent of light transmission; 420 nm, 21 to 37 percent; 440 nm, 37 to 55 percent; 460 nm, 52 to 63 percent; 480 nm, 70 to 78 percent; 560 nm, 85 to 90 percent; 520 to 650 nm, 90 to 95 percent, and incorporating ingredients taken in the following mass percent ratio:______________________________________ UV-absorbing material 1.65 to 3.0 (4-alkoxy-2-hydroxybenzophenone or tetraoxybenzophenone) fat-soluble dye-4-(2,4-dimethylphenylazo)- 0.011 to 0.016 5-methyl-2-phenyl-1,2,3-triazole dibutylphthalate 4.8 to 5.0 polymethylmethacrylate to make up 100%.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: September 13, 1994
    Inventors: Svyatoslav N. Fedorov, Leonid F. Linnik, Givi D. Shimshlashvili, Valentina S. Starshinova, Pavel P. Zak, Mikhail A. Ostrovsky, Irina B. Fedorovich, Valentina A. Roslyakova, Valentin V. Guzeev, Alexandr I. Dyachkov, Irina I. Afanasieva, Vera S. Ljusina, Evgeny I. Degtev