Patents by Inventor Inna Fedorovna Tischina

Inna Fedorovna Tischina 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).

  • Base for ophthalmological medicinal preparations and on ophthalmological medicinal film
    Patent number: 3935303
    Abstract: A base for ophthalmological medicinal preparations consists of a homopolymer of an amide of acrylic acid having a molecular weight from 30,000 to 1,000,000, and/or a copolymer of an amide of acrylic acid with unsaturated compounds, the molecular weight of the copolymer being from 20,000 to 500,000, and containing from 10 to 90 percent acrylamide links.The ophthalmological medicinal film is an oblong plate, 6-9 mm long, 3 - 5 mm wide and 0.2 - 0.6 mm thick, of the hompolymer and/or copolymer and an active medicinal ingredient, viz., 3-ethyl-4(1-methyl-5-imidazolyl)-tetrahydrofuran-2-one or atropine, or 3-methoxy-6-sulfanilam idopyridazine, or .beta.-dimethylamino-ethyl-p-butylaminobenzoate, or neamine, or 5-iodo-2-desoxyuridine.
    Type: Grant
    Filed: November 1, 1972
    Date of Patent: January 27, 1976
    Inventors: Gennady Lvovich Khromov, Anatoly Borisovich Davydov, Jury Fedorovich Maichuk, Inna Fedorovna Tischina