Patents by Inventor Anatoly Nikolaevich Chigir

Anatoly Nikolaevich Chigir 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).

  • Biocompatible material for treatment of tissular or organic defects
    Patent number: 4981483
    Abstract: A biocompatible material for treatment of tissular or organic defects is composed of a graft copolymer of alpha-cyanacrylate and polyacrylic acid having a molecular weight of 200,000 to 600,000, obtained by interaction of alpha-cyanacrylate with polyacrylic acid in the presence of a cross-linking agent, the weight percentage ratio of the aforesaid components being as follows:______________________________________ alpha-cyanacrylate 14 to 34 polyacrylic acid having a molecular weight of 200,000 to 600,000 15 to 43 cross-linking agent 71 to 23 ______________________________________ .
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: January 1, 1991
    Inventors: Alla Y. Akimova, Anatoly B. Davydov, Valery N. Egiev, Anna I. Iliina, Jury P. Kapustin, Anesty K. Orfanidi, Alexei N. Smirnov, Eduard A. Stepanov, Valeria I. Timokhina, Anatoly Nikolaevich Chigir, Kirill G. Schitkov