Patents by Inventor Valeria I. Timokhina

Valeria I. Timokhina 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
  • Composition for occlusion of ducts and cavities of human body
    Patent number: 4847065
    Abstract: The present invention relates to compositions for occlusion of ducts and cavities of human body.
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: July 11, 1989
    Inventors: Alla Y. Akimova, Valentin M. Buyanov, Eduard I. Galperin, Anatoly B. Davydov, Valery N. Egiev, Svetlana M. Kremli, Nikolai F. Kuzovlev, Natalya A. Lukyanova, Valeria I. Timokhina
  • Composition for sealing wound surfaces
    Patent number: 4479933
    Abstract: A composition for sealing wound surfaces comprises .alpha.-cyanacrylic acid ester or a mixture of esters, monoalkyl esters of polyethylene glycol based on primary aliphatic alcohols of the formula; C.sub.n H.sub.2n+1 O(C.sub.2 H.sub.4 O).sub.m H, wherein n=10 to 18, m=7-10, and a water-soluble ketone, the components being present in the following proportions, in percent by weight:______________________________________ .alpha.-cyanacrylic acid ester or a mixture of 95-75 esters monoalkyl esters of polyethylene glycol 0.01-0.5 based on primary aliphatic alcohols of the formula: C.sub.n H.sub.2n+1 O(C.sub.2 H.sub.4 O).sub.m H, wherein n = 10-18, m = 7-10 water soluble ketone 4.5-24.99. ______________________________________The composition of the present invention is useful in medical practice for sealing the line of anastomosis sutures, hermetization of wound surfaces of internal organs, for stopping diffuse hemorrage in operations, for endoscopic applications in chronic ulcera, and the like.
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: October 30, 1984
    Assignee: Vsesojuzny Nauchnoissledovatelsky I Ispytatelny Institut Meditsinskoi Tekhniki
    Inventors: Alla Y. Akimova, Valentin M. Buyanov, Eduard I. Galperin, Anatoly B. Davydov, Galina M. Derkach, Vitaly P. Derevyanko, Viktor V. Keshelava, Larisa P. Malyarova, Igor G. Rusakov, Valeria I. Timokhina, Valery I. Chissov
  • Composition for temporary substitution of bone tissue defects
    Patent number: 4407793
    Abstract: The composition for a temporary substitution of bone tissue defects according to the present invention consists of .alpha.-cyanacrylic acid esters and a powder-like filler which is a calcium salt of an organic or inorganic acid with a particle size of from 0.01 to 0.5 mm, the components being used in the following proportions, percent by weight:______________________________________ .alpha.-cyanacrylic acid esters 60 to 40 calcium salt of organic or inorganic acid with a particle size of 0.01 to 0.5 mm 40 to 60. ______________________________________The composition of the present invention is useful for fixation of bone fragments, fixation of bone homotransplantant in the case of anterior cervical spondyolodosis, temporary filling of bone cavities and the like.
    Type: Grant
    Filed: May 26, 1982
    Date of Patent: October 4, 1983
    Inventors: Alla Y. Akimova, Anatoly B. Davydov, Galina M. Derkach, Valeria I. Timokhina, Sergei S. Tkachenko, Vladimir V. Rutsky, Mstislav V. Volkov, Irina S. Shepeleva, Alexandr V. Shiryaev, Semen I. Lipkin, Vladimir M. Musyanovich