Patents by Inventor Lev. I. Budarin

Lev. I. Budarin 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).

  • Derivatives of platinum (II) with polymethylsiloxane, method for preparing same and antitumor agent based thereon
    Patent number: 5087712
    Abstract: Derivatives of platinum (II) with polymethylsiloxane comprising xerogels--a product of interaction of a complex compound of platinum (II) in an aqueous solution of sodium chloride with a hydrogel of polymethylsiloxane at a molar ratio of Pt:Si:NaCl of 1-3:50:23-69 consisting a three-dimensionally cross-linked polymer of a globular structure with a globule diameter of 4.0-7.0 nm and a specific surface area of 80-200 m.sup.2 /g having a unit of the general formula:{[PtCl(NH.sub.3).sub.2 O.sub.0.5 ].sub.n (NaCl).sub.5n (CH.sub.3 SiO.sub.1.5).sub.50 (Na.sub.2 O).sub.10 (H.sub.2 O).sub.20 }wherein n=1 to 3.A method for preparing said compounds comprising reacting a complex compound of platinum (II) in an aqueous solution of sodium chloride with a hydrogel or polymethylsiloxane at a molar ratio of Pt:Si:NaCl=1-3:50:23-69, followed by isolation of the desired product.The compounds of the invention exhibit an antitumor activity.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: February 11, 1992
    Inventors: Ilima I. Volchenskova, Nadezhda N. Maidanevich, Lev. I. Budarin, Inna M. Samodumova, Vitaly N. Girin