Patents by Inventor Boris N. Rudenko

Boris N. Rudenko 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).

  • Patent number: 4299816
    Abstract: An acaricidal preparation for diagnosis and control of ectoparasites of bees is proposed including 0.006 to 0.167% by weight of an ester of N-methyl-carbamic acid, acetone being the balance, up to 100% by weight.The acaricidal preparation may also include difluoro dichloromethane and have the following composition, in % by weight:______________________________________ ester of N-methyl-carbamic acid 0.006 to 0.05 acetone 19.994 to 29.95 difluoro dichloromethane 80 to 70. ______________________________________The method of using the proposed acaricidal preparation is as follows: bee colonies are sprayed with the preparation in the form of aerosol at an ambient air temperature of 15.degree. to 30.degree. C., at a rate of 15 to 25 seconds per 50 cubic decimeters, once or up to four times, the interval between each treatment in the latter case being 12 to 24 hours.The proposed acaricidal preparation is a highly effective agent for diagnosis and control of ectoparasites of bees.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: November 10, 1981
    Inventors: Anisim A. Polyakov, Vladimir S. Yarnykh, Anatoly M. Smirnov, Mark A. Simetsky, Evgeny A. Kudryavtsev, German A. Talanov, Alexandr A. Zakomyrdin, Boris N. Rudenko, Pavel P. Rakhmanin, Vyacheslav N. Guschin