Patents by Inventor Shailendra R. Bhandari

Shailendra R. Bhandari 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).

  • Process for the manufacture of optically active .gamma.-lactone of (1R, cis)-2, 2-dimethyl-3-hydroxymethyl-cyclopropane-1-carboxylic acid
    Patent number: 4568758
    Abstract: The optically active .gamma.-lactone of (1R, cis)-2, 2-dimethyl-3-hydroxymethyl-cyclopropane-1-carboxylic acid, which is useful as an intermediate in the production of pyrethroid insecticides, may be made from optically active (-)car-3-en-5-one by a two stage oxidation process followed by hydrolysis of the intermediate obtained.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: February 4, 1986
    Assignees: Indian Explosives Limited, The Alkali and Chemical Corporation of India, Chemicals and Fibres of India Limited
    Inventors: Arun K. Mandal, Shailendra R. Bhandari, Satish W. Mahajan