Patents by Inventor Sreeman Amar Nath Neogi

Sreeman Amar Nath Neogi 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).

  • Synthetic polymers furnishing controlled release of a biologically active component during degradation
    Patent number: 4062855
    Abstract: Synthetic, substantially water-insoluble organic polymers having a backbone or main chain including repeating units of at least one polymer forming biologically active component such as a pesticide are capable of slowly degrading in the medium where their activity is desired to slowly release the free biologically active component and thereby prolong the period of effectiveness of the biologically active component.
    Type: Grant
    Filed: September 27, 1971
    Date of Patent: December 13, 1977
    Assignee: University of Washington
    Inventors: G. Graham Allan, Sreeman Amar Nath Neogi