Patents by Inventor Naresh Kumar Chadha

Naresh Kumar Chadha 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).

  • 4,5, Substituted cyclopentane-1,3-diols
    Patent number: 4115452
    Abstract: An asymmetric synthesis of optically active prostaglandin F.sub.2.alpha. from cyclopentadiene including intermediates in this synthesis.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: September 19, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Naresh Kumar Chadha, John Joseph Partridge, Jr., Milan Radoje Uskokovic
  • Asymmetric synthesis of optically active prostaglandins
    Patent number: 3933892
    Abstract: An asymmetric synthesis of optically active prostaglandin F.sub.2.sub..alpha. from cyclopentadiene including intermediates in this synthesis.
    Type: Grant
    Filed: January 18, 1974
    Date of Patent: January 20, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Naresh Kumar Chadha, John Joseph Partridge, Jr., Milan Radoje Uskokovic