Patents by Inventor Naresh K. Chadha

Naresh K. 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).

  • Asymmetric synthesis of optically active prostaglandins
    Patent number: 4140708
    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: February 20, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Naresh K. Chadha, John J. Partridge, Jr., Milan R. Uskokovic
  • Asymmetric synthesis of optically active prostaglandins
    Patent number: 4137244
    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: January 30, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Naresh K. Chadha, John J. Partridge, Jr., Milan R. Uskokovic
  • Process for producing lactones
    Patent number: 4133818
    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: January 9, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Naresh K. Chadha, John J. Partridge, Jr., Milan R. Uskokovic
  • 2-Hydroxyethyl-3-cyclopenten-1-ols and derivatives thereof
    Patent number: 4127736
    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: November 28, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Naresh K. Chadha, John J. Partridge, Jr., Milan R. Uskokovic