Patents by Inventor Sweet K. Gurwara

Sweet K. Gurwara 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).

  • 3-Nitro-4-bromomethyl benzoic acid
    Patent number: 4189605
    Abstract: The invention is addressed to the preparation of 3-nitro-4-bromomethyl benzoic acid, as a new compound from which 3-nitro-4-bromomethyl benzoyl amide polystyrene resin can be prepared for solid synthesis of protected peptide acids and amides and separation thereof without cleavage of acid labile protecting groups or decomposition of aromatic acid groups and from which purified polypeptides can be formed.
    Type: Grant
    Filed: November 10, 1977
    Date of Patent: February 19, 1980
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Daniel H. Rich, Sweet K. Gurwara
  • Solid phase synthesis of protected peptides
    Patent number: 4101721
    Abstract: The invention is addressed to the preparation of 3-nitro-4-bromomethyl benzoic acid, as a new compound from which 3-nitro-4-bromomethyl benzoyl amide polystyrene resin can be prepared for solid synthesis of protected peptide acids and amides and separation thereof without cleavage of acid labile protecting groups or decomposition of aromatic acid groups and from which purified polypeptides can be formed.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: July 18, 1978
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Daniel H. Rich, Sweet K. Gurwara
  • Solid phase synthesis of protected peptides
    Patent number: 4062746
    Abstract: The invention is addressed to the preparation of 3-nitro-4-bromomethyl benzoic acid, as a new compound from which 3-nitro-4-bromomethyl benzoyl amide polystyrene resin can be prepared for solid synthesis of protected peptide acids and amides and separation thereof without cleavage of acid labile protecting groups or decomposition of aromatic acid groups and from which purified polypeptides can be formed.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: December 13, 1977
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Daniel H. Rich, Sweet K. Gurwara