Patents by Inventor Chaitin Khosla

Chaitin Khosla 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).

  • Ketolide antibacterials
    Patent number: 6590083
    Abstract: The present invention includes compounds of the formula wherein: X is hydrogen or halide; R2 is hydrogen, acyl, or a hydroxy protecting group; R6 is hydrogen, hydroxyl, or —ORa wherein Ra is a substituted or unsubstituted moiety selected from the group consisting of C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, aryl, heterocyclo, aryl(C1-C10)alkyl, aryl(C2-C10)alkenyl, aryl(C2-C10)alkynyl, heterocyclo(C1-C10)alkyl, heterocyclo(C2-C10)alkenyl, and heterocyclo(C2-C10)alkynyl; R13 is hydrogen or a substituted or unsubstituted moiety wherein the moiety is selected from the group consisting of methyl; C3-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, aryl, heterocyclo, aryl(C1-C10)alkyl, aryl(C2-C10)alkenyl, aryl(C2-C10)alkynyl, heterocyclo(C1-C10)alkyl, heterocyclo(C2-C10)alkenyl, and heterocyclo(C2-C10)alkynyl; and, R is hydrogen or a substituted or unsubstituted moiety wherein the moiety is selected from the group consisting of C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, aryl, heteroc
    Type: Grant
    Filed: October 18, 2000
    Date of Patent: July 8, 2003
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Dennis Hlasta, Todd C. Henninger, Eugene B. Grant, Chaitin Khosla, Daniel T. W. Chu, Gary Ashley
  • Ketolide antibacterials
    Patent number: 6458771
    Abstract: A series of ketolide antibacterials in the macrolide family of the formula: intermediates used in their manufacture and pharmaceutical compositions containing them. The compounds are erythromycin analogues useful in the treatment of bacterial and protozoal infections and in the treatment of other conditions involving gastric motility.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: October 1, 2002
    Assignees: Ortho-McNeil Pharmaceutical, Inc., Kosan Biosciences, Inc.
    Inventors: Dennis J. Hlasta, Todd C. Henninger, Eugene B. Grant, Chaitin Khosla, Daniel T. W. Chu
  • Ketolide antibacterials
    Patent number: 6399582
    Abstract: A series of ketolide antibacterials in the macrolide family of the formula: intermediates used in their manufacture and pharmaceutical compositions containing them. The compounds are erythromycin analogues useful in the treatment of bacterial and protozoal infections and in the treatment of other conditions involving gastric motility.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: June 4, 2002
    Assignee: Ortho-McNeil Pharmaceutical, Inc.
    Inventors: Dennis J. Hlasta, Todd C. Henninger, Eugene B. Grant, Chaitin Khosla, Daniel T. W. Chu