Patents by Inventor Celia A. Whitesitt

Celia A. Whitesitt 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).

  • Process for intermediates to leukotriene antagonists
    Patent number: 4777298
    Abstract: Resorcinol is acylated in a mixture of acetic or propionic acid and hydrobromic acid. The dihydroxy acylbenzenes thus produced are intermediates in the synthesis of leukotriene antagonists.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: October 11, 1988
    Assignee: Eli Lilly and Company
    Inventors: Winston S. Marshall, Sandra K. Sigmund, Celia A. Whitesitt
  • Process for leukotriene antagonists
    Patent number: 4777299
    Abstract: 1,3-Dialkylbenzenes are acylated and deprotected in a mixture of acetic or propionic acid and hydrobromic acid. The dihydroxyphenones thus produced are intermediates in the synthesis of leukotriene antagonists.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: October 11, 1988
    Assignee: Eli Lilly and Company
    Inventors: Winston S. Marshall, Sandra K. Sigmund, Celia A. Whitesitt
  • 1,3-Disubstituted 2-azetidinone antibitotics
    Patent number: 4195021
    Abstract: Novel 3-acylaminoazetidin-4-one antibiotic compounds, prepared by reduction of known 2-chloroazetidin-4-one compounds with tri(butyl)tin hydride, are antinicrobial agents.
    Type: Grant
    Filed: October 26, 1977
    Date of Patent: March 25, 1980
    Assignee: Eli Lilly and Company
    Inventors: David K. Herron, Celia A. Whitesitt