Patents by Inventor William C. Henning

William C. Henning 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).

  • Loracarbef isopropanolate
    Patent number: 5672700
    Abstract: The invention is directed to the crystalline isopropyl alcohol solvate of loracarbef, and also is directed to a process for the preparation of the crystalline monohydrate form of the compound of formula (I) ##STR1## which includes exposing the crystalline isopropyl solvate form of the compound of formula (I) to a temperature of between about 50.degree. and 90.degree. C. and a relative humidity of between about 60 to about 100%.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: September 30, 1997
    Assignee: Eli Lilly and Company
    Inventors: William C. Henning, Michael E. O'Dea
  • Process for preparing loracarbef monohydrate
    Patent number: 5580977
    Abstract: The invention is directed to a crystalline anhydrate solvate of loracarbef, and also is directed to a process for preparing a crystalline monohydrate form of the compound of formula (I) ##STR1## which comprises drying a crystalline isopropanolate form of the compound of formula (I) at a temperature of from about 50.degree. C. to about 100.degree. C. to provide a crystalline anhydrate form of the compound of formula (I); and exposing the crystalline anhydrate form of the compound of formula (I) to a relative humidity of from about 90 to about 100%.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: December 3, 1996
    Assignee: Eli Lilly and Company
    Inventors: William C. Henning, Theodore R. Stout
  • Loracarbef isopropanolate and a process for converting loracarbef isopropanolate to loracarbef monohydrate
    Patent number: 5399686
    Abstract: The invention is directed to the crystalline isopropyl alcohol solvate of loracarbef, and also is directed to a process for the preparation of the crystalline monohydrate form of the compound of formula (I) ##STR1## which includes exposing the crystalline isopropyl solvate form of the compound of formula (I) to a temperature of between about 50.degree. and 90.degree. C. and a relative humidity of between about 60 to about 100%.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: March 21, 1995
    Assignee: Eli Lilly and Company
    Inventors: William C. Henning, Michael E. O'Dea