Patents by Inventor Joseph E. Lynch

Joseph E. Lynch 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 the preparation of 4-acyloxyazetidin-2-one by singlet oxygen oxidation
    Patent number: 4940520
    Abstract: The 4-acyloxyazetidin-2-ones, which are intermediates in the production of carbapenems and penems, are produced from 4-furanylazetidin-2-ones by singlet oxygen oxidation.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: July 10, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Joseph E. Lynch, William L. Laswell, Ralph P. Volante, Ichiro Shinkai
  • Oxidation and reduction method to produce 4-acyloxyazetidin-2-one
    Patent number: 4923982
    Abstract: The 4-acyloxyazetidin-2-ones, which are intermediates in the production of carbapenems and penems, are produced from 4-furanylazetidin-2-ones by a sequential oxidation-reduction-oxidation reaction scheme.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: May 8, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Joseph E. Lynch, William L. Laswell, Ralph P. Volante, Ichiro Shinkai
  • Process for the preparation of HMG-CoA reductase inhibitors intermediates
    Patent number: 4611081
    Abstract: A novel process for intermediates in the synthesis and hypercholesterolemic compounds of the HMG-CoA reductase type of the following general formula (1): ##STR1## involving an enantioselective aldol condensation is disclosed.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: September 9, 1986
    Assignee: Merck & Co., Inc.
    Inventors: Joseph E. Lynch, Ichiro Shinkai, Ralph P. Volante
  • Process for the preparation of HMG-CoA reductase inhibitors intermediates
    Patent number: RE33033
    Abstract: .Iaddend.hypercholesterolemic compounds of the HMG-CoA reductase type of the following general formula (1): ##STR1## involving an enantioselective aldol condensation is disclosed.
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: August 22, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Joseph E. Lynch, Ichiro Shinkai, Ralph P. Volante