Patents by Inventor Jakob-Matthias Drossard

Jakob-Matthias Drossard 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).

  • Substituted pyran derivatives having antiinfective activity
    Patent number: 5266593
    Abstract: Novel antibiotic substances, having the general formula ##STR1## wherein A, R.sub.1 and R.sub.2 are as defined herein.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: November 30, 1993
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Peter Ermann, Henner Straub, Uwe D. Treuner, Jakob-Matthias Drossard
  • Heteroaryl derivatives of monocyclic beta-lactam antibiotics
    Patent number: 5250691
    Abstract: Compounds having the formula ##STR1## exhibiting antibacterial activity.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: October 5, 1993
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Henner Straub, Jakob-Matthias Drossard
  • 2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines
    Patent number: 4801705
    Abstract: Antibacterial activity is exhibited by .beta.
    Type: Grant
    Filed: June 23, 1986
    Date of Patent: January 31, 1989
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Hermann Breuer, Jakob-Matthias Drossard, Peter H. Ermann, Henner Straub, Uwe D. Treuner
  • N-hydroxy protecting groups and process for the preparation of 3-acylamino-1-hydroxy-2-azetidinones
    Patent number: 4633017
    Abstract: Processes for preparing the useful intermediates having the formula ##STR1## are disclosed herein, utilizing novel chemical compounds having the formula ##STR2##
    Type: Grant
    Filed: October 24, 1985
    Date of Patent: December 30, 1986
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Richard H. Mueller, Jakob-Matthias Drossard, Peter H. Ermann
  • N-hydroxyl protecting groups and process and intermediates for the preparation of 3-acylamino-1-hydroxy-2-azetidinones
    Patent number: 4581170
    Abstract: Processes for preparing the useful intermediates having the formula ##STR1## are disclosed herein, utilizing novel chemical compounds having the formula ##STR2##
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: April 8, 1986
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Richard H. Mueller, Jakob-Matthias Drossard, Peter H. Ermann