The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 08, 1985
Filed:
Jun. 13, 1983
Applicant:
Inventors:
Sheldon B Zimmerman, Springfield, NJ (US);
Kenneth E Wilson, Westfield, NJ (US);
Richard L Monaghan, Somerset, NJ (US);
Sagrario M Del Val, Madrid, ES;
Maria I Fernandez, Madrid, ES;
Otto D Hensens, Red Bank, NJ (US);
James E Flor, Bridgewater, NJ (US);
Cheryl Deriso, Avenel, NJ (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07F / ;
U.S. Cl.
CPC ...
514100 ; 435 53 ; 549-5 ;
Abstract
Difficidin and derivative antibacterial compounds of the formula: ##STR1## where R.sub.a and R.sub.b are members independently selected from the group consisting of hydrogen; alkali metal and alkaline earth metal cations; ammonium; and substituted ammonium; and R.sup.1 is hydrogen or hydroxy.