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:
Jan. 16, 1979
Filed:
Nov. 11, 1977
Applicant:
Inventors:
Frank R Atherton, Welwyn Garden City, GB;
Michael J Hall, Welwyn, GB;
Cedric H Hassall, Welwyn, GB;
Peter S Ringrose, Royston, GB;
Robert W Lambert, Welwyn, GB;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424177 ; 424246 ; 424271 ;
Abstract
Compositions having antibiotic properties containing as antibiotic potentiators peptides of the formula ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl, lower cycloalkyl, (lower cycloalkyl)-(lower alkyl), aryl or aryl(lower alkyl) group (said group being optionally substituted as the case may require by one or more amino, hydroxy, thio, methylthio, carboxy or guanidino groups so as to form the characterizing group of a naturally occurring L .alpha.-amino acid);