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. 14, 1997
Filed:
Sep. 17, 1993
Applicant:
Inventors:
Balreddy Kamireddy, Rockville, MD (US);
Michael J Darsley, Rockville, MD (US);
David M Simpson, Adelphi, MD (US);
Richard J Massey, Rockville, MD (US);
Assignee:
IGEN Incorporated, Gaithersburg, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
514 25 ; 514 53 ; 514 54 ; 536 171 ; 536 187 ; 536 52 ; 536 53 ; 536 553 ; 536117 ;
Abstract
A compound of the formula: ##STR1## wherein: each of R.sub.1, R.sub.1 ', R.sub.2 and R.sub.2 ' independent of each other is a substituted or unsubstituted, branched or linear C.sub.1-12 alkyl, alkene or alkyne group, R.sub.3 is OH, OCH.sub.3, CH.sub.2 COOH or ##STR2## wherein each of R.sub.2' and R.sub.2 '41 independent of each other is a substituted or unsubstituted, branched or linear C.sub.1-12 alkyl, alkene or alkyne group and: