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:
Nov. 22, 1977
Filed:
Feb. 10, 1976
Applicant:
Inventors:
Saran A Narang, Ottawa, CA;
Jacek Stawinski, Ottawa, CA;
Assignee:
Canadian Patents and Development Limited, Ottawa, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
Arylsulfonyl tetrazoles of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are selected from hydrogen, lower alkyl and lower alkoxy groups, and their preparation are described. These compounds have been found to be advantageous condensing or coupling agents via phosphoester formation in polynucleotide synthesis.