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:
May. 24, 1977
Filed:
Feb. 13, 1976
Applicant:
Inventors:
Guy A Crosby, Palo Alto, CA (US);
Grant E DuBois, Palo Alto, CA (US);
Ned M Weinshenker, Palo Alto, CA (US);
Assignee:
Dynapol Corporation, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603452 ; 426548 ; 2603 / ; 2604 / ; 2604299 ; 2604381 ; 2604 / ; 2604 / ; 260511 ; 2605 / ; 2606 / ;
Abstract
Flavanones represented by the formula ##STR1## wherein R is a lower alkyl of from one to three carbon atoms inclusive, n is an integer of from one to three inclusive and M is hydrogen or a physiologically acceptable metal cation, are disclosed. These materials are themselves useful as dietetic sweeteners as well as being direct intermediates for the preparation of useful dihydrochalcone sweeteners.