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:
Aug. 23, 1977
Filed:
Apr. 28, 1976
Applicant:
Inventors:
Joseph Kiss, Arlesheim, CH;
Klaus Peter Berg, Grenzach-Wylen, DT;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
252407 ; 2603437 ; 2603 / ; 260483 ; 2605 / ; 2603478 ;
Abstract
The halogen derivatives of ascorbic acid and D-araboascorbic acid useful as antioxidants as well as a method for stabilizing oxidation-sensitive organic materials by incorporating said derivatives in oxidation sensitive materials.