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:
Jul. 04, 1978
Filed:
May. 19, 1977
Applicant:
Inventors:
Ned M Weinshenker, Palo Alto, CA (US);
James A Dale, Redwood City, CA (US);
Assignee:
Dynapol, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C08G / ; A23D / ;
U.S. Cl.
CPC ...
568744 ; 260 / ; 252404 ;
Abstract
Polymeric hydroquinones of the structure ##STR1## WHEREIN N IS FROM 3 TO 10,000 INCLUSIVE AND R and R' independently are hydrogen or a lower alkyl, are disclosed, as is the preparation and the use of such materials, especially as nonabsorbable polymeric antioxidants for edible materials.