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. 06, 2004
Filed:
Jul. 17, 2002
Applicant:
Inventors:
Tseng-Rong Wu, Tao-Yuan, TW;
Pin-Yang Yu, Tao-Yuan, TW;
Yi-Chin Lin, Tao-Yuan, TW;
Te-Chuan Chang, Tao-Yuan, TW;
Assignee:
Chung-Shan Institute of Science & Technology, Tao-Guan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/52 ;
U.S. Cl.
CPC ...
C08K 5/52 ;
Abstract
A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl diphosphite.