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:
Jan. 12, 1988
Filed:
Apr. 04, 1986
Applicant:
Inventors:
Tamaki Ishii, Suita, JP;
Shinichi Yachigo, Toyonaka, JP;
Manji Sasaki, Ibaraki, JP;
Haruki Okamura, Osaka, JP;
Masahisa Shionoya, Izumi, JP;
Assignee:
Sumitomo Chemical Company, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524108 ;
Abstract
Polyolefin resins are thermally stabilized and are also stabilized against yellowing from nitrogen oxide gases by incorporating 3,9-bis[2- 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy -1,1-dimethylethyl]-2,4,8,10-tetraoxaspiro[5.5]undecane.
Ishii, Tamaki. (1988). Polyolefin resin composition (U.S. Patent No. 4719257). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4719257
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile