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. 15, 2014
Filed:
Sep. 01, 2010
Naoshi Kawamoto, Saitama, JP;
Tsuyoshi Urushihara, Saitama, JP;
Kohei Okamoto, Saitama, JP;
Tetsuya Seguchi, Saitama, JP;
Naoshi Kawamoto, Saitama, JP;
Tsuyoshi Urushihara, Saitama, JP;
Kohei Okamoto, Saitama, JP;
Tetsuya Seguchi, Saitama, JP;
Adeka Corporation, Tokyo, JP;
Abstract
Provided are a recycling method for industrially, simply and effectively recycling a phenolic body from a phenolic antioxidant which is masked by an organoaluminum compound and contained in an olefin polymer obtained by supplying the masked phenolic antioxidant upon polymerization; and an olefin polymer obtained by this method. In a method for recycling a phenolic antioxidant wherein a phenolic antioxidant which is masked by an organoaluminum compound and contained in an olefin polymer obtained by supplying the masked phenolic antioxidant upon polymerization is recycled to a phenolic body, a nitrogen gas comprising water and/or a proton donor at a volume ratio of 1.0×10to 2.5×10with respect to 1 volume of nitrogen is brought into contact with the olefin polymer.