Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuki Hayashi0
Changming Zhao0
Hiroki Okazaki0
Minoru Iwata0
Shigeki Hamamoto0
Shinya Okazaki0
Tomoaki Yamasaki0
Date of Patent
February 23, 2016
Patent Application Number
14004855
Date Filed
December 5, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention aims to provide a polyrotaxane composition having excellent storage stability. The present invention relates to a polyrotaxane composition comprising: a polyrotaxane containing a cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant.
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