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. 31, 2012
Filed:
Dec. 19, 2007
Yukinobu Mukoyama, Ohtsu, JP;
Shota Hayakawa, Ohtsu, JP;
Naonobu Oda, Ohtsu, JP;
Masayuki Haruta, Inuyama, JP;
Katsuhiko Nose, Osaka, JP;
Yukinobu Mukoyama, Ohtsu, JP;
Shota Hayakawa, Ohtsu, JP;
Naonobu Oda, Ohtsu, JP;
Masayuki Haruta, Inuyama, JP;
Katsuhiko Nose, Osaka, JP;
Toyo Boseki Kabushiki Kaisha, Osaka-shi, JP;
Abstract
The inventive heat-shrinkable polystyrene film is high in shrinkability in the longitudinal direction that is its main shrinkage direction, is excellent in perforated line openability, and has high toughness. The heat-shrinkable polystyrene film is characterized by particular values with respect to hot-water heat shrinkage ratio in the longitudinal and width directions, right angle tear strength in the width direction, and breaking energies in the longitudinal and width directions.