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Patents
Patents Examined by B Rivera
Patents Examined by B Rivera
Polyester film roll
Patent number:
8191812
Abstract:
The polyester film roll, which is free from wrinkles and slacks generated with the passage of time and is having a good roll appearance, is provided without changing the characteristics of the film.
Type:
Grant
Filed:
April 27, 2004
Date of Patent:
June 5, 2012
Assignee:
Teijin Limited
Inventors:
Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Shinji Muro, Hirofumi Murooka