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Generated November 23, 2017

Biaxially oriented polyethylene terephthalate film and method for producing same

Patent Number: 9,212,268

Patent Information

Abstract
This film provides a polyethylene terephthalate film whereby dimensional variation in various steps can be reduced, particularly when the film is used as a substrate film for a flexible device, and that is suitable as a substrate film having minimal curl and excellent appropriateness for processing. This biaxially oriented polyethylene terephthalate film has a degree of crystallinity (Xc) of 0.35 to 0.50, the intrinsic viscosity (IV) of the resin constituting the film is 0.66-1.0 dl/g, the coefficient of thermal expansion at a temperature of 50-170° C. in each of the machine direction and transverse direction of the film is 0.29 ppm/° C., and the degree of thermal shrinkage at 180° C. in each of the machine direction and transverse direction of the film is 0.5%-1.0%.
Patent Number: 9,212,268
Issue Date: 2015-12-15

Biographical Information

Inventor

Executive Summary

Summary

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PatentStat Scores in Macromolecular chemistry, polymers
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Patent Grant Time

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Patent grant time can be influenced by many factors. Activities within the USPTO that are beyond the control of patent attornies can influence grant time, but short grant times can also indicate well-written patents and dedicated efforts to respond rapidly to USPTO office actions with strong arguments. Shorter grant times are preferable, and the scores for this section are inverse measures — higher scores are better.

Patent Claims

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Citations From Other Patents

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Citations to Other Patents

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Research and Innovation Indicators
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Proximity to Basic Research

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Proximity to Basic Research

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