US Patent 7714094 Simplified isophthalic acid process for modifying PET
Patent 7714094 was granted and assigned to Eastman Chemical Company on May, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Disclosed are modified PET polymer compositions and process for making modified PET polymer compositions by reacting purified terephthalic acid and non-hydrogenated isophthalic acid with ethylene glycol. Compositions with acceptable visual appearance, such as clarity and color, can be made at typical modification levels for many packaging application. Disclosed are also shaped articles and the process for making shaped articles of the modified PET polymer composition.
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Patent Inventor Names
Brent Alan Tennant0
Ronald Buford Sheppard0
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US Patent 07714094 Simplified isophthalic acid process for modifying PET US Patent 7714094 Simplified isophthalic acid process for modifying PET
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Patent Number
07714094
Patent Number
7714094
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US Patent 07714094 Simplified isophthalic acid process for modifying PET
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Is a
Current assignee
Patent jurisdiction
Patent number
07714094
Date of patent
May 11, 2010
Patent application number
11940578
Date Filed
November 15, 2007
Patent primary examiner
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