Method for identifying the source of carbon in 1,3-propanediol
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United States of America Patent
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Aug 6, 2002
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N/A
app pub date -
Aug 6, 1999
filing date -
May 12, 1995
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Abstract
A new polypropylene terephthalate composition is provided. The polypropylene terephthalate is comprised of 1,3-propanediol and terephthalate. The 1,3-propanediol is produced by the bioconversion of a fermentatble carbon source, preferable glucose. The resulting polypropylene terephthalate is distinguished from petrochemically produced polymer on the basis of dual carbon-isotopic fingerprinting which indicates both the source and the age of the carbon.
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