Quantification method of impurities in lactide
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United States of America Patent
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app pub date -
Dec 8, 2014
filing date -
Dec 10, 2013
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Abstract
A method for quantification of the amount of impurities in lactide. The method is characterized in that the quantification of the impurities is based on measurements performed on absorptions in the near Infra-Red region of the electromagnetic spectrum. With this method, small amounts of impurities like water, free-acid species or both can be determined online in a reaction mixture of lactide in a relatively simple manner. This allows a simple online monitoring of the production process of lactide.
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International Classification(s)
- 2014 Application Filing Year
- C07D Class
- 5203 Applications Filed
- 4627 Patents Issued To-Date
- 88.93 % Issued To-Date
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- C07D Class
- 0 % this patent is cited more than
- 5 Age
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