POLYESTERS, POLYURETHANES AND PROCESS FOR THEIR PRODUCTION
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United States of America Patent
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Issued Date -
Jul 7, 2011
app pub date -
Sep 9, 2009
filing date -
Sep 12, 2008
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Abandoned
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Abstract
The invention provides biodegradable polyesters, polyurethanes, comprising 3-carboxymuconolactone as a structural unit, 3-carboxymuconolactone esters and a process for their production.Polyesters comprising a repeating unit represented by the following formula (I):polyurethanes comprising the polyester structure; 3-carboxymuconolactone esters; and a process for their production.
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