Degradable extrusion resistant compositions and articles of manufacture
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United States of America Patent
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Mar 12, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jul 15, 2016
filing date -
Jul 15, 2016
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Abstract
A degradable polymer composite comprises a polyurethane comprising one or more of the following groups: ester groups; carbonate groups; or ether groups, in a backbone of the polyurethane; and about 1 to about 30 parts by weight of an acidic or basic powder comprising particles having an average size of about 5 microns to about 1 millimeter per 100 parts of the polyurethane.
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