Foaming compositions
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United States of America Patent
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app pub date -
Mar 3, 2004
filing date -
Aug 19, 1998
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Abandoned
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Abstract
Use as foaming agents having a low environmental impact of azeotropic or near azeotropic compositions using difluoromethoxy-bis(difluoromethyl ether) and/or 1-difluroromethoxy-1,1,2,2-tetrafluoroethyl difluoromethyl ether.
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