Compositions and methods for controlled release of fragrance-bearing substances
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United States of America Patent
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Jun 27, 1989
Grant Date -
N/A
app pub date -
Mar 23, 1988
filing date -
Mar 23, 1988
priority date (Note) -
Expired
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Abstract
Laundering compositions containing particulate olfactory polymers which provide for the controlled release of olfactory compositions such as perfumes, the particulate olfactory polymers comprising a water-soluble normally solid polymer, a water-insoluble normally solid polymer, and at least one olfactory composition which is in each polymer, one polymer being in the form of discrete entitles in a matrix of the other polymer, together with laundering articles such as packets containing such compositions; methods for laundering using such compositions; the particulate olfactory polymers; and methods for preparing the particulate olfactory polymers.
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