Aromatic composition and method for controlling aroma
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United States of America Patent
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Jan 17, 1995
Issued Date -
N/A
app pub date -
Apr 27, 1993
filing date -
Feb 8, 1991
priority date (Note) -
Expired
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Abstract
Aromatic compositions which comprise perfumes included in cyclodextrins whose inclusion ability depends on a pH of a solution containing the perfumes and cyclodextrins and pH-adjusting substances whereby a release rate of the perfume can be controlled, are described. Aromatic compositions are also disclosed, which comprise perfumes coated or covered with materials whose solubility depends on the pH of a solution containing the coated perfumes, and a pH-adjusting substance to change the pH as desired. Methods for controlling the release rate of the perfumes are also described.
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