Fragrance precursor

Details Fragrance precursor Fragrance precursor

2007-03-29

2011-12-20

Davis, Brian J (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S504000, C510S524000, C424S070170

Reexamination Certificate

active

08080690

ABSTRACT:
The invention relates to a compound of the following formula (I) X—CR1R2R3wherein —R1is an organic moiety having 6 to 24 carbon atoms; —R2is H or an organic moiety having 6 to 24 carbon atoms; —R3is X or OH; —X is a moiety of the following formula (II): or an ammonium or C1-C4alkyl ammonium salt of the moiety of formula (II); wherein -x is 0 or 1; -y is 0 or 1; -z is 0 or 1; -m is a number from 2 to 10; -n is a number from 0 to 10; -o is a number from 0 to 10; —R4is H or a C1-C4alkyl group; —R5is a C6-C22alkyl or alkenyl group or, if n or o is at least 1, a C7-C23acyl group; —R6is H or R5; —R7is a C1-C4alkylene group. which is capable of delivering aldehyde-type or ketone-type fragrance compounds, providing a long-lasting release of said fragrance compounds. This compound can be incorporated into fiber conditioning compositions, such as hair conditioners and fabric softeners, to enhance the fragrance performance. The compound provides controlled release from the substrate where it has been deposited over an extended period of time.

REFERENCES:
patent: 6277796 (2001-08-01), Sivik et al.
patent: 2004/0102357 (2004-05-01), Smith et al.
patent: WO 98/06803 (1998-02-01), None
patent: WO 2004/047788 (2004-06-01), None

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