Perfume compositions – Perfume compositions – Oxygen containing active ingredient
Reexamination Certificate
2010-02-18
2010-11-23
Witherspoon, Sikarl A (Department: 1621)
Perfume compositions
Perfume compositions
Oxygen containing active ingredient
C512S027000, C568S376000, C568S821000
Reexamination Certificate
active
07838488
ABSTRACT:
The present invention a method of improving, enhancing or modifying a fragrance formulation through the addition of an olfactory acceptable amount of a compound of formula:wherein R is absent, hydrogen or methyl;R1, R2, and R3 are independently hydrogen or methyl; andthe broken lines represent independently single or double bonds, with the proviso that when R1, R2, and R3 are hydrogen, R is methyl.
REFERENCES:
patent: 7691803 (2010-04-01), Geng et al.
Koval'skaya et al. Russian Journal of Organic Chemistry (1998), 34 (10), 1449-1454. HCAPLUS abstract, Accession No. 1999:398885; Document No. 131:214435.
Bailey et al. Highly Stereoselective Tandem Cyclizations of 5-Hexenyllithiums: Preparation of Endo-2-Substituted Bicyclo [2.2.1] heptanes and 3-Substituted trans-Bicyclo[3.3.0] octanes. Journal of the American Chemical Society, 1992, vol. 114, No. 21, pp. 8053-8060.
Boden Richard M.
Geng Feng
International Flavors & Fragrances Inc.
Leightner Joseph F.
Quirk Elizabeth M.
Tseng XuFan
Witherspoon Sikarl A
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