Perfume compositions – Perfume compositions – Ring containing active ingredient
Reexamination Certificate
2008-04-08
2008-04-08
Dentz, Bernard (Department: 1625)
Perfume compositions
Perfume compositions
Ring containing active ingredient
C549S369000, C549S430000
Reexamination Certificate
active
10565510
ABSTRACT:
An acetal of formula I:is described in whichthe radicals R1to R6independently of one another are eac hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl,n=0 or 1, andthere is a single bond or double bond at the location of a broken line between two C atoms,any double bond present in the chain linking the aliphatic ring to the acetal group having the E or Z configuration,with the proviso thatthe number of double bonds incorporating a C atom of the aliphatic ring is 0 or 1, andthe number of double bonds not incorporating a C atom of the aliphatic ring is 0 or 1.
REFERENCES:
patent: 2819312 (1958-01-01), Isler et al.
patent: 4435315 (1984-03-01), Conrad et al.
patent: 5753609 (1998-05-01), Nakatsu et al.
patent: WO 00/04009 (2000-01-01), None
Bauer, Kurt; Garbe, Dorothea; Surburg, Horst; “Common Fragrance and Flavor Materials”; 2001; Wiley-VCH Verlag GmbH.
Dentz Bernard
Roylance Abrams Berdo & Goodman L.L.P.
Symrise GmbH & Co. KG
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