Cleaning compositions for solid surfaces – auxiliary compositions – With oxygen – halogen – sulfur – or nitrogen containing or... – Ring in the component
Reexamination Certificate
2007-12-19
2009-06-16
Hardee, John R (Department: 1796)
Cleaning compositions for solid surfaces, auxiliary compositions
With oxygen, halogen, sulfur, or nitrogen containing or...
Ring in the component
C512S009000, C549S331000, C549S341000
Reexamination Certificate
active
07547668
ABSTRACT:
The present invention a method of improving, enhancing or modifying a fragrance formulation through the addition of an olfactory acceptable amount of the following compound:wherein m is 1 or 2;and if m is 1, which provides a five-membered dioxaspiro ring, n is an integer from 2 to 4, and the methyl group in the dioxaspiro ring is independently located in the 2 and/or 3 positions of the dioxaspiro ring;or if m is 2, which provides a six-membered dioxaspiro ring, n is an integer from 0 to 6, and the methyl group in the dioxaspiro ring is independently located in the 2, 3, and/or 4 positions of the dioxaspiro ring.
REFERENCES:
patent: 2533048 (1977-02-01), None
Meier, L. et al. “A New Synthesis of 4,5-Unsubstituted 1,3-Dioxoles” Synthesis (1987) 5: 517-520.
Dann, A.E. et al. “Rapid and Convenient Technique for Converting Ketones into Their Ethylenedioxy-Derivatives or Trimethylenedioxy-Derivatives, and for Making Acetonides” Journal of the Chemical Society-Perkin Transactions 1: Organic and Bio-organic Chemistry (1979) 1: 158-160.
Levorse Anthony T.
Weiss Richard A.
Hardee John R
International Flavors & Fragrances Inc.
Leightner Joseph F.
Quirk Elizabeth M.
Tseng XuFan
LandOfFree
Dioxaspiro compounds and their use in perfume compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dioxaspiro compounds and their use in perfume compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dioxaspiro compounds and their use in perfume compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4090643