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US4218347A
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Bicyclic aldehyde perfuming and flavoring ingredients
Assignee: Firmenich SA
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Filing: 1978-09-08
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Granted: 1980-08-19
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Expires: 1998-09-08
Abstract
Abstract Bicyclic aldehyde derivatives of formula ##STR1## containing a single or a double bond in the position indicated by the dotted lines and wherein symbol R 1 represents a hydrogen atom or a methyl radical and R 2 defines a linear or branched alkyl radical containing 1 to 6 carbon atoms. Compounds (I) find specific utility as perfuming and flavoring agents. Process for the preparation of said compounds (I) starting from cyclopentadiene or a methyl substituted cyclopentadiene and an alkyl 4-oxo-butenoate.
Inventors
- 👤 Ferdinand Naf
- 👤 Rene Decorzant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:08
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
Process for improving, modifying or enhancing the organoleptic properties of perfumes and perfumed products, which process comprises the step of adding thereto an effective amount of at least one of the compounds of formula ##STR4## wherein there is a single or a double bond in the position indicated by the dotted lines and the symbol R 1 represents a hydrogen atom or a methyl radical and R 2 is a linear or branched alkyl radical containing 1 to 6 carbon atoms.
Claim 2
Dependent Claim
81 words
Process for improving, modifying or enhancing the organoleptic properties of perfumes and perfumed products, which process comprises the step of adding thereto an effective amount of at least one of the compounds of formula ##STR4## wherein there is a single or a double bond in the position indicated by the dotted lines and the symbol R 1 represents a hydrogen atom or a methyl radical and R 2 is a linear or branched alkyl radical containing 1 to 6 carbon atoms.
Claim 3
Dependent Claim
24 words
Perfuming composition containing as one of its active ingredient at least one of the compounds of the formula as set forth in claim 1.
Claim 4
Dependent Claim
28 words
A perfume or a perfumed product containg as one of its active ingredient at least one of the compounds of the formula as set forth in claim 1.
References Cited (Backward Citations)
US3852358A
Cited
US4064184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-19 | 1984-02-18 | 1984-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-19 | 1988-02-18 | 1988-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-19 | 1992-02-18 | 1992-08-19 | $7700.00 | Window Closed / Lapsed |