US4031140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4- AND 5-Phenyl pentenal acetals
Assignee: International Flavors and Fragrances Inc
•
Filing: 1976-04-12
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Granted: 1977-06-21
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Expires: 1996-04-12
Abstract
Abstract 4- and 5-Phenyl pentenal acetals having the structure: ##STR1## wherein one of X and Y is phenyl and the other of X and Y is hydrogen and A is the moiety: ##STR2## WHEREIN R b and R b ' are separately the same or different lower alkyl or R b and R b' taken together form a lower alkylene group. The compounds are used to impart flavors and fragrances to consumable materials.
Inventors
- 👤 William Lewis Schreiber
- 👤 Gerard Joseph Mosciano
- 👤 Alan O. Pittet
- 👤 Manfred Vock
- 👤 Edward Joseph Shuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:30
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/51; C07C45/516; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C11; C11B; C11B9/00; C11B9/0061; C11B9/0069; C11B9/0073
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
28 words
A compound having the structure: ##STR25## wherein A is the moiety: ##STR26## and wherein R b and R.sub. b ' separately are the same or different lower alkyl.
Claim 2
Dependent Claim
28 words
A compound having the structure: ##STR25## wherein A is the moiety: ##STR26## and wherein R b and R.sub. b ' separately are the same or different lower alkyl.
Claim 3
Dependent Claim
15 words
The compound of claim 1 wherein R b and R.sub. b ' are each ethyl.
Claim 4
Dependent Claim
6 words
A compound having the structure: ##STR27##
Claim 5
Dependent Claim
6 words
A compound having the structure: ##STR27##
References Cited (Backward Citations)
US3829504A
Cited
US3879425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-20 | 1980-12-20 | 1981-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-20 | 1984-12-20 | 1985-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-20 | 1988-12-20 | 1989-06-21 | $7700.00 | Window Closed / Lapsed |