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US3709929A
Expired / Lapsed
US
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4-methyl-2-pentanol crotonate
Assignee: Haarmann and Reimer GmbH
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Filing: 1970-09-21
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Granted: 1973-01-09
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Expires: 1990-09-21
Abstract
Abstract SUBJECTED OF THE INVENTION IS 4-METHYL-2-PENTANOL CROTONATE, A PROCESS FOR ITS PRODUCTION WHEREBY 4-METHYL-2PENTANOL IS ESTERIFIED WITH CROTONIC ACID AND THE USE OF THE CROTONATE FOR PERFUME COMPOSITIONS AND AS AN ODORANT.
Inventors
- 👤 F Exner
- 👤 T Leidig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:43
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/50; C11B; C11B9/00; C11B9/0007; C11B9/0015; C11B9/0019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |