US4229600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Norbornane and norbornene derivatives
Assignee: Takasago International Corp
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Filing: 1978-07-28
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Granted: 1980-10-21
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Expires: 1998-07-28
Abstract
Abstract A norbornane or norbornene derivative of the formula (I): ##STR1## wherein the bond represented by the dotted line is present or absent and n is 0 or 1, the norbornane and norbornene derivatives having a characteristic odor of sandalwood oil and useful for perfumery; and a process for the production thereof.
Inventors
- 👤 Toyohiko Kobayashi
- 👤 Haruki Tsuruta
- 👤 Toshio Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:50
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/62; C07C29/00; C07C29/132; C07C29/136; C07C29/143; C07C33/00; C07C33/05; C07C33/12; C07C45/67; C07C45/68; C07C45/69; C07C45/72; C07C45/74; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
A norbornane or norbornene compound of the formulae: ##STR7## wherein one methyl group is present at one of the 1', 4', 5' or 6' positions of the nucleus of said compound.
Claim 2
Dependent Claim
31 words
A norbornane or norbornene compound of the formulae: ##STR7## wherein one methyl group is present at one of the 1', 4', 5' or 6' positions of the nucleus of said compound.
Claim 3
Dependent Claim
12 words
The compound of claim 1 wherein said compound has the formula: ##STR8##
Claim 4
Dependent Claim
12 words
The compound of claim 1 wherein said compound has the formula: ##STR9##
References Cited (Backward Citations)
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US2373568A
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US3067244A
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US3942761A
Cited
US4128509A
Cited
US3914322A
Cited
US4076853A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-21 | 1984-04-21 | 1984-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-21 | 1988-04-21 | 1988-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-21 | 1992-04-21 | 1992-10-21 | $7700.00 | Window Closed / Lapsed |