Patent US3925486A successfully refreshed from Google Patents.
US3925486A
Expired / Lapsed
US
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Polycyclic alcohols
Assignee: F Hoffmann La Roche AG
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Filing: 1972-11-07
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Granted: 1975-12-09
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Expires: 1992-11-07
Abstract
Abstract Tricyclo(5,4,0,03,9)undec-2-ols, tricyclo(5,3,1,03,8)undec-2ols, 2H-1-benzopyrans and benzofurans which are useful in the perfumery art and a process for their preparation from tricyclo(5,4,0,03,9)undec-2-ones and tricyclo(5,4,0,03,8)undec-2ones.
Inventors
- 👤 Hans Greuter
- 👤 Georg Frater
- 👤 Hans Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:15
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/613; C07C49/617; C07C49/643; C07C41/00; C07C41/01; C07C41/16; C11; C11B; C11B9/00; C11B9/0042; C11B9/0069; C11B9/0073; C07C2603/00; C07C2603/56; C07C2603/58; C07C2603/60; C07C2603/66; C07C2603/68
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
19 words
The compound of claim 1 wherein R2, R5 and R6 are lower alkyl and R9 is hydrogen, or methyl.
Claim 4
Dependent Claim
10 words
The compound of claim 2 wherein said compound is 1,3,6-trimethyl-tricyclo(5,3,1,03,8)undeca-5,9-dien-2-ol.
Claim 5
Dependent Claim
10 words
The compound of claim 2 wherein said compound is 1,3,6-trimethyl-tricyclo(5,3,1,03,8)undecan-2-ol.
Claim 6
Dependent Claim
10 words
The compound of claim 2 wherein said compound is 1,2,3,6-tetramethyl-tricyclo(5,3,1,03,8)undeca-5,9-dien-2-ol.
Claim 7
Dependent Claim
10 words
The compound of claim 2 wherein said compound is 1,2,3,6-tetramethyl-tricyclo(5,3,1,03,8)undecan-2-ol.
Claim 8
Dependent Claim
13 words
The compound of claim 2 wherein R1, R5 and R6 are lower alkyl.
Claim 9
Dependent Claim
10 words
The compound of claim 7 wherein said compound is 1,3,9-trimethyl-tricyclo(5,3,1,03,8)undeca-5,9-dien-2-ol.
Claim 10
Dependent Claim
10 words
The compound of claim 7 wherein said compound is 1,3,9-trimethyl-tricyclo(5,3,1,03,8)undecan-2-ol.
Claim 11
Dependent Claim
10 words
The compound of claim 7 wherein said compound is 1,2,3,9-tetramethyl-tricyclo(5,3,1,03,8)undeca-5,9-dien-2-ol.
Claim 12
Dependent Claim
10 words
The compound of claim 7 wherein said compound is 1,2,3,9-tetramethyl-tricyclo(5,3,1,03,8)undecan-2-ol.
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) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |