Patent US2585703A successfully refreshed from Google Patents.
Patent US4526969A successfully refreshed from Google Patents.
US4526969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trifluoromethyl substituted perfluoro quinolizines
Assignee: Tanabe Pharma Corp
•
Filing: 1982-12-28
•
Granted: 1985-07-02
•
Expires: 2002-12-28
Abstract
Abstract A perfluorobicyclo compound of the general formula: <IMAGE> wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group(s) and m and n each represent 3 or 4.
Inventors
- 👤 Kazumasa Yokoyama
- 👤 Chikara Fukaya
- 👤 Yoshio Tsuda
- 👤 Taizo Ono
- 👤 Yoshio Arakawa
- 👤 Tadakazu Suyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0026; A61P; A61P7/00; A61P7/08; C; C07; C07D; C07D455/00; C07D455/02; C07D471/00; C07D471/02; C07D471/04; C07D487/00; C07D487/02; C07D487/04; C25; C25B; C25B3/00; C25B3/01; C25B3/05; C25B3/09; C25B3/11; C25B3/20; C25B3/27; C25B3/28
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
50 words
A perfluorobicyclo compound of the general formula: ##STR88## wherein either or both of Ring A and Ring B may optionally be substituted with perfluoroalkyl group(s) having from 1 to 3 carbom atoms, and the total number of carbon atoms in the compound of the above formula is 10 to 12.
Claim 2
Dependent Claim
50 words
A perfluorobicyclo compound of the general formula: ##STR88## wherein either or both of Ring A and Ring B may optionally be substituted with perfluoroalkyl group(s) having from 1 to 3 carbom atoms, and the total number of carbon atoms in the compound of the above formula is 10 to 12.
Claim 3
Dependent Claim
9 words
A compound according to claim 1 which is perfluoro-4-methyloctahydroquinolizine.
Claim 4
Dependent Claim
9 words
A compoundd according to claim 1 which is perfluoro-2-methyloctahydroquinolizine.
Claim 5
Dependent Claim
9 words
A compound according to claim 1 which is perfluoro-1-methyloctahydroquinolizine.
Claim 6
Dependent Claim
9 words
A compound according to claim 1 which is perfluoro-9a-methyloctahydroquinolizine.
Claim 7
Dependent Claim
9 words
A compound according to claim 1 which is perfluoro-4-ethyloctahydroquinolizine.
Claim 8
Dependent Claim
12 words
A compound according to claim 1 having 10 to 11 carbon atoms.
Claim 9
Dependent Claim
11 words
A compound according to claim 1 substantially free from other isomers.
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) | 1988-07-01 | 1988-12-31 | 1989-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-01 | 1992-12-31 | 1993-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-01 | 1996-12-31 | 1997-07-02 | $7700.00 | Window Closed / Lapsed |