Patent US3917598A successfully refreshed from Google Patents.
US3917598A
Expired / Lapsed
US
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N-(ortho-alkoxy-phenyl)-N{40 -anilino-propyl-piperazines
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1974-02-05
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Granted: 1975-11-04
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Expires: 1994-02-05
Abstract
Abstract An N-( omega -amino)alkylaniline derivative of the formula: AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS, WHICH ARE USEFUL AS NEUROLEPTIC AGENTS ARE PREPARED BY REACTING A COMPOUND OF THE FORMULA: WITH A COMPOUND OF THE FORMULA:
Inventors
- 👤 Isamu Maruyama
- 👤 Masaru Nakao
- 👤 Kikuo Sasajima
- 👤 Shigeho Inaba
- 👤 Hisao Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:37
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/52
Claims Analysis
Total Claims: 11
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
5 words
A compound of the formula:
Claim 4
Dependent Claim
5 words
A compound of the formula:
Claim 5
Dependent Claim
14 words
The compound according to claim 2 wherein R1 is fluorine and R2 is methoxy.
Claim 6
Dependent Claim
14 words
The compound according to claim 2, wherein R1 is fluorine and R2 is ethoxy.
Claim 7
Dependent Claim
14 words
The compound according to claim 2, wherein R1 is fluorine and R2 is n-propoxy.
Claim 8
Dependent Claim
14 words
The compound according to claim 2, wherein R1 is fluorine and R2 is isopropoxy.
Claim 9
Dependent Claim
14 words
The compound according to claim 2, wherein R1 is methyl and R2 is methoxy.
Claim 10
Dependent Claim
14 words
The compound according to claim 2, wherein R1 is methoxy and R2 is methoxy.
Claim 11
Dependent Claim
14 words
The compound according to claim 2, wherein R1 is chlorine and R2 is ethoxy.
References Cited (Backward Citations)
US2679481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |