US4069254A
Expired / Lapsed
US
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ω-(Arylsulfonamido)-alkylamine
Assignee: MSD KK
•
Filing: 1975-10-07
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Granted: 1978-01-17
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Expires: 1995-10-07
Abstract
Abstract omega -(Arylsulfonamido)-alkylamines having the formula R'-SO2NH(CH2)nR I wherein R represents an amino group which can be acylated; R' represents phenyl or naphthyl which can be substituted by halogen or lower alkyl; and n represents an integer from 5 - 8 are effective in inhibiting blood platelet aggregation.
Inventors
- 👤 Hiroyoshi Hidaka
- 👤 Ikuo Matsumoto
- 👤 Masaaki Hosoi
- 👤 Nobuo Aoki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:11
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; A; A61; A61P; A61P7/00; A61P7/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
22 words
A ω-(arylsulfonamido)alkylamine having the formula , R'-SO.sub.2 NH(CH.sub.2).sub.n NH.sub.2 wherein R' is halonaphthyl; and n is an integer of 5 - 8.
Claim 2
Dependent Claim
22 words
A ω-(arylsulfonamido)alkylamine having the formula , R'-SO.sub.2 NH(CH.sub.2).sub.n NH.sub.2 wherein R' is halonaphthyl; and n is an integer of 5 - 8.
Claim 3
Dependent Claim
9 words
The compound of claim 1 wherein R' is 5-halo-1-naphthyl.
Claim 4
Dependent Claim
9 words
The compound of claim 1 wherein R' is 5-halo-2-naphthyl.
Claim 5
Dependent Claim
13 words
The compound of claim 2 wherein halo is Br and n is 6.
Claim 6
Dependent Claim
13 words
The compound of claim 2 wherein halo is Cl and n is 6.
Claim 7
Dependent Claim
13 words
The compound of claim 2 wherein halo is Br and n is 5.
Claim 8
Dependent Claim
13 words
The compound of claim 2 wherein halo is Cl and n is 5.
Claim 9
Dependent Claim
13 words
The compound of claim 3 wherein halo is Br and n is 6.
Claim 10
Dependent Claim
13 words
The compound of claim 3 wherein halo is Cl and n is 6.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-01-16 | 1981-07-18 | 1982-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-16 | 1985-07-18 | 1986-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-16 | 1989-07-18 | 1990-01-17 | $7700.00 | Window Closed / Lapsed |