Patent US4382955A successfully refreshed from Google Patents.
US4382955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivative of 4-(N-(3,4-dihydroxybenzylidene) aminomethyl cyclohexane-1-carboxylic acid
Assignee: Kureha Corp
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Filing: 1981-05-26
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Granted: 1983-05-10
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Expires: 2001-05-26
Abstract
Abstract A novel compound of 4-[N-(3',4'-dihydroxybenzylidene) aminomethyl]cyclohexane-1-carboxylic acid or a salt or an ester thereof which has specific pharmacologic activities, a method for preparing thereof and a pharmaceutical composition comprising thereof as an active ingredient are provided.
Inventors
- 👤 Hitoshi Takita
- 👤 Yutaka Mukaida
- 👤 Sakuo Noda
- 👤 Hidetoshi Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:29
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
12 words
A compound of 4-[N-(3',4'-dihydroxybenzylidene)aminomethyl]cyclohexane-1-carboxylic acid or a salt or an ester thereof.
Claim 2
Dependent Claim
12 words
A compound of 4-[N-(3',4'-dihydroxybenzylidene)aminomethyl]cyclohexane-1-carboxylic acid or a salt or an ester thereof.
Claim 3
Dependent Claim
9 words
The compound of claim 1, which is trans-4-[N-(3',4'-dihydroxybenzylidene)aminomethyl]cyclohexane-1-carboxylic acid.
Claim 4
Dependent Claim
9 words
The compound of claim 1, which is sodium trans-4-[N'-(3',4'-dihydroxybenzylidene)aminomethyl]cyclohexane-1-carboxylate.
Claim 5
Dependent Claim
9 words
The compound of claim 1, which is ethyl trans-4-[N-(3',4'-dihydroxybenzylidene)aminomethyl]cyclohexane-1-carboxylate.
Claim 6
Dependent Claim
9 words
The compound of claim 1, which is cis-4-[N-(3',4'-dihydroxybenzylidene)aminomethyl]cyclohexane-1-carboxylic acid.
Claim 7
Dependent Claim
43 words
A pharmaceutical composition in dosage unit form, having an inhibitory function on platelet aggregation and polynuclear leukocyte migration, comprising an effective amount of 4-N-(3',4'-dihydroxybenzylidene)aminomethyl cyclohexane-1-carboxylic acid or esters thereof or a pharmaceutical acceptable salt thereof, and a pharmaceutical carrier or a diluent therefor.
Claim 8
Dependent Claim
43 words
A pharmaceutical composition in dosage unit form, having an inhibitory function on platelet aggregation and polynuclear leukocyte migration, comprising an effective amount of 4-N-(3',4'-dihydroxybenzylidene)aminomethyl cyclohexane-1-carboxylic acid or esters thereof or a pharmaceutical acceptable salt thereof, and a pharmaceutical carrier or a diluent therefor.
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) | 1986-05-09 | 1986-11-08 | 1987-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-09 | 1990-11-08 | 1991-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-09 | 1994-11-08 | 1995-05-10 | $7700.00 | Window Closed / Lapsed |