US3865934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of enhancing memory and learning
Assignee: Abbott Laboratories
•
Filing: 1973-04-02
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Granted: 1975-02-11
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Expires: 1993-04-02
Abstract
Abstract A method for enhancing learning and memory retention comprising administering a small dose of the tripeptide pyro-L-glutamyl-Lhistidyl-L-prolinamide to a warm-blooded animal.
Inventors
- 👤 Nicholas Peter Plotnikoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:16
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/04; A61K38/06; A61K38/066
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
32 words
THE METHOD OF ENHANCING ACQUISITION RATE OR RETENTION LEVEL IMPAIRMENT IN A WARM-BLOODED ANIMAL COMPRISING ADMINISTERING TO AN ANIMAL HAVING AN IMPAIRED RATE OF LEARING OR RETENTION AN EFFECTIVE DOSE OF L-PYROGLUTAMYL-L-HISTIDYL-LPROLINAMIDE.
Claim 2
Independent Claim
32 words
THE METHOD OF ENHANCING ACQUISITION RATE OR RETENTION LEVEL IMPAIRMENT IN A WARM-BLOODED ANIMAL COMPRISING ADMINISTERING TO AN ANIMAL HAVING AN IMPAIRED RATE OF LEARING OR RETENTION AN EFFECTIVE DOSE OF L-PYROGLUTAMYL-L-HISTIDYL-LPROLINAMIDE.
Claim 3
Dependent Claim
11 words
The method of claim 1 wherein said dose is administered orally.
Claim 4
Dependent Claim
19 words
The method of claim 2 wherein said dose is given in an amount of between 0.1 and 20 mg./kg.
Claim 5
Dependent Claim
20 words
The method of claim 1 wherein said dose is given parenterally in an amount of between 0.005 and 10 mg./kg.
Claim 6
Dependent Claim
14 words
The method of claim 1 wherein said dose is administered in unit dosage form.
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) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |