US3728450A
Expired / Lapsed
US
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Inosine derivatives
Assignee: Newport Pharmaceuticals International Inc
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Filing: 1971-05-21
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Granted: 1973-04-17
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Expires: 1991-05-21
Abstract
Abstract Complexes are formed in inosine and amino-alcohols of the formula WHERE R1 and R2 are lower alkyl and n is an integer of 2 to 4. The complexes having pharmacological activity including the ability to restore deteriorated learning and memory behavior. The preferred aminoalcohol is dimethylamino isopropanol. The preferred ratio of inosine to aminoalcohol is 1:3.
Inventors
- 👤 P Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:27
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16; A; A61; A61K; A61K31/00; A61K31/70
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
42 words
A method of combatting influenza or herpes virus comprising administering to a mammal infected with such virus an effective amount to suppress morbidity and death due to influenza or herpes virus of a mixture of inosine and a dialkylaminoalkanol having the formula
Claim 2
Independent Claim
43 words
A method of administering a pharmaceutical to a patient infected with influenza or herpes virus to combat said virus comprising administering separately but substantially simultaneously (1) inosine and (2) a dialkylaminoalkanol, the mole ratio of inosine to aminoalkanol being from 1:1 to 1:10.
Claim 3
Dependent Claim
16 words
A method according to claim 1 wherein R1 and R2 are methyl and n is 2.
Claim 4
Dependent Claim
16 words
A method according to claim 1, wherein R1 and R2 are methyl and n is 2.
Claim 5
Dependent Claim
12 words
A method according to claim 1, wherein the dialkylaminoalkanol has the formula
Claim 6
Dependent Claim
16 words
A method according to claim 6, wherein R1 and R2 are methyl and n is 2.
Claim 7
Dependent Claim
13 words
A method according to claim 1 wherein the virus combatted is influenza virus.
Claim 8
Dependent Claim
13 words
A method according to claim 1 wherein the virus combatted is herpes virus.
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |