Patent US2807566A successfully refreshed from Google Patents.
US2807566A
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Method of potentiating drugs affecting the central nervous system and compositions therefor
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1953-10-30
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Granted: 1957-09-24
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Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Fellows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:00
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/513; A61K31/515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A MEDICINAL PREPARATION COMPRISING A CENTRALLY ACTING DRUG SELECTED FROM THE GROUP CONSISTING OF BARBITURATES, 2-MONOBROMISOVALERYLUREA, ALLYLISOPROPYLACETYLCARBAMIDE AND BROMDIETHYLACETYLUREA AND A COMPONENT TO SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE CENTRALLY ACTING DRUG, SAID COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF AN ESTER OF A DIPHENYLACETIC ACID DERIVATIVE AND ORGANIC AND INORGANIC ACID ADDITION SALT OF SAID ESTER, THE ESTER HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
65 words
A MEDICINAL PREPARATION COMPRISING A CENTRALLY ACTING DRUG SELECTED FROM THE GROUP CONSISTING OF BARBITURATES, 2-MONOBROMISOVALERYLUREA, ALLYLISOPROPYLACETYLCARBAMIDE AND BROMDIETHYLACETYLUREA AND A COMPONENT TO SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE CENTRALLY ACTING DRUG, SAID COMPONENT BEING SELECTED FROM THE GROUP CONSISTING OF AN ESTER OF A DIPHENYLACETIC ACID DERIVATIVE AND ORGANIC AND INORGANIC ACID ADDITION SALT OF SAID ESTER, THE ESTER HAVING THE FOLLOWING STRUCTURAL FORMULA:
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |