Patent US4372184A successfully refreshed from Google Patents.
US3051622A
Expired / Lapsed
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Analgesic cyclobutanes
Assignee: Bristol Myers Co
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Filing: 1959-11-25
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Granted: 1962-08-28
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Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 Kuna Samuel
- 👤 Anthony W Pircio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:12
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/13; A61K31/21; A61K31/215; A61K31/22; A61K31/225; A61K31/495; A61K31/535; A61K31/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN ANALGESIC COMPOSITION IN UNIT DOSAGE FORM COMPRISING A SIGNIFICANT QUANTITY OF A PHARMACEUTICAL CARRIER AND FROM ABOUT 0.1 GRAIN TO ABOUT 25 GRAINS OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A CYCLOBUTANE DERIVATIVE AND A NON-TOXIC ACID ADDITION SALT OF SAID CYCLOBUTANE DERIVATIVE WHEREIN THE CYCLOBUTANE DERIVATIVE CAN BE REPRESENTED BY THE FOLLOWING GENERIC FORMULA:
Claim 2
Dependent Claim
58 words
AN ANALGESIC COMPOSITION IN UNIT DOSAGE FORM COMPRISING A SIGNIFICANT QUANTITY OF A PHARMACEUTICAL CARRIER AND FROM ABOUT 0.1 GRAIN TO ABOUT 25 GRAINS OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A CYCLOBUTANE DERIVATIVE AND A NON-TOXIC ACID ADDITION SALT OF SAID CYCLOBUTANE DERIVATIVE WHEREIN THE CYCLOBUTANE DERIVATIVE CAN BE REPRESENTED BY THE FOLLOWING GENERIC 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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |