Patent US2655509A successfully refreshed from Google Patents.
US2655509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-p-chlorophenyl-2-phenyl-4-(n-pyrrolidino)-butenes
Assignee: Eli Lilly and Co
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Filing: 1951-04-14
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Granted: 1953-10-13
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Expires: 1971-04-14
Abstract
No abstract record available.
Inventors
- 👤 Mills Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:40
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/06; C07D295/073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A COMPOUND OF THE GROUP CONSISTING OF A 1-PCHLOROPHENYL - 2 - PHENYL - 4 - (N - PYRROLIDINO) BUTENE CHARACTERIZED BY A BOILING POINT OF ABOUT 190-195* C. AT A PRESSURE OF ABOUT 0.3 MM. OF MERCURY A MELTING POINT OF ABOUT 48-49* C., AND INFRARED ABSORPTION MAXIMA EXPRESSED IN MICRONS AT 3.32, 3.39, 3.58, 6.28, 6.70, 6.92, 7.12, 7.30, 7.44, 7.61, 7.78, 8.76, 9.16, 9.68, 9.84, 9.97, 10.05, 12.38, 13.01, 13.23 AND 14.25; AND NONTOXIC, PHARMACEUTICALLY USEFUL ACID ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
83 words
A COMPOUND OF THE GROUP CONSISTING OF A 1-PCHLOROPHENYL - 2 - PHENYL - 4 - (N - PYRROLIDINO) BUTENE CHARACTERIZED BY A BOILING POINT OF ABOUT 190-195* C. AT A PRESSURE OF ABOUT 0.3 MM. OF MERCURY A MELTING POINT OF ABOUT 48-49* C., AND INFRARED ABSORPTION MAXIMA EXPRESSED IN MICRONS AT 3.32, 3.39, 3.58, 6.28, 6.70, 6.92, 7.12, 7.30, 7.44, 7.61, 7.78, 8.76, 9.16, 9.68, 9.84, 9.97, 10.05, 12.38, 13.01, 13.23 AND 14.25; AND NONTOXIC, PHARMACEUTICALLY USEFUL ACID ADDITION SALTS THEREOF.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |