US2894033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antispasmodic 1, 1-diphenyl-3-dialkylaminopropane, and its tertiary and quaternary salts
Assignee: Janssen Pharmaceutica NV
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Filing: 1956-09-10
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Granted: 1959-07-07
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Expires: 1976-09-10
Abstract
No abstract record available.
Inventors
- 👤 Paul A J Janssen
- 👤 Jongh David K De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:29
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G65/24; C07; C07C; C07C211/00; C07C211/01; C07C211/26; C07C211/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1,1-DIPHENYL-3-DIISOPROPYLAMINOPROPANE, AND ITS HYDROCHLORIDE, HYDROBROMIDE, HYDROIODIDE, METHIODIDE, METHOBROMIDE AND METHOCHLORIDE. 4. 1,1-DIPHENYL - 3 - DIISOPROPYLAMINO-PROPANE METHIODIDE.
Claim 2
Dependent Claim
25 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1,1-DIPHENYL-3-DIISOPROPYLAMINOPROPANE, AND ITS HYDROCHLORIDE, HYDROBROMIDE, HYDROIODIDE, METHIODIDE, METHOBROMIDE AND METHOCHLORIDE. 4. 1,1-DIPHENYL - 3 - DIISOPROPYLAMINO-PROPANE METHIODIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |