US3354155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminoalkylphosphonium compounds and process for the use thereof
Assignee: Pfizer Inc
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Filing: 1964-10-12
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Granted: 1967-11-21
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 James R Tretter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:23
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/06; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/496; C07D219/00; C07D219/04; C07D219/06; C07D311/00; C07D311/02; C07D311/78; C07D311/80; C07D311/82; C07D311/90; C07D313/00; C07D313/02; C07D313/06; C07D313/10; C07D313/12; C07D335/00; C07D335/04; C07D335/10; C07D335/12; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/12; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/535; C07F9/5352; C07F9/54; C07F9/5407; C07F9/547; C07F9/645; C07F9/6509; C07F9/650952; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2608
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMOUND SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMOUND SELECTED FROM THE GROUP CONSISTING OF THOSE OF THE FORMULA:
References Cited (Backward Citations)
US3149103A
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US3189657A
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US3192205A
Cited
US3253033A
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US3209013A
Cited
US3152145A
Cited
US3168523A
Cited
US3200120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |