US2661365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkanediol phosphoryl monochlorides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-03-11
•
Granted: 1953-12-01
•
Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 Harry R Gamrath
- 👤 Roger E Hatton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:19
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS NEW CHEMICAL COMPOUNDS, ALKANEDIOL PHOSHORYL MONOCHLORIDES HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
AS NEW CHEMICAL COMPOUNDS, ALKANEDIOL PHOSHORYL MONOCHLORIDES HAVING THE FORMULA
References Cited (Backward Citations)
US2382622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |