US3363031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-hydroxy polyphosphonate esters and process for making same
Assignee: Monsanto Co
•
Filing: 1964-08-04
•
Granted: 1968-01-09
•
Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Gail H Birum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:15
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
12 words
ORGANIC PHOSPHORUS COMPOUNDS HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
12 words
ORGANIC PHOSPHORUS COMPOUNDS HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 3
Dependent Claim
54 words
ORGANIC PHOSPHORUS COMPOUNDS AS IN CLAIM 1 WHEREIN THE ORGANIC PHOSPHORUS COMPOUND HAS THE FORMULA A IN WHICH COMPOUND EACH R IS CHLOROALKYL HAVING FROM 2 TO ABOUT 12 CARBON ATOMS, Y IS ALKYL HAVING FROM 1 TO ABOUT 8 CARBON ATOMS, AND N IS AN AVERAGE VALUE OF ABOUT 0.8 TO ABOUT 1.2.
References Cited (Backward Citations)
US3207776A
Cited
US3189635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |