US3076010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis (hydroxyalkyl) amino alkyl phosphonic acid diesters
Assignee: Stauffer Chemical Co
•
Filing: 1960-03-25
•
Granted: 1963-01-29
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Beck
- 👤 Edward N Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/3889; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
DIALKYL DIALKANOLAMINOALKYLPHOSPHONATES HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
DIALKYL DIALKANOLAMINOALKYLPHOSPHONATES HAVING THE FORMULA:
References Cited (Backward Citations)
US2570503A
Cited
US2635112A
Cited
US2847442A
Cited
US2901445A
Cited
US2875232A
Cited
US2953533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |