US2863868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mono orthophosphoric esters and salts thereof
Assignee: JAN M D ARON SAMUEL
•
Filing: 1953-12-21
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Granted: 1958-12-09
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Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Chabrier Pierre
- 👤 Andre E G Desjobert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:56
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6527; C07F9/6533; C07F9/06; C07F9/08; C07F9/09; C07F9/091
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A CALCIUM SALT OF THE MONO B-MORPHOLINO-ETHYL ESTER OF ORTHOPHOSPHORIC ACID.
Claim 2
Dependent Claim
11 words
A CALCIUM SALT OF THE MONO B-MORPHOLINO-ETHYL ESTER OF ORTHOPHOSPHORIC ACID.
Claim 3
Dependent Claim
17 words
THE CALCIUM ACID SALT OF THE MONO-B-MORPHOLINOETHYL ESTER OF ORTHOPHOSPHORIC ACID, SAID SALT HAVING THE FOLLOWING FORMULA
Claim 4
Dependent Claim
17 words
THE CALCIUM ACID SALT OF THE MONO-B-MORPHOLINOETHYL ESTER OF ORTHOPHOSPHORIC ACID, SAID SALT HAVING THE FOLLOWING FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |