US3333030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for oxidation of secondary esters of phosphorous acid to primary and secondary esters of phosphoric acid
Assignee: GE Chemicals Inc
•
Filing: 1963-08-16
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Granted: 1967-07-25
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Charles F Baranauckas
- 👤 James J Hodan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:06
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/113
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A PROCESS FOR THE PREPARATION OF SECONDARY ESTERS OF PHOSPHORIC ACID HAVING THE FORMULA:
Claim 2
Dependent Claim
14 words
A PROCESS FOR THE PREPARATION OF SECONDARY ESTERS OF PHOSPHORIC ACID HAVING THE FORMULA:
Claim 3
Dependent Claim
11 words
A PROCESS FOR THE PREPARATION OF SECONDARY ESTERS OF PHOSPHORIC ACID
Claim 4
Dependent Claim
11 words
A PROCESS FOR THE PREPARATION OF SECONDARY ESTERS OF PHOSPHORIC ACID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |