US3019249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of partial esters of phosphorus acids and salts thereof
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1959-04-22
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Granted: 1962-01-30
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Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank C Gunderloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:53
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/141; C07F9/28; C07F9/38; C07F9/40; C10L1/2608; C10L1/2633; C10L1/2641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PROCESS FOR PREPARING PHOSPHATES SELECTED FROM THE GROUP CONSISTING OF MONOSUBSTITUTED AND DISUBSTITUTED PHOSPHATES WHICH COMPRISES REACTING A TRISUBSTITUTED PHOSPHATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
25 words
A PROCESS FOR PREPARING PHOSPHATES SELECTED FROM THE GROUP CONSISTING OF MONOSUBSTITUTED AND DISUBSTITUTED PHOSPHATES WHICH COMPRISES REACTING A TRISUBSTITUTED PHOSPHATE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
CA566281A
Cited
US2834797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |