Patent US3338935A successfully refreshed from Google Patents.
US3338935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine salts of metal organo orthophosphates
Assignee: Citgo Petroleum Corp
•
Filing: 1964-03-06
•
Granted: 1967-08-29
•
Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Paul M Kerschner
- 👤 Frederick G Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:57
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/08; C10L1/26; C10L1/2633; C10L1/2641; C10L1/2658; C10L1/30; C10L1/301; C10M2203/00; C10M2203/10; C10M2203/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2227/00; C10M2227/08; C10M2227/083; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2010/12; C10N2010/14; C10N2050/00; C10N2050/015; C10N2050/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AN ORGANIC AMINE SALT OF A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
10 words
AN ORGANIC AMINE SALT OF A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2346155A
Cited
US3231347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |