US3082233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing free flowing
Assignee: —
•
Filing: —
•
Granted: 1963-03-19
•
Expires: 1980-03-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:29
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76; C07C69/84; C07C69/86; C01; C01F; C01F7/00; C01F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE PROCESS FOR PRODUCING AN ALUMINUM NAPHTHENATE CONTAINING OVER 7% ALUMINUM BY WEIGHT, WHICH COMPRISES: ADDING A CONCENTRATED SOLUTION OF CAUSTIC SODA HAVING BETWEEN 50-55% NAOH THEREIN TO NAPHTHENIC ACID IN A RATIO OF ABOUT 65-75 CC. OF SAID CAUSTIC SOLUTION PER HUNDRED GRAMS OF NAPHTHENIC ACID, WHEREBY THE SODIUM NAPHTHENATE SO PRODUCED IS A SOLID GEL, THEREAFTER ESSENTIALLY SUBSTANTIALLY DISSOLVING THE GELLED SODIUM NAPHTHENATE WITH UP TO ABOUT 10 TIMES ITS WEIGHT OF COLD WATER AND HEATING UNTIL DISSOLUTION, THEN SLOWLY ADDING A 5-15% ALUMINUM SULFATE SOLUTION, AND FINALLY RECOVERING THEREFROM THE RESULTING PRECIPITATE OF SAID HIGH ALUMINUM CONTENT ALUMINUM NAPHTHENATE, IN THE FROM OF FINELY DIVIDED FREE-FLOWING, NON-HYDROLYZING POWDER.
Claim 2
Dependent Claim
111 words
THE PROCESS FOR PRODUCING AN ALUMINUM NAPHTHENATE CONTAINING OVER 7% ALUMINUM BY WEIGHT, WHICH COMPRISES: ADDING A CONCENTRATED SOLUTION OF CAUSTIC SODA HAVING BETWEEN 50-55% NAOH THEREIN TO NAPHTHENIC ACID IN A RATIO OF ABOUT 65-75 CC. OF SAID CAUSTIC SOLUTION PER HUNDRED GRAMS OF NAPHTHENIC ACID, WHEREBY THE SODIUM NAPHTHENATE SO PRODUCED IS A SOLID GEL, THEREAFTER ESSENTIALLY SUBSTANTIALLY DISSOLVING THE GELLED SODIUM NAPHTHENATE WITH UP TO ABOUT 10 TIMES ITS WEIGHT OF COLD WATER AND HEATING UNTIL DISSOLUTION, THEN SLOWLY ADDING A 5-15% ALUMINUM SULFATE SOLUTION, AND FINALLY RECOVERING THEREFROM THE RESULTING PRECIPITATE OF SAID HIGH ALUMINUM CONTENT ALUMINUM NAPHTHENATE, IN THE FROM OF FINELY DIVIDED FREE-FLOWING, NON-HYDROLYZING POWDER.
References Cited (Backward Citations)
US2356340A
Cited
US2447064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |