US2650932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing metallic soaps of fatty acids
Assignee: NL Industries Inc
•
Filing: 1950-04-13
•
Granted: 1953-09-01
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Kebrich
- 👤 Adrian R Pitrot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:17
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD FOR PRODUCTION OF A METALLIC SOAP OF A FATTY ACID CONTAINING MORE THAN 6 CARBON ATOMS WHICH COMPRISES FORMING AN AQUEOUS EMULSION OF SAID ACID IN MOLTEN CONDITION AND SLOWLY ADDING SAID EMULSION TO AN AGITATED AQUEOUS SUSPENSION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIDES AND HYDROXIDES OF LITHIUM, CALCIUM, STRONTIUM, BARIUM, MAGNESIUM, ALUMINUM, ZINC AND LEAD IN THE PRESENCE OF AN AMOUNT BETWEEN 0.1 AND 0.6% OF THE TOTAL SYSTEM OF A NITROGENOUS BASE CATALYST CHARACTERIZED BY WATER SOLUBILITY IN EXCESS OF 500 GRAMS PER LITER, AN IONIZATION CONSTANT OF GREATER THAN 10-9 AND A PH VALUE EXCEDING 9.0 IN ONE TENTH NORMAL SOLUTION ALL CHARACTERISTICS AT ROOM TEMPERATURE THEREBY FORMING A METALLIC SOAP OF SAID FATTY ACID IN FINELY DIVIDED SOLID FORM.
Claim 2
Independent Claim
129 words
A METHOD FOR PRODUCTION OF A METALLIC SOAP OF A FATTY ACID CONTAINING MORE THAN 6 CARBON ATOMS WHICH COMPRISES FORMING AN AQUEOUS EMULSION OF SAID ACID IN MOLTEN CONDITION AND SLOWLY ADDING SAID EMULSION TO AN AGITATED AQUEOUS SUSPENSION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXIDES AND HYDROXIDES OF LITHIUM, CALCIUM, STRONTIUM, BARIUM, MAGNESIUM, ALUMINUM, ZINC AND LEAD IN THE PRESENCE OF AN AMOUNT BETWEEN 0.1 AND 0.6% OF THE TOTAL SYSTEM OF A NITROGENOUS BASE CATALYST CHARACTERIZED BY WATER SOLUBILITY IN EXCESS OF 500 GRAMS PER LITER, AN IONIZATION CONSTANT OF GREATER THAN 10-9 AND A PH VALUE EXCEDING 9.0 IN ONE TENTH NORMAL SOLUTION ALL CHARACTERISTICS AT ROOM TEMPERATURE THEREBY FORMING A METALLIC SOAP OF SAID FATTY ACID IN FINELY DIVIDED SOLID FORM.
References Cited (Backward Citations)
US2466925A
Cited
US2480564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |