US2865956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of basic polyvalent metal salts of organic acids
Assignee: Shell Development Co
•
Filing: 1955-05-23
•
Granted: 1958-12-23
•
Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Ellis Glyn
- 👤 Hartley James
- 👤 Moseley John Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:34
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/028; C10M2207/10; C10M2207/16; C10M2207/26; C10M2207/262; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/402; C10M2209/00; C10M2209/10; C10M2209/101; C10M2211/00; C10M2211/02; C10M2219/00; C10M2219/04; C10M2219/046; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/14; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A PROCESS FOR PREPARING AN OIL SOLUBLE HIGHLY BASIC METAL SALT OF AN ORGANIC ACID, SAID PROCESS COMPRISING REACTING, AS THE ONLY CHEMICALLY REACTIVE ORGANIC MATERIAL, AN OIL SOLUBLE ORGANIC ACID COMPOUND SELECTED FROM THE CLASS CONSISTING OF (1) CYCLIC SULFUR ACIDS CONTAINING AT LEAST 18 CARBON ATOMS PER MOLECULE, (2) CUCLIC CARBOXYLIC ACIDS CONTAINING AT LEAST 17 CARBON ATOMS PER MOLECULE AND (3) SALTS OF THOSE ACIDS WITH ALKALI METALS AND WITH ALKALINE EARTH METALS, IN THE PRESENCE OF AT LEAST 5% OF THE WEIGHTG OF SAID ORGANIC ACID COMPOUND OF A LOWER ALKALOL, WITH AN ALKALINE EARTH METAL CARBONATE FORMED IN SITU, BY THE REACTION OF CARBON DIOXIDE AND AN ALKALINE EARTH METAL BASE, AT LEAST A PART OF SAID BASE BEING IN THE FREE STATE, THEREAFTER REMOVING SAID ALKANOL AND ANY WATER PRESENT IN THE RESULTING MIXTURE.
Claim 2
Dependent Claim
140 words
A PROCESS FOR PREPARING AN OIL SOLUBLE HIGHLY BASIC METAL SALT OF AN ORGANIC ACID, SAID PROCESS COMPRISING REACTING, AS THE ONLY CHEMICALLY REACTIVE ORGANIC MATERIAL, AN OIL SOLUBLE ORGANIC ACID COMPOUND SELECTED FROM THE CLASS CONSISTING OF (1) CYCLIC SULFUR ACIDS CONTAINING AT LEAST 18 CARBON ATOMS PER MOLECULE, (2) CUCLIC CARBOXYLIC ACIDS CONTAINING AT LEAST 17 CARBON ATOMS PER MOLECULE AND (3) SALTS OF THOSE ACIDS WITH ALKALI METALS AND WITH ALKALINE EARTH METALS, IN THE PRESENCE OF AT LEAST 5% OF THE WEIGHTG OF SAID ORGANIC ACID COMPOUND OF A LOWER ALKALOL, WITH AN ALKALINE EARTH METAL CARBONATE FORMED IN SITU, BY THE REACTION OF CARBON DIOXIDE AND AN ALKALINE EARTH METAL BASE, AT LEAST A PART OF SAID BASE BEING IN THE FREE STATE, THEREAFTER REMOVING SAID ALKANOL AND ANY WATER PRESENT IN THE RESULTING MIXTURE.
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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |