US2528803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of metallic soaps
Assignee: Harshaw Chemical Co
•
Filing: 1947-08-01
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Granted: 1950-11-07
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Gilbert G Unkefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:04
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN THE MANUFACTURE OF COMPOUNDS OF METALS OF THE CLASS CONSISTING OF MANGANESE, MAGNESIUM AND CALCIUM, THE STEPS OF REACTING TOGETHER IN THE TEMPERATURE RANGE FROM APPROXIMATELY 100*C. TO APPROXIMATELY 160*C. THE METAL IN METALLIC STATE AND A HIGH MOLECULAR WEIGHT, ORGANIC, MONO-CARBOXYLIC ACID OF THE CLASS CONSISTING OF ALIPHATIC, ALICYCLIC, ROSIN AND TALL OIL ACIDS HAVING FROM 8 TO 22 CARBON ATOMS IN THE MOLECULE, THE METAL BEING PRESENT IN EXCESS OF THE AMOUNT REQUIRED TO REACT WITH SAID ACID AND THE REACTION BEING CARRIED OUT IN THE PRESENT OF COOPERATING CATALYSTS, ONE THEREOF ESSENTIALLY CONSISTING OF FROM 1/2% TO 5% BY WEIGHT OF AN ALIPHATIC ALCOHOL HAVING FROM 1 TO 10 CARBON ATOMS IN THE MOLECULE, AND THE OTHER THEREOF ESSENTIALLY CONSISTING OF FROM 1/2% TO 5% OF A LOW MOLECULAR WEIGHT ORGANIC ACID OF THE CLASS CONSISTING OF FORMIC, ACETIC, PROPIONIC, CHLORO-PROPIONIC, OXALIC, CITRIC AND TARTARIC ACIDS, PERCENTAGE BEING BASED ON THE WEIGHT OF SAID HIGH MOLECULAR WEIGHT ORGANIC ACID.
Claim 2
Dependent Claim
163 words
IN THE MANUFACTURE OF COMPOUNDS OF METALS OF THE CLASS CONSISTING OF MANGANESE, MAGNESIUM AND CALCIUM, THE STEPS OF REACTING TOGETHER IN THE TEMPERATURE RANGE FROM APPROXIMATELY 100*C. TO APPROXIMATELY 160*C. THE METAL IN METALLIC STATE AND A HIGH MOLECULAR WEIGHT, ORGANIC, MONO-CARBOXYLIC ACID OF THE CLASS CONSISTING OF ALIPHATIC, ALICYCLIC, ROSIN AND TALL OIL ACIDS HAVING FROM 8 TO 22 CARBON ATOMS IN THE MOLECULE, THE METAL BEING PRESENT IN EXCESS OF THE AMOUNT REQUIRED TO REACT WITH SAID ACID AND THE REACTION BEING CARRIED OUT IN THE PRESENT OF COOPERATING CATALYSTS, ONE THEREOF ESSENTIALLY CONSISTING OF FROM 1/2% TO 5% BY WEIGHT OF AN ALIPHATIC ALCOHOL HAVING FROM 1 TO 10 CARBON ATOMS IN THE MOLECULE, AND THE OTHER THEREOF ESSENTIALLY CONSISTING OF FROM 1/2% TO 5% OF A LOW MOLECULAR WEIGHT ORGANIC ACID OF THE CLASS CONSISTING OF FORMIC, ACETIC, PROPIONIC, CHLORO-PROPIONIC, OXALIC, CITRIC AND TARTARIC ACIDS, PERCENTAGE BEING BASED ON THE WEIGHT OF SAID HIGH MOLECULAR WEIGHT ORGANIC ACID.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |