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US2528803A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of metallic soaps

Assignee: Harshaw Chemical Co
•
Filing: 1947-08-01
•
Granted: 1950-11-07
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Expires: 1967-08-01
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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.

References Cited (Backward Citations)

US981647A Cited
US1884407A Cited
US2238021A Cited
US2306352A Cited
US2394993A Cited
US2396671A Cited

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

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