US2767209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complexes of dissimilar metals and methods of making same
Assignee: Lubrizol Corp
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Filing: 1952-11-03
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Granted: 1956-10-16
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Expires: 1972-11-03
Abstract
No abstract record available.
Inventors
- 👤 Peter A Asseff
- 👤 Thomas W Mastin
- 👤 Rhodes Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
C; C07; C07F; C07F3/00; C07F3/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
461 words
A PROCESS WHICH COMPRISES: I. PREPARING AND MIXING A MASS IN WHICH, AT 50* C., AT LEAST 50% OF THE COMPONENTS ARE IN THE LIQUID STATE, AND IN WHICH MASS THE ACTIVE COMPONENTS CONSIST OF: (I) AT LEAST ONE OIL-SOLUBLE COMPOUND SELECTED FROM THE CLASS CONSISTING OF: (1) ACIDIC ORGANIC COMPOUNDS; (2) SALTS OF ACIDIC ORGANIC COMPOUNDS; AND (3) MIXTURES OF (1) AND (2) (II) AT LEAST ONE COMPOUND OTHER THAN THOSE SELECTED AS COMPONENT (I) SELECTED FROM THE CLASS CONSISTING OF: (1) COMPOUNDS HAVING THE FORMULA AH, IN WHICH A IS AN ANIONIC RADICAL AND H IS HYDROGEN, WHICH COMPOUNDS: (A) ARE WATER-SOLUBLE AT A TEMPERATURE OF 50* C. TO THE EXTENT OF AT LEAST .0005 %; AND (B) IN THE PRESENCE OF WATER, HAVING AN IONIZATION CONSTANT GREATER THAN ABOUT 1X10-10 AT ABOUT 25* C., THE SATURATED AQUEOUS SOLUTIONS OF WHICH AT ABOUT 25* C. HAVE PH VALUES NOT GREATER THAN 7.0; AND WHICH COMPOUNDS ARE SELECTED FROM THE CLASS CONSISTING OF: (A'') ORGANIC COMPOUNDS AND (B'') IORGANIC COMPOUNDS CONTAINING A PLURALITY OF ATOMS OF AN ACID-FORMING ELEMENT; AND (2) THE METAL SALTS OF THE COMPOUNDS DEFINED BY (1) ABOVE; THE RELATIVE AMOUNTS OF (I) AND (II) USED BEING IN THE RANGE OF FROM ABOUT ONE EQUIVALENT OF (I) T ABOUT TEN EQUIVALENTS OF (II) TO ABOUT TEN EQUIVALENTS OF (I) TO ABOUT ONE EQUIVALENT OF (II); (III) AT LEAST ONE COMPOUND OTHER THAN THOSE SELECTED AS COMPONENTS (I) AND (II) SELECTED FROM THE CLASS CONSISTING OF: (1) METAL SALTS; AND (2) METAL BASES; IN AN AMOUNT SUCH THAT THERE ARE PRESENT IN THE MASS A TOTAL OF SUBSTANTIALLY MORE THAN ONE EQUIVALENT OF CATIONIC SALT-FORMING RADICALS, INCLUDING THOSE PRESENT IN COMPONENTS (I) AND (II), PER EQUIVALENT OF (I) AND (II); AND (IV) AT LEAST ONE MATERIAL SELECTED FROM THE CLASS CONSISTING OF: (1) WATER; (2) THE WATER-SOLUBLE ALCOHOLS AND MIXTURES OF SUCH ALCOHOLS; AND (3) MIXTURES OF WATER AND SUCH ALCOHOLS IN AN AMOUNT, INCLUSIVE OF THAT IN CHEMICAL COMBINATION WITH ALL OF THE COMPONENTS PRESENT, EQUAL TO AT LEAST ONE MOLE PER MOLE OF (III); II. AND THEN MAINTAINING THE MASS AT A TEMPERATURE AND FOR A PERIOD OF TIME SUFFICIENT TO DRIVE OFF SUBSTANTIALLY ALL FREE WATER AND ALCOHOL, INCLUDING WATER AND ALCOHOL OF HYDRATION, WHICH MAY BE PRESENT, SAID PROCESS BEING CHARACTERIZED FURTHER IN THAT THE METALS PRESENT IN THE REACTION MASS INCLUDE AT LEAST TWO DISSIMILAR METALS SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUP I HAVING AN ATOMIC WEIGHT OF LESS THAN 40 AND THE METALS OF GROUP II HAVING AN ATOMIC WEIGHT OF LESS THAN 138, AT LEAST ONE OF SAID METALS IS SELECTED FROM THE GROUP I, AND AT LEAST ONE OF SAID METALS IS SELECTED FROM GROUP II.
Claim 2
Dependent Claim
461 words
A PROCESS WHICH COMPRISES: I. PREPARING AND MIXING A MASS IN WHICH, AT 50* C., AT LEAST 50% OF THE COMPONENTS ARE IN THE LIQUID STATE, AND IN WHICH MASS THE ACTIVE COMPONENTS CONSIST OF: (I) AT LEAST ONE OIL-SOLUBLE COMPOUND SELECTED FROM THE CLASS CONSISTING OF: (1) ACIDIC ORGANIC COMPOUNDS; (2) SALTS OF ACIDIC ORGANIC COMPOUNDS; AND (3) MIXTURES OF (1) AND (2) (II) AT LEAST ONE COMPOUND OTHER THAN THOSE SELECTED AS COMPONENT (I) SELECTED FROM THE CLASS CONSISTING OF: (1) COMPOUNDS HAVING THE FORMULA AH, IN WHICH A IS AN ANIONIC RADICAL AND H IS HYDROGEN, WHICH COMPOUNDS: (A) ARE WATER-SOLUBLE AT A TEMPERATURE OF 50* C. TO THE EXTENT OF AT LEAST .0005 %; AND (B) IN THE PRESENCE OF WATER, HAVING AN IONIZATION CONSTANT GREATER THAN ABOUT 1X10-10 AT ABOUT 25* C., THE SATURATED AQUEOUS SOLUTIONS OF WHICH AT ABOUT 25* C. HAVE PH VALUES NOT GREATER THAN 7.0; AND WHICH COMPOUNDS ARE SELECTED FROM THE CLASS CONSISTING OF: (A'') ORGANIC COMPOUNDS AND (B'') IORGANIC COMPOUNDS CONTAINING A PLURALITY OF ATOMS OF AN ACID-FORMING ELEMENT; AND (2) THE METAL SALTS OF THE COMPOUNDS DEFINED BY (1) ABOVE; THE RELATIVE AMOUNTS OF (I) AND (II) USED BEING IN THE RANGE OF FROM ABOUT ONE EQUIVALENT OF (I) T ABOUT TEN EQUIVALENTS OF (II) TO ABOUT TEN EQUIVALENTS OF (I) TO ABOUT ONE EQUIVALENT OF (II); (III) AT LEAST ONE COMPOUND OTHER THAN THOSE SELECTED AS COMPONENTS (I) AND (II) SELECTED FROM THE CLASS CONSISTING OF: (1) METAL SALTS; AND (2) METAL BASES; IN AN AMOUNT SUCH THAT THERE ARE PRESENT IN THE MASS A TOTAL OF SUBSTANTIALLY MORE THAN ONE EQUIVALENT OF CATIONIC SALT-FORMING RADICALS, INCLUDING THOSE PRESENT IN COMPONENTS (I) AND (II), PER EQUIVALENT OF (I) AND (II); AND (IV) AT LEAST ONE MATERIAL SELECTED FROM THE CLASS CONSISTING OF: (1) WATER; (2) THE WATER-SOLUBLE ALCOHOLS AND MIXTURES OF SUCH ALCOHOLS; AND (3) MIXTURES OF WATER AND SUCH ALCOHOLS IN AN AMOUNT, INCLUSIVE OF THAT IN CHEMICAL COMBINATION WITH ALL OF THE COMPONENTS PRESENT, EQUAL TO AT LEAST ONE MOLE PER MOLE OF (III); II. AND THEN MAINTAINING THE MASS AT A TEMPERATURE AND FOR A PERIOD OF TIME SUFFICIENT TO DRIVE OFF SUBSTANTIALLY ALL FREE WATER AND ALCOHOL, INCLUDING WATER AND ALCOHOL OF HYDRATION, WHICH MAY BE PRESENT, SAID PROCESS BEING CHARACTERIZED FURTHER IN THAT THE METALS PRESENT IN THE REACTION MASS INCLUDE AT LEAST TWO DISSIMILAR METALS SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUP I HAVING AN ATOMIC WEIGHT OF LESS THAN 40 AND THE METALS OF GROUP II HAVING AN ATOMIC WEIGHT OF LESS THAN 138, AT LEAST ONE OF SAID METALS IS SELECTED FROM THE GROUP I, AND AT LEAST ONE OF SAID METALS IS SELECTED FROM GROUP II.
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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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |