Patent US2657182A successfully refreshed from Google Patents.
US2657182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal oxide impregnated with silver permanganate as oxidation agent
Assignee: Individual
•
Filing: 1950-07-06
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Granted: 1953-10-27
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Expires: 1970-07-06
Abstract
No abstract record available.
Inventors
- 👤 Katz Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:53
CPC Classifications
A; A62; A62B; A62B21/00; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; B01D53/74; B01D53/86; B01D53/864; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/66; B01J23/68; B01J23/688; B01J23/70; B01J23/89; B01J23/8933; B01J23/8986; B01J37/00; C; C01; C01B; C01B32/00; C01B32/50; C01G; C01G5/00; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A METHOD OF PREPARING AN OXIDATION AGENT FOR CARBON MONOXIDE CONSISTING ESSENTIALLY OF DRY GRANULAR PARTICLES OF A SOLID INORGANIC OXIDE OF A SOLID ELEMENT IN INTIMATE ADMIXTURE WITH SILVER PERMANGANATE, SAID OXIDATION AGENT BEING CHARACTERIZED IN THAT THE SILVER PERMANGANATE IS DISPERSED IN FINELY DIVIDED FORM UPON AND THROUGHOUT THE OXIDE BY BEING FORMED UPON THE OXIDE IN FINELY DIVIDED FORM BY REACTION IN AQUEOUS SOLUTION BETWEEN TWO SILVER PERMANGANATE FORMING REACTANTS IN THE PRESENCE OF SAID OXIDE, SAID REACTANTS BEING A SOLUBLE SILVER SALT AND AN ALKALI METAL PERMANGANATE, THE OXIDE BEING SUBSTANTIALLY UNREACTIVE WITH WATER, HAVING NO MORE THAN A LOW SOLUBILITY IN WATER, AND IN THE PRESENCE OF WATER, BEING SUBSTANTIALLY UNREACTIVE WITH THE SOLUBLE SILVER SALT EMPOLYED, SAID METHOD COMPRISING MIXING THE INORGANIC OXIDE IN FINELY DIVIDED FORM IN ANAQUEOUS SOLUTION OF A FIRST ONE OF THE SAID SILVER PERMANGANATE FORMING REACTANTS, DISPERSING MIXTURE TO FORM A SILVER PERMANTHE RESULTANT MIXTURE TO FORM A SILVER PERMANGANATE THEREIN, WHEREBY TO CRYSTALLIZE THE SILVER PERMANGANATE UPON AND THROUGHOUT THE OXIDE, SEPARATING THE SOLIDS FROM THE MOTHER LIQUOR, AND DRYING SAID SOLIDS.
Claim 2
Independent Claim
184 words
A METHOD OF PREPARING AN OXIDATION AGENT FOR CARBON MONOXIDE CONSISTING ESSENTIALLY OF DRY GRANULAR PARTICLES OF A SOLID INORGANIC OXIDE OF A SOLID ELEMENT IN INTIMATE ADMIXTURE WITH SILVER PERMANGANATE, SAID OXIDATION AGENT BEING CHARACTERIZED IN THAT THE SILVER PERMANGANATE IS DISPERSED IN FINELY DIVIDED FORM UPON AND THROUGHOUT THE OXIDE BY BEING FORMED UPON THE OXIDE IN FINELY DIVIDED FORM BY REACTION IN AQUEOUS SOLUTION BETWEEN TWO SILVER PERMANGANATE FORMING REACTANTS IN THE PRESENCE OF SAID OXIDE, SAID REACTANTS BEING A SOLUBLE SILVER SALT AND AN ALKALI METAL PERMANGANATE, THE OXIDE BEING SUBSTANTIALLY UNREACTIVE WITH WATER, HAVING NO MORE THAN A LOW SOLUBILITY IN WATER, AND IN THE PRESENCE OF WATER, BEING SUBSTANTIALLY UNREACTIVE WITH THE SOLUBLE SILVER SALT EMPOLYED, SAID METHOD COMPRISING MIXING THE INORGANIC OXIDE IN FINELY DIVIDED FORM IN ANAQUEOUS SOLUTION OF A FIRST ONE OF THE SAID SILVER PERMANGANATE FORMING REACTANTS, DISPERSING MIXTURE TO FORM A SILVER PERMANTHE RESULTANT MIXTURE TO FORM A SILVER PERMANGANATE THEREIN, WHEREBY TO CRYSTALLIZE THE SILVER PERMANGANATE UPON AND THROUGHOUT THE OXIDE, SEPARATING THE SOLIDS FROM THE MOTHER LIQUOR, AND DRYING SAID SOLIDS.
References Cited (Backward Citations)
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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) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |