US2934481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Promotion of chemical reactions
Assignee: Union Carbide Corp
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Filing: 1954-11-17
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Granted: 1960-04-26
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Expires: 1974-11-17
Abstract
No abstract record available.
Inventors
- 👤 Simon L Ruskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:59
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; B01J19/082; C01; C01B; C01B33/00; C01B33/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
THE METHOD FOR SIMULTANEOUSLY PROMOTING THE REDUCTION OF A METALLIC OXIDE SELECTED FROM THE GROUP CONSISTING OF THE OXIDES OF TITANIUM, GERMANIUM, ZIRCONIUM, HAFNIUM, THORIUM, VANADIUM, THALLIUM, COLUMBIUM, TANTALUM, MOLYBDENUM, TUNGSTEN, URANIUM, GALLIUM, INDIUM, SELENIUM, TELLURIUM, AND THE OXIDATION OF AN OXIDIZABLE ORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC ACID, ALCOHOLS, AND HETEROCYCLIC AND HYDROCARBYL AROMATIC COMPOUNDS, WHICH COMPRISES SUBJECTING SAID METALLIC OXIDE AND SAID OXIDIZABLE ORGANIC MATERIAL TO GAMMA RADIATION IN THE RANGE OR 10,000,000 TO 400,000,000 ROENTGEN UNITS PER GRAM.
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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |