US2933455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adsorbent briquets for combined odor and moisture removal
Assignee: Union Carbide Corp
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Filing: 1955-01-06
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Granted: 1960-04-19
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Expires: 1975-01-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Doying
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:59
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/01; Y; Y10; Y10S; Y10S210/00; Y10S210/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ODOR AND MOISTURE ADSORBENT COMPOSITION CONSISTING OF A SHAPED MIXTURE OF FRAGMENTARY ACTIVATED CARBON PARTICLES AND A DESICCANT SELECTED FROM THE GROUP CONSISTING OF ACTIVATED ALUMINA, ZEOLITE AND SILICA GEL BONDED WITH A WATER-DISPERSIBLE AND WATER-INSOLUBLE POLYMERIZED BINDER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE, POLYVINYL CHLORIDE, POLYSTYRENE, AND STYRENE-BUTADIENE COPOLYMERS, SAID BINDER BEING PRESENT IN AN AMOUNT RANGING BETWEEN 5 PRECENT AND 30 PERCENT BY WEIGHT OF SAID COMPOSITION, AND A VEHICLE FOR SAID BINDER, SAID VEHICLE BEING SELECTED FROM THE GROUP CONSISTING OF WATER, ETHYL ALCOHOL, BENZENE AND ACETONE.
Claim 2
Dependent Claim
93 words
AN ODOR AND MOISTURE ADSORBENT COMPOSITION CONSISTING OF A SHAPED MIXTURE OF FRAGMENTARY ACTIVATED CARBON PARTICLES AND A DESICCANT SELECTED FROM THE GROUP CONSISTING OF ACTIVATED ALUMINA, ZEOLITE AND SILICA GEL BONDED WITH A WATER-DISPERSIBLE AND WATER-INSOLUBLE POLYMERIZED BINDER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE, POLYVINYL CHLORIDE, POLYSTYRENE, AND STYRENE-BUTADIENE COPOLYMERS, SAID BINDER BEING PRESENT IN AN AMOUNT RANGING BETWEEN 5 PRECENT AND 30 PERCENT BY WEIGHT OF SAID COMPOSITION, AND A VEHICLE FOR SAID BINDER, SAID VEHICLE BEING SELECTED FROM THE GROUP CONSISTING OF WATER, ETHYL ALCOHOL, BENZENE AND ACETONE.
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |