US3791995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braunite-glass catalytic particles and method of preparation
Assignee: EIDP Inc
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Filing: 1971-11-24
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Granted: 1974-02-12
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Expires: 1991-11-24
Abstract
Abstract (MNO.3MN2O3.SIO2), A CERAMIC, POROUS, CATALYTIC FIRED COMPOSITION CONTAINING 40-80 WEIGHT PERCENT OF BRAUNITE, 10-50 WEIGHT PERCENT OF AN AMORPHOUS BINDER PHASE, AND 0-20 WEIGHT PERCENT OF A REFRACTORY CRYSTALLINE PHASE CAN BE COMBINED WITH PORCELAIN ENAMELS AND APPLIED AS A COATING TO VARIOUS SURFACES TO CATALYZE OXIDATION REACTIONS. THIS COMPOSITION IS AN EFFECTIVE CATALYST FOR OXIDATION OF FOOD SPATTER IN SELF-CLEANING OVENS AND FOR THE OXIDATION OF VAPORS IN EMISSION CONTROL DEVICES.
Inventors
- 👤 D Chay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:21
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/32; B01J23/34; B01J37/00; B01J37/0009; B01J37/0072; B01J37/02; B01J37/0215; F; F24; F24C; F24C15/00; F24C15/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |