Catalyst support
Abstract
Abstract A CATALYST SUPPORT IN THE FORM OF A MULTI-TUBULAR REFRACTORY MODULE IS MADE BY FORMING A PLASTIC COMPOSITION CONTAINING THEMATWRIAL OF THE SUPPORT OR A COMPOUND THERMALLY DECOMPOSALE OR RETRACTABLE THERETO, A LIQUID AND A VISCOSITY-CONTROLLING SUBSTANCE, FORCING THE SAID COMPOSITION SUCCESSIVELY THROUGH A ZONE COMPRISING A PLURALITY OF DISCRETE PRIMARY CHANNELS WITHIN A SOLID BLOCK AND TEN A UNIFYIG ZOYING ZONE COMPRISING SECONDARY CHANNELS WITHIN THE SAME BLOCK, THE SECONDARY CHANNELS BEING INTERLINKED IN THE CONFIGURATION OF CONTINUOUS CURVES TRANSVERSE TO THE DIRECTION OF FLOW OF THE PLASTIC COMPOSITION, DRYING THE MODULE THUS PRODUCED AND CALCINING IT TO CAUSE THE FORMATION OF CERAMIC BONDS.
Inventors
- 👤 J Benbow
- 👤 L Lord
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |