US4446250A
Expired / Lapsed
US
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Plate catalyst body for denitration
Assignee: Kawasaki Motors Ltd
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Filing: 1982-04-14
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Granted: 1984-05-01
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Expires: 2002-04-14
Abstract
Abstract A plate catalyst body for denitration wherein a catalytic substance is supported on a porous metallic plate body having three dimensional network, which has an excellent retention of catalyst and an easy producibility, the porous metallic plate body being able to be uneven or have protrusions.
Inventors
- 👤 Senji Niwa
- 👤 Takuji Sasaki
- 👤 Masaaki Shinto
- 👤 Noriaki Imamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:27
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/06; B01J21/063; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/86; B01D53/8621; B01D53/8625; B01D53/8628; B01D53/8631; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/86; B01J23/866
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
52 words
A foamed metallic plate catalyst body for denitration having pores with average pore diameters of about 0.1 mm to about 10 mm and a thickness of about 0.5 mm to about 20 mm and including a mixture of TiO 2 carrier and a catalytic substance supported by the foamed metallic plate body.
Claim 2
Dependent Claim
52 words
A foamed metallic plate catalyst body for denitration having pores with average pore diameters of about 0.1 mm to about 10 mm and a thickness of about 0.5 mm to about 20 mm and including a mixture of TiO 2 carrier and a catalytic substance supported by the foamed metallic plate body.
Claim 3
Dependent Claim
21 words
The foamed metallic plate catalyst body for denitration according to claim 1, wherein the metallic plate body is nickel-chromium alloy plate.
Claim 4
Dependent Claim
52 words
An integrated catalyst unit comprising a plurality of spaced foamed metallic plates, each having a mixture of TiO 2 carrier and a catalytic substance supported thereon, said plates each having an effective porosity of 70 percent to 90 percent and a thickness of 1 mm to 5 mm before catalytic substance addition.
Claim 5
Dependent Claim
52 words
An integrated catalyst unit comprising a plurality of spaced foamed metallic plates, each having a mixture of TiO 2 carrier and a catalytic substance supported thereon, said plates each having an effective porosity of 70 percent to 90 percent and a thickness of 1 mm to 5 mm before catalytic substance addition.
Claim 6
Dependent Claim
44 words
An integrated catalyst unit according to claim 3 wherein each plate has a thickness of about 1.5 mm and a porosity of about 85 percent before catalytic substance addition, and wherein the spacing interval in the unit between plate centers is about 10 mm.
Claim 7
Dependent Claim
31 words
The foamed metallic plate catalyst body for denitration according to claim 1 wherein said foamed metallic plate has pores having average pore diameters of about 0.5 mm to about 3 mm.
Claim 8
Dependent Claim
32 words
The foamed metallic plate catalyst body for denitration according to claim 1 wherein the thickness of the foamed metallic plate is within the range of about 1 mm to about 5 mm.
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) | 1987-05-01 | 1987-10-31 | 1988-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-01 | 1991-10-31 | 1992-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-01 | 1995-10-31 | 1996-05-01 | $7700.00 | Window Closed / Lapsed |