Patent EP0364153B1 successfully refreshed from Google Patents.
EP0364153B1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Metal fabrics
Assignee: Johnson Matthey PLC
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Filing: 1989-10-04
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Granted: 1992-03-04
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Expires: 2009-10-04
Abstract
Abstract A fabric knitted from a precious metal fibre, especially platinum or palladium or alloys thereof, offers advantages as a catalyst gauze, for example in ammonia oxidation. A method for knitting at high weights involves the co-feeding of a supplementary fibre with the metal fibre.
Inventors
- 👤 Norman Reginald Fairey
- 👤 Robert David Hatton
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 02:58
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/50; B01J35/58; C; C01; C01B; C01B21/00; C01B21/20; C01B21/24; C01B21/26; C01B21/265; D; D04; D04B; D04B1/00; D04B1/14; D10; D10B; D10B2101/00; D10B2101/20; D10B2403/00; D10B2403/02; D10B2403/024; D10B2403/0242; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12444
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
23 words
A knitted precious metal fabric, in which the precious metal is selected from the platinum group metals, gold and silver, and alloys thereof.
Claim 2
Dependent Claim
23 words
A knitted precious metal fabric, in which the precious metal is selected from the platinum group metals, gold and silver, and alloys thereof.
Claim 3
Dependent Claim
22 words
A knitted fabric according to claim 1, in which the precious metal is selected from the platinum group metals and alloys thereof.
Claim 4
Dependent Claim
20 words
A knitted fabric according to claim 2, in which the precious metal is selected from platinum, palladium and alloys thereof.
Claim 5
Independent Claim
39 words
A method for the production of a knitted fabric according to any one of claims 1 to 3, comprising feeding with the metal fibre to a knitting machine, a supplementary fibre which lubricates the metal fibres to permit knitting.
Claim 6
Dependent Claim
17 words
A method according to claim 4, wherein the supplementary fibre is a natural or synthetic multistrand fibre.
Claim 7
Dependent Claim
25 words
A method according to claim 4 or 5, comprising also the step of removing the supplementary fabric from the knitted fabric by decomposition or solution.
Claim 8
Dependent Claim
17 words
The use of a knitted fabric according to any of claims 1 to 3, as a catalyst.
Claim 9
Dependent Claim
29 words
The use of a knitted fabric according to claims 1 to 3 wherein the precious metal is a platinum alloy, as a catalyst in the catalytic oxidation of ammonia.
Claim 10
Dependent Claim
31 words
The use of a knitted fabric according to claim 3 wherein the precious metal is palladium or an alloy thereof, as a catalyst recovery fabric in the catalytic oxidation of ammonia.
References Cited (Backward Citations)
No citation records indexed.
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