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EP0228885A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Use of porous membrane in reaction process

Assignee: NGK Insulators Ltd
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Filing: 1986-12-22
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Granted: —
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Expires: 2006-12-22
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Abstract

Abstract A porous membrane (11) adapted for use in a reaction process, the porous membrane or a porous layer therein being formed with interconnected micropores having an average pore size less than 100 nm and containing uniformly distributed therein a catalytic component such as molybdenum sulfide, platinum-alumina or palladium-silica-alumina.

Inventors

  • 👤 Fumio Abe

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-31 18:32
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/50; B01J35/58; B01J35/59; B01J15/00; B01J15/005; B01J19/00; B01J19/24; B01J19/2475; B01J8/00; B01J8/008; B01J8/009

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 26 words
A porous membrane formed with interconnected micropores having an average pore size less than 100 nm (1000 R) and containing a catalytic component uniformly distributed therein.
Claim 2
Dependent Claim 26 words
A porous membrane formed with interconnected micropores having an average pore size less than 100 nm (1000 R) and containing a catalytic component uniformly distributed therein.
Claim 3
Dependent Claim 15 words
A porous membrane according to Claim 1, which is made of an inorganic raw material.
Claim 4
Dependent Claim 19 words
A porous membrane according to Claim 2 which is made of alumina, silica-alumina, zirconia, zeolite, porous glass or carbon.
Claim 5
Dependent Claim 65 words
A porous membrane comprising a porous support formed with interconnected micropores, at least one porous thin layer integrally formed on the porous support and formed with interconnected micropores having an average pore size less than 100 nm (1000 R) and less than that of the micropores in the porous support, the porous support and/or the porous thin layer containing a catalytic component uniformly distributed therein.
Claim 6
Dependent Claim 65 words
A porous membrane comprising a porous support formed with interconnected micropores, at least one porous thin layer integrally formed on the porous support and formed with interconnected micropores having an average pore size less than 100 nm (1000 R) and less than that of the micropores in the porous support, the porous support and/or the porous thin layer containing a catalytic component uniformly distributed therein.
Claim 7
Dependent Claim 24 words
A porous membrane according to Claim 4, wherein the porous support and the porous thin layer are each made of an inorganic raw material.
Claim 8
Dependent Claim 37 words
A porous membrane according to Claim 5 wherein the porous support is made of alumina, silica-alumina, mullite, cordierite, zirconia or carbon and the porous thin layer is made of alumina, silica-alumina, zirconia, zeolite, porous glass or carbon.
Claim 9
Dependent Claim 21 words
A porous membrane according to Claim 4, 5 or 6 wherein the porous thin layer is less than 500 pm thick.
Claim 10
Dependent Claim 19 words
A porous membrane according to any one of Claims 1 to 7 wherein the catalytic component is molybdenum sulfide.
Claim 11
Dependent Claim 23 words
A porous membrane according to any one of Claim s 1 to 7 wherein the catalytic component is a supported precious metal catalyst.
Claim 12
Dependent Claim 17 words
A porous membrane according to Claim 9 wherein the supported precious metal catalyst is platinum-alumina or palladium-silica-alumina.

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