AT322938T

Catalytic filter material and method of making same

Abstract

The present invention consists of a material IMPROVED CATALYTIC a filter to remove contaminants THAT USED AS THE NO X, in a fluid stream. PRE FILTER invention employs fibers COMPOSITE polytetrafluoroethylene (PTFE) FILLING WITH EXPANDED catalytic particles. FIBER COMPOSITE FIBRE ARE CUT AND TRUNCATED transformed into a felt material. Preferably, this material is rolled AFTER AT LEAST ONE OF THEIR SIDES WITH A PROTECTIVE microporous membrane. COMBINED filter removes particulates, such as dust, CURRENT FILTER, BEFORE THE DUST MAY colmatar PLACES WITH CATALYTIC ACTIVITY AND BECOMES EFFECTIVE WAY cat- UNWANTED CONTAMINANTS CURRENT FLUENT IN ACCEPTABLE END PRODUCTS.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

20 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
51519595United States of AmericaA

Members20

Family members, oldest first
DocumentOfficeKind
CA2228597A1CanadaA1
WO9706877A1World Intellectual Property Organization (WIPO)A1
AU6165996AAustraliaA
US5620669AUnited States of AmericaA
EP0854751A1European Patent Office (EPO)A1
US5843390AUnited States of AmericaA
AU703305B2AustraliaB2
AU1835199AAustraliaA
JPH11508822AJapanA
CA2228597CCanadaC
JP2003190721AJapanA
JP3618761B2JapanB2
EP0854751B1European Patent Office (EPO)B1
AT322938TThis recordAustriaT
ATE322938T1AustriaT1
DE69636038D1GermanyD1
PT854751EPortugalE
DK0854751T3DenmarkT3
ES2259796T3SpainT3
DE69636038T2GermanyT2