<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE ep-patent-document PUBLIC "-//EPO//EP PATENT DOCUMENT 1.4//EN" "ep-patent-document-v1-4.dtd"><ep-patent-document id="EP0537140A1" file="EP90909740NWA1.xml" lang="en" doc-number="0537140" date-publ="19930421" kind="A1" country="EP" status="n" dtd-version="ep-patent-document-v1-4"><SDOBI lang="en"><B000><eptags><B001EP>AT....DE....FRGB..IT......SE........................................................................</B001EP><B003EP>*</B003EP><B007EP>EPregister to ST.36 EBD process v 1.0 kbaumeister@epo.org (15 Jan 2013)</B007EP></eptags></B000><B100><B110>0537140</B110><B130>A1</B130><B140><date>19930421</date></B140><B190>EP</B190></B100><B200><B210>90909740.0</B210><B220><date>19900705</date></B220><B240><B241><date>19921105</date></B241></B240><B250>en</B250><B251EP>en</B251EP><B260>en</B260></B200><B400><B405><date>19930421</date><bnum>199316</bnum></B405><B430><date>19930421</date><bnum>199316</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>B01D  39/    00            A I                    </text></classification-ipcr><classification-ipcr sequence="2"><text>B01D  39/    18            A I                    </text></classification-ipcr><classification-ipcr sequence="3"><text>D21F   1/    00            A I                    </text></classification-ipcr><classification-ipcr sequence="4"><text>D21F   1/    02            A I                    </text></classification-ipcr><classification-ipcr sequence="5"><text>D21F   1/    20            A I                    </text></classification-ipcr><classification-ipcr sequence="6"><text>D21F   1/    66            A I                    </text></classification-ipcr><classification-ipcr sequence="7"><text>D21F   9/    02            A I                    </text></classification-ipcr><classification-ipcr sequence="8"><text>D21F  11/    04            A I                    </text></classification-ipcr><classification-ipcr sequence="9"><text>D21F  11/    14            A I                    </text></classification-ipcr></B510EP><B540><B541>en</B541><B542>METHOD AND APPARATUS FOR MANUFACTURING MULTILAYER FILTER MATERIAL</B542><B541>fr</B541><B542>PROCEDE ET APPAREIL DE FABRICATION D'UN MATERIAU FILTRANT MULTICOUCHE</B542><B541>de</B541><B542>VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES MEHRLAGIGEN FILTERMATERIALS</B542></B540></B500><B700><B710><B711><snm>A. AHLSTROM CORPORATION</snm><adr><str>PL 18</str><city>SF-48601 Karhula</city><ctry>FI</ctry></adr></B711></B710><B720><B721><snm>MEINANDER, Paul, Olof</snm><adr><str>Bolagsgränden 2</str><city>SF-02700 Grankulla</city><ctry>FI</ctry></adr></B721></B720><B740><B741><snm>Gilmour, David Cedric Franklyn, et al</snm><adr><str>POTTS, KERR &amp; CO. 15 Hamilton Square</str><city>Birkenhead Merseyside L41 6BR</city><ctry>GB</ctry></adr></B741></B740></B700><B800><B840><ctry>AT</ctry><ctry>DE</ctry><ctry>FR</ctry><ctry>GB</ctry><ctry>IT</ctry><ctry>SE</ctry></B840><B860><B861><dnum><anum>FI1990000176</anum></dnum><date>19900705</date></B861><B862>en</B862></B860><B870><B871><dnum><pnum>WO1992001114</pnum></dnum><date>19920123</date><bnum>199203</bnum></B871></B870></B800></SDOBI></ep-patent-document>