<?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="EP0866822A1" file="EP96944233NWA1.xml" lang="en" doc-number="0866822" date-publ="19980930" kind="A1" country="EP" status="n" dtd-version="ep-patent-document-v1-4"><SDOBI lang="en"><B000><eptags><B001EP>..BE..DE................NL..........................................................................</B001EP><B003EP>*</B003EP><B007EP>EPregister to ST.36 EBD process v 1.0 kbaumeister@epo.org (15 Jan 2013)</B007EP></eptags></B000><B100><B110>0866822</B110><B130>A1</B130><B140><date>19980930</date></B140><B190>EP</B190></B100><B200><B210>96944233.0</B210><B220><date>19961205</date></B220><B240><B241><date>19980511</date></B241></B240><B250>en</B250><B251EP>en</B251EP><B260>en</B260></B200><B300><B310>19950572408</B310><B320><date>19951214</date></B320><B330><ctry>US</ctry></B330></B300><B400><B405><date>19980930</date><bnum>199840</bnum></B405><B430><date>19980930</date><bnum>199840</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>C08G  65/    20            A I                    </text></classification-ipcr><classification-ipcr sequence="2"><text>C08G  65/    26            A I                    </text></classification-ipcr><classification-ipcr sequence="3"><text>C08G  65/    30            A I                    </text></classification-ipcr></B510EP><B540><B541>en</B541><B542>PREVENTION OF GEL FORMATION DURING USE OF AND PRESERVING/REGENERATING ACTIVITY OF NAFION-TYPE POLYMERIZATION CATALYST</B542><B541>fr</B541><B542>PREVENTION DE LA FORMATION EN GEL PENDANT L'UTILISATION ET L'ACTIVITE CONSERVATRICE/REGENERATRICE D'UN CATALYSEUR DE POLYMERISATION DE TYPE NAFION</B542><B541>de</B541><B542>VERMEIDUNG VON GELBILDUNG WÄHREND VERWENDUNG UND DIE ERHALTUNG UND REGENIERUNG DER AKTIVITÄT VON NAFION POLYMERISIERUNGKATALYSATOREN</B542></B540></B500><B700><B710><B711><snm>E.I. DU PONT DE NEMOURS AND COMPANY</snm><adr><str>1007 Market Street</str><city>Wilmington Delaware 19898</city><ctry>US</ctry></adr></B711></B710><B720><B721><snm>SCHULTZ, James, A.</snm><adr><str>545 Pedricktown Road</str><city>Swedesboro, NJ 08085-1730</city><ctry>US</ctry></adr></B721><B721><snm>DORAI, Suriyanarayan</snm><adr><str>4019 Waterview Court</str><city>Missouri City, TX 77459-2309</city><ctry>US</ctry></adr></B721></B720><B740><B741><snm>R.A. KUHNEN &amp; P.A. WACKER</snm><adr><str>Patentanwaltsgesellschaft mbH Alois-Steinecker-Strasse 22</str><city>85354 Freising</city><ctry>DE</ctry></adr></B741></B740></B700><B800><B840><ctry>BE</ctry><ctry>DE</ctry><ctry>NL</ctry></B840><B860><B861><dnum><anum>US1996019354</anum></dnum><date>19961205</date></B861><B862>en</B862></B860><B870><B871><dnum><pnum>WO1997021755</pnum></dnum><date>19970619</date><bnum>199726</bnum></B871></B870></B800></SDOBI></ep-patent-document>