<?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="EP0527847A1" file="EP91909034NWA1.xml" lang="en" doc-number="0527847" date-publ="19930224" kind="A1" country="EP" status="n" dtd-version="ep-patent-document-v1-4"><SDOBI lang="en"><B000><eptags><B001EP>ATBECHDEDKESFRGBGRITLILUNLSE........................................................................</B001EP><B003EP>*</B003EP><B007EP>EPregister to ST.36 EBD process v 1.0 kbaumeister@epo.org (15 Jan 2013)</B007EP></eptags></B000><B100><B110>0527847</B110><B130>A1</B130><B140><date>19930224</date></B140><B190>EP</B190></B100><B200><B210>91909034.0</B210><B220><date>19910417</date></B220><B240><B241><date>19921019</date></B241></B240><B250>en</B250><B251EP>en</B251EP><B260>en</B260></B200><B300><B310>19900510146</B310><B320><date>19900417</date></B320><B330><ctry>US</ctry></B330></B300><B400><B405><date>19930224</date><bnum>199308</bnum></B405><B430><date>19930224</date><bnum>199308</bnum></B430></B400><B500><B510EP><classification-ipcr sequence="1"><text>G02B   1/    04            A I                    </text></classification-ipcr><classification-ipcr sequence="2"><text>G02B   5/    23            A I                    </text></classification-ipcr><classification-ipcr sequence="3"><text>G03C   1/   005            A I                    </text></classification-ipcr></B510EP><B540><B541>en</B541><B542>PHOTOCHROMIC POLYMER MEMBRANE</B542><B541>fr</B541><B542>MEMBRANE POLYMERE PHOTOCHROMIQUE</B542><B541>de</B541><B542>PHOTOCHROME POLYMERMEMBRAN</B542></B540></B500><B700><B710><B711><snm>WASSERMAN, Nelson</snm><adr><str>32 Pickwick Road</str><city>West Newton, MA 02165</city><ctry>US</ctry></adr></B711></B710><B720><B721><snm>WASSERMAN, Nelson</snm><adr><str>32 Pickwick Road</str><city>West Newton, MA 02165</city><ctry>US</ctry></adr></B721><B721><snm>REID, Jerome, L.</snm><adr><str>59 Old Sudbury Road</str><city>Wayland, MA 01778</city><ctry>US</ctry></adr></B721><B721><snm>DO, Pauline</snm><adr><str>130 Wiswall Road</str><city>Newton, MA 02159</city><ctry>US</ctry></adr></B721></B720><B740><B741><snm>Feldkamp, Rainer, Dipl.-Ing.</snm><adr><str>Patentanwälte Wallach, Koch, Dr. Haibach, Feldkamp Postfach 12 11 20</str><city>D-80035 München</city><ctry>DE</ctry></adr></B741></B740></B700><B800><B840><ctry>AT</ctry><ctry>BE</ctry><ctry>CH</ctry><ctry>DE</ctry><ctry>DK</ctry><ctry>ES</ctry><ctry>FR</ctry><ctry>GB</ctry><ctry>GR</ctry><ctry>IT</ctry><ctry>LI</ctry><ctry>LU</ctry><ctry>NL</ctry><ctry>SE</ctry></B840><B860><B861><dnum><anum>US1991002634</anum></dnum><date>19910417</date></B861><B862>en</B862></B860><B870><B871><dnum><pnum>WO1991016644</pnum></dnum><date>19911031</date><bnum>199125</bnum></B871></B870></B800></SDOBI></ep-patent-document>