Studiecentrum voor Kernenergie, "S.C.K",BRUSSELS,,BE STUDIENGESELLSCHAFT KOHLE MBH,STUDIENGESELLSCHAFT KOHLE MBH,MUELHEIM AN DER RUHR,,DE STUDIENGESELLSCHAFT KOHLE MBM,Studiengesellschaft Kohle MBM,MULHEIM AN DE RUHR,,DE STUDIER F WILLIAM,"STUDIER, F. WIL

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5587047 Method for separating boric acidExpiredSep 08, 95Dec 24, 96[G21F, B01D]
5468347 Method for separating boric acidExpiredJun 16, 94Nov 21, 95[G21F, B01D]
4714533 Electrolyser for highly-active tritiated waterExpiredApr 18, 86Dec 22, 87[C25B]
4701194 Gas-treating deviceExpiredFeb 13, 86Oct 20, 87[B01D]
4566430 Sun heating equipmentExpiredMar 17, 83Jan 28, 86[F24J]
4552134 Equipment for determining the position of a metal body in a medium with low electric conductivityExpiredJun 10, 83Nov 12, 85[A61B]
4461683 Method for separating iodine in solid form, from an acid mercury salt solutionExpiredNov 13, 81Jul 24, 84[C25C]
4376066 Method for preparing a catalyst for an isotopic exchange columnExpiredJul 21, 81Mar 08, 83[B01J, B01D]
4313807 Method for enriching a gaseous isotopic mixture with at least one isotopeExpiredApr 03, 79Feb 02, 82[B01D]
4253936 Method of preparing a membrane consisting of polyantimonic acid powder and an organic binderExpiredMar 13, 80Mar 03, 81[C25B, H01M]

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