OCCIDENTIAL ELECTROCHEMICALS CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4697043 Perchloroethylene dielectric fluid containing aliphatic hydrocarbonsExpiredOct 01, 86Sep 29, 87[H01B]
4425749 Furnace lining moduleExpiredDec 14, 81Jan 17, 84[E04B]
4386189 Process for the post-chlorination of vinyl chloride polymersExpiredMay 05, 81May 31, 83[C08F]
4380682 Balanced chlorination processExpiredFeb 22, 82Apr 19, 83[C07C]
4354900 Strengthened fiberous electrochemical cell diaphragm and a method for makingExpiredDec 01, 80Oct 19, 82[C25B]
4347568 Occupational health/environmental surveillanceExpiredDec 07, 78Aug 31, 82[G06F]
4322251 Method and apparatus for vapor treatment of metalsExpiredMay 14, 80Mar 30, 82[B08B, C23G]
4310451 Free flowing rigid PVC resin powder compositionsExpiredOct 25, 79Jan 12, 82[C08K]
4293433 Perchloroethylene dielectric fluid containing pyrrole and phenolExpiredJun 02, 80Oct 06, 81[H01B]
4268310 Dental compositions of improved propertiesExpiredApr 28, 80May 19, 81[B28B]

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