Champion Chemicals, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4910999 Method and apparatus for conducting fouling testsExpiredNov 14, 88Mar 27, 90[G01N]
4880609 Chelate catalyst system for H.sub.2 S removal from a gas streamExpiredNov 23, 88Nov 14, 89[C01B]
4216249 Method and means for coating the interior of a vertically disposed elongate hollow memberExpiredOct 11, 77Aug 05, 80[B05D]

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