ENVIRONMENTAL PROJECTS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0231,228 Low-insoluble sodium carbonate productionAbandonedSep 02, 04Oct 04, 07[C01D]
2003/0215,379 Calcining apparatus and process of useAbandonedMar 21, 03Nov 20, 03[B01J, C01D]
2003/0091,486 Calcining apparatus and process of useAbandonedOct 01, 02May 15, 03[F27B, B01J, C01D]
2003/0084,547 Sodium carbonate recrystallizationAbandonedJul 20, 01May 08, 03[C01D]
5736113 Method for beneficiation of tronaExpiredJan 11, 96Apr 07, 98[C22B, B03C, C01D]

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