Solvay Minerals acquired American Soda LLP on September 10, 2003 for an undisclosed price. The Parachute plant has suspended the nahcolite mining operation and the manufacturing of soda ash, but continues producing sodium bicarbonate.
Rio Tinto PLC is building a pilot operation in Kazan, Turkey to extract trona and refine it to soda ash. A commercial operation may follow.
Searles Valley Minerals ws founded in March 2004 to operate the Argus plant.
General Chemical Industrial Products emerged from Chapter 11 Bankruptcy on April 1, 2004.
Solvay SA and Nanjing Chemical Industries have sigend a letter of intent toward a joint venture in 2005 at NCI's Lianyungang plant.