Asahi Kasei

The Solvay process, patented in 1861, converts salt and limestone to sodium carbonate (soda ash) using ammonia. This replaced the Leblanc process and became the dominant method for making soda ash for glass, soap, and paper industries.

LyondellBasell is a top global producer of polyethylene and polypropylene. Metocene metallocene-catalyzed PP resins deliver precise molecular control for medical syringes, food packaging, and automotive components.

Umicore's automotive catalytic converters treat exhaust from over a billion vehicles. Battery cathode materials serve major EV makers. Also recover cobalt, nickel, lithium from spent batteries.