Dow and Johnson Matthey Davy Technologies License LP Oxo Technology to PetroChina
| By Gerald Ondrey
Johnson Matthey Davy Technologies (JM Davy; London, U.K. www.davyprotech.com) and The Dow Chemical Company (Midland, Mich.; www.dow.com) announced that PetroChina Guangdong Petrochemical Co., a subsidiary of PetroChina Company Ltd. (PetroChina), China’s…