Heavy fossil hydrocarbon conversion and upgrading using radio-frequency or microwave… Grant US-11268036-B2 United States of America 08 Mar 2022
Heavy fossil hydrocarbon conversion and upgrading using radio-frequency or microwave… Grant US-11021661-B2 United States of America 01 Jun 2021
Heavy fossil hydrocarbon conversion and upgrading using radio-frequency or microwave… Grant US-9862892-B2 United States of America 09 Jan 2018