C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/202
C10G 19/02 (2006.01) C10G 25/00 (2006.01) C10G 29/06 (2006.01) C10G 53/08 (2006.01) C10G 67/02 (2006.01) C10M 175/00 (2006.01)
Patent
CA 1174630
Abstract of the Disclosure A novel method for purifying used oil comprising removing ash forming components and then vacuum fractionating the oil.
399620
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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