C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/27
C10L 1/22 (2006.01) C10L 1/26 (2006.01)
Patent
CA 1306868
ABSTRACT OF THE DISCLOSURE Amine salts of orthophosphoric acid or its ester, when dissolved in unleaded gasoline in an effective amount, reduce the erosion of non-hardened exhaust valve seats in automotive engines operating on said gasoline. The preferred salts are the amine salts of branched chain primary alkyl acid esters of orthophosphoric acid.
539572
Croudace Michael C.
Howland Ward W.
Fetherstonhaugh & Co.
Tosco Corporation
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