C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 229/38 (2006.01) C07C 229/34 (2006.01) C07D 233/36 (2006.01) C07D 251/04 (2006.01) C07D 273/01 (2006.01) C07D 295/155 (2006.01) C08F 8/32 (2006.01) C10L 1/14 (2006.01) C10L 1/2383 (2006.01) C10L 1/2387 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 1/24 (2006.01) C10L 1/30 (2006.01)
Patent
CA 2136672
Mannich condensation products prepared by the condensation of a compound having the formula: Image (A) wherein R is hydrogen, lower alkyl having 1 through 6 carbon atoms, hydroxy or lower alkoxy having 1 through 6 atoms; R1 is polyalkyl having an average molecular weight of about from 400 to 5000 and n is 0 or a whole integer of from 1 through 10 with ammonia, alkylamine, polyamine and an aldehyde. The condensation products and their fuel-soluble salts are useful as fuel additives for the prevention and control of engine deposits.
Chevron U.s.a. Inc.
Sim & Mcburney
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