Fuel compositions containing polyalkylated 1,3,4-thiadiazoles

Details Fuel compositions containing polyalkylated 1,3,4-thiadiazoles Fuel compositions containing polyalkylated 1,3,4-thiadiazoles

1990-05-17

1991-11-05

Willis, Jr., Prince

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

548141, 548142, C10L 500

Patent

active

050628631

ABSTRACT:
A diesel fuel composition comprising a major portion of middle distillates and a minor wear improving amount of a 1,3,4-thiadiazole derived from 2,5-dimercapto-1,3,4-thiadiazole and one or two moles of polyolefin having 50 to 400 carbon atoms. Furthermore, the 5-position of the 2-mercapto-1,3,4-thiadiazole may be substituted by alkylthio, 2-hydroxyalkylthio, amino or hydroxy group. The 1,3,4-thiadiazole compounds are also effective dispersants when incorporated into fuel compositions.

REFERENCES:
patent: 2719125 (1955-09-01), Roberts
patent: 2719126 (1955-09-01), Fields et al.
patent: 2850453 (1958-09-01), Fields
patent: 4432847 (1984-02-01), Fields
patent: 4790948 (1988-12-01), Liu et al.
patent: 4904403 (1990-02-01), Karol
patent: 4964880 (1990-10-01), Schilowitz et al.

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