Phenolic benzothiazole derivatives and their use as corrosion in

Details Phenolic benzothiazole derivatives and their use as corrosion in Phenolic benzothiazole derivatives and their use as corrosion in

1990-09-14

1991-12-03

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252391, 252394, 252402, 252405, C10M13536

Patent

active

050698052

ABSTRACT:
Compounds of the formula I ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meaning given in claim 1 are formed by thermal rearrangement of the isomers of formula V ##STR2## especially in the presence of basic catalysts. The compounds are corrosion inhibitors for organic materials, in particular coating materials and lubricants. In these substrates they also act as antioxidants and light-stabilizers and are very stable to heat.

REFERENCES:
patent: 4289886 (1981-09-01), D'Amico
patent: 4427436 (1984-01-01), D'Amico
patent: 4915858 (1990-04-01), Salamon
patent: 4931196 (1990-06-01), Payne et al.

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