Substantive sunscreen agents

Details Substantive sunscreen agents Substantive sunscreen agents

1976-03-01

1981-03-17

Ore, Dale R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

424 59, 424 60, 424324, 564163, 564166, C07C10319, C07C10326, A61K 744

Patent

active

042566649

ABSTRACT:
Substantive sunscreen agents which are neutralized or quaternary ammonium salts of esters or amides of p-aminobenzoic acid, p-nitrobenzoic acid or salicylic acid with choline, lecithin, hydroxyalkyl-substituted imidazoles, 2,2-dialkylamino alkanols or alkylamines, pyridinesulfonamide, or colaminomethylformyl chloride; or omega halogenoalkylethers of salicylic acid quaternized with tertiary amines. This is a continuation of application Ser. No. 339,974 filed Mar. 12, 1973, which is a divisional application of Ser. No. 130,533, filed Apr. 1, 1971, both now abandoned.

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