Method of moisturizing the skin with carbamide acid esters

Details Method of moisturizing the skin with carbamide acid esters Method of moisturizing the skin with carbamide acid esters

1980-11-14

1983-05-10

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Recombinant or stably-transformed bacterium encoding one or...

252110, 424 59, 424 73, 424167, 424359, A61K 742, A61K 715, A61K 4700

Patent

active

043827659

ABSTRACT:
Skin-care, skin-protection, and skin-cleaning agent compositions containing as a skin-moisturizing agent at least one substituted carbamide acid ester, said substituted carbamide acid ester having the formula ##STR1## wherein R.sub.1 is a member selected from the group consisting of an alkyl radical, having 1 to 4 carbon atoms, alkylol having 2 to 4 carbon atoms and alkyldiol having 3 to 4 carbon atoms, R.sub.2 is a hydroxyalkyl having 2 to 6 carbon atoms and having 1 to 5 hydroxyl groups, or R.sub.2, together with R.sub.1, is an alkylene having 2 to 4 carbon atoms in its chain, which is optionally substituted by lower alkyl and/or lower hydroxyalkyl radicals, and R.sub.3 is a member selected from the group consisting of hydrogen, alkyl having 1 to 4 carbon atoms and hydroxyalkyl having 2 to 4 carbon atoms, or an N-alkenyl polymer of the above cyclic carbamide acid ester, where R.sub.1 and R.sub.2 are alkylene and R.sub.3 is alkenyl having 2 to 4 carbon atoms, as well as a process for protecting the skin utilizing this composition.

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patent: 2831858 (1958-04-01), de Benneville et al.
patent: 2844589 (1958-07-01), Hess
patent: 3049492 (1962-08-01), De Groote et al.
patent: 3065130 (1962-11-01), Walles

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