Main > DERMATOLOGY > Acne Vulgaris > Treatment > Retinoid > Tretinoin. > NonGeneric Tretinoin > NonGeneric Tretinoin Cream > Patent. > Claims > Claim 1: Topical Compn. Comprise > (a) Retinoic Acid for Acne Vulgaris > Treat & (b) Urethane MW<60,000 & > Prepd from 2 Moles Hydroxy-Ended > Linear Alkylene & 1 Mole of

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Linear Alkylene & 1 Mole of's subsections
Monomeric Organic DiIsocyanate

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