| abstract |
THERE IS PROVIDED A PROCESS FOR PREPARING SELF-EMULSIFYING OR EMOLLIENT AGENTS COMPRISING REACTING FROM ABOUT 1 MOLE OF AZELAIC ACID WITH FROM ABOUT 1 TO ABOUT 1.25 MOLES OF A C12-18 FATTY ALCOHOL TO FORM AN AZELAIC MONOESTER HAVING THE GENERAL FORMULA I-IV: (FORMULA I-IV) WHEREIN R IS A C12-18 FATTY ALCOHOL, AND THE PRODUCT CONTAINS FROM ABOUT 40 TO ABOUT 50 WEIGHT PERCENT OF (I), FROM ABOUT 50 TO ABOUT 60 WEIGHT PERCENT OF (II), FROM ABOUT 1 TO ABOUT 2 WEIGHT PERCENT OF (III), AND FROM ABOUT 0 TO ABOUT 1 WEIGHT PERCENT OF (IV), ALL WEIGHTS BEING BASED ON THE WEIGHT OF SAID SELF-EMULSIFYING OR EMOLLIENT AGENT. |