| abstract |
EMPLOYMENT OF POLYARYL CARBONIC ACIDS AND THEIR DERIVATIVES OF THE GENERAL FORMULA I IN WHICH THE VARIABLES HAVE THE FOLLOWING MEANINGS: AR MAY BE A REST OF PHENYL, BIPHENYL OR NAPHYLTH WHICH MAY BE SUBSTITUTED BY ONE TO THREE GROUPS. , ALCOXIDE GROUPS OF 1 TO 4 CARBONS, HYDROXYL GROUPS, FENOXY GROUPS, AMINO GROUPS, WHICH CAN BE SUBSTITUTED SIMPLY OR DOUBLE BY RENTING GROUPS OF 1 TO 4 CARBONS, SIMPLY BY SUITE SUITE SUITE, OR DIFFERENT, R HIGH 1 MAY BE HYDROGEN, A CATION OF ALKALINE METAL OR AMMONIUM, A RENT GROUP OF 1 TO 20 CARBONS OR A RENTAL GROUP OF 1 TO 20 CARBONS, R (SQUARE) A RENT GROUP OF 1 TO 8 CARBONS R ELEVATED 3 AR ELEVATED 7 HYDROGEN OR A RENT GROUP OF 1 TO 4 CARBONS AND N 0 O 1 AS LIGHT PROTECTORS IN COSMETIC PREPARATIONS. |