INTERMEDIATES FOR HAIR COLORS 151 It has been shown that the formation of a precipitate in a base solu- tion may be caused by impurities, other than iron, present in the nitro intermediates being used. The impurities which are responsible for the formation o[ the precipitate can be effectively removed by a recrystalliza- tion of the nitro intermediate. (Received June 18, 1970) REFERENCES (1) Tucker, H. H., Hair dycing with oxidation dye intermediates, J. Soc. Cosmet. Chem., 18, 609 (1967). (2) Goldemberg, R. L., and Tucker, H. H., Effect of base components on the properties of oxidation hair dyes, Ibid., 19, 423 (1968). (3) Griffin, K. P., and Peyerson, W. D., Org. Syn., 21, 20 (1941). (4) Burgdorf, K., U.S. Patent 3,187,048 (1965). (5) Clairol Incorporated, British Patent 1,187,534 (1970) (6) Bil, Milos $., Canadian Patent 839,716 (1970). (7) Bil, Milos S., Canadian Patent 839,717 (1970). (8) Heinrich, B., German Patent 258,059 (1913). (9) Aktiengesellschaft fur Anilin-Fabrikation, German Patent 165,650 (1906). (10) Fiat Final Rept., No. 1313, Office of military government (U.S.) for Ge•Tnany, German Dyestuffs and Dyestuff Intermediates, 1,203 (1948). (11) Hartsman, W. W., and Silloway, H. L., Org. Syn., 25, 5 (1945).

152 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Society of Cosmetic Chemists Award Sponsored by International Flavors and Fragrances, Inc. The 1969 Society of Cosmetic Chemists Award sponsored by Inter- national Flavors and Fragrances, Inc., has been presented to Dr. Leszek J. Wolfram of the Gillette Research Institute for his paper "Modifica- tion of Hair by Internal Deposition of Polymers" and to Dr. A. Bernard Ackerman of the University of Miami School of Medicine and Dr. Albert M. Kligman of the University of Pennsylvania Dept. of Derma- tology for their paper "Some Observations on Dandruff." The award, consisting of a scroll and a $1000 honorarium, is pre- sented annually to the author or authors of the most meritorious paper published in the Jou•tN^I. or TI-IE SOC•F,T¾ Or COSMF, VIC CI-IF, M•SVS, U.S.A. Formal presentation was made by the Society's President, Mr. Charles Fox, Warner Lambert Research Institute, at the December 1st luncheon session during the Society's annual meeting at the Americana Hotel (New York City). ........ .:.:'.::•:,•:• .............. •,:,i• ......... .. • •(%•'.x.•5•.L..•,' .½• •,'.,:,,,•',• '*•?•%• • •J d•,,:: ?•.•:? •!'• •'.*•,.•:2•5.qTJg•5./•?•i: .... Le[t to right: Dr. Leszek J. Wolfrmn, the Society's President Mr. Charles Fox, Dr. A. Ber- nard Ackennan, and Dr. Albert M. Kligman