SOCIETY OF COSMETIC CHEMISTS OF GREAT BRITAIN 509 SYMPOSIUM ON GUMS AND THICKENERS A Symposium on Gums and Thickeners organised by the Society of Cosmetic Chemists of Great Britain, will be held at the Randolph Hotel, Oxford, from 13th-15th October 1969. Participation is permitted only when application has been made on the appropriate form, and the requisite fee duly paid. This is f12 for each participant who is a member of one of the Societies of Cosmetic Chemists affiliated to the I.F.S.C.C. The registration fee for non- members is •15. Registration forms giving all details are available from the General Sec- retary, Society of Cosmetic Chemists of Great Britain, 56 Kingsway, London, W.C.2. The closing date for registrations is 25th September 1969. The papers to be presented are as follows:- "The non-Newtonian flow of systems of relatively low consistency." G. V• r. ScoTT BLAre, M.A., D.Sc., F.R.I.C., F. Inst. P. (Oxford Haemophilic Centre). "Use of cellulose ethers and vinyl ether maleic anhydride co-polymers as thickening agents." J. OGG, B.Sc., Ph.D., R. S. McKeE, B.Sc., and N.M. MoRss, B.Sc. (I.C.I. Ltd., Nobel Division) "Dextrans and related compounds as thickeners in pharmaceuticals and cosmetics." G. EMBR•NG (Medisan A.B., Sweden) "Coacervation, microencapsulation and microencapsulated products." Dr. G. J. LEEUW (I. F.F. (Nederland) N. V., Hilversum, Holland). "A group of alkali-thickenable methacrylate co-polymer emulsions." E. V. GULBEK•AN, M.Sc. (Vinyl Products Ltd., London) "Recent advances in the chemistry of acacia gums". D. M. W. ANDERSON, D.Sc., Ph.D., F.R.I.C. and I. C. M. DEA, B.Sc., Ph.D. (University of Edinburgh and University of Stirling) "Hydrocolloids and dentifrices." C. A. WATSON, B.Sc. (Unilever Ltd.) "The mixing characteristics of Newtonian and viscolatic systems". J. M. SMITH, M.Sc., C.Eng., A.M.I.Chem. E. (University College of Swansea) "A review of some gums and thickeners employed in cosmetic formulations." ANNE E. YOUNG, B.Pharm., M.P.S., L.R.I.C. (Rosanne Products Ltd.) "Laponite clay--a synthetic inorganic gelling agent." ]BARBARA S. NEUMANN, Ph.D. and K. G. SANSOM, B.Sc., PH.D. (Laporte Industries Ltd.) "The role and selection of gums and thickeners for use in suspensions and emulsions." A. C. CARTWRIGHT, B.Sc., M.P.S. (Cyanamid of Great Britain Ltd.) "New reactions of propylene glycolalginate". R. H. McDOWELL (A lginate Industries Ltd., London) "Guar gum and its applications." R. J. CnUDZ•KOWSKI, Dipl.Ing. Chem. (Rimreel International Ltd., Ashford) "Some applications of rigidity and yield values in a study of gelatine-Laponite gels." Prof. J. E. CARLESS, B.Pharm., M.Sc., Ph.D., F.P.S., J. OCRAN and J. R. N•XON, B.Pharm., Ph.D., M.P.S. (Chelsea College of Science and Technology, London) PROGRAMME 13th October 14.00 Symposium starts, papers until 17.00. Dinner 20.00 14th October Papers 09.00-12.30. Lunch. Papers 14.15-17.00. Banquet 20.00 15th October Papers 09.00-12.30.

510 JOURNAL OF TIlE SOCIETY OF COSMETIC CItEMISTS FUTURE SYMPOSIA The following Symposia have been arranged and offers of papers should be sent to the Society's office. Date April 1970 November 1970 Spring 1971 November 1971 Spring 1972 Localion Eastbourne Bournemouth Subject "Perfumery" "Cleansing" "Appendages of the skin" "Cosmetics and climate" "Effects of cosmetics"