Document YDNMRRJz0035JB0B3zOyeOjgD

001 Mr. P. B. Hanrahan Dr. V. B. Aokart Mr. J. C* Fryman ? October 29* 1998 ; Dr. Paul 0. Lauffor Dlrootor of Research Norths* Warren Corporation Barry Place Stamford* Connecticut Rot "Bakelite" Vinyl Butyral Realn XTHL Dear Dr* Lauffers I have boon requested to write to you regarding this realn which Z am Informed you propose to use In a fingernail polish formulation. Coatings from vinyl butyral resins have been used In applications where they came In oontaot with the skin. A Military Specification has been written for waterproof bed sheets which specified vinyl butyral resins. In addition* a report by Dr. A. J. Lehman* Chief* Division of Pharmacology* Pood and Drug Administration* re printed from the QUARTERLY BULLETIN OP THS ASSOCIATION OP POOD AND DRUQ OFFICIALS OP TUI UNITED STATES, Vol. XX* No. 4* October* 1956* lists polyvinyl butyral resins as aeoeptable for food packaging. Prom this Information we believe It la safe to assume that "Bakellte" vinyl butyral realn XTHL Is extremely Inert physiologically and would not be expected to act as a skin Irritant or skin sensltlxer. As a manufacturer of nail preparations* you are aware of the mechanical effects of complete oocluslon of the nail surface with some materials which are completely imper vious. Ve would assume that your company would establish uco 063211 UC U.2 INTERNAL C RRE3PONDENCR BAKELITE COMPANY To (Nan*) Company Location Dr* T. V. Nals 60 E. Il2lld St. ROOD 920 30 EAST 42nd STREET, NEW YORK 17, NEW YORK Data October 28, 1958 Originating Oopt. copy to Mr. j. c. Fryman Subjod This latter la being written in reference to our phone conver sation today. Dr. Paul 0. Lauffer, Director of Research at the Northern Warren Corporation, Barry Place, Stamford, Connecticut, has requested us to make a statement on the effect of vinyl butyral resin XTHL when in contact with the skin. Dr. Lauffer's company plans to use XIHL in a fingernail polish formu lation so their concern is understandable. After consulting the information available in the office here. X believe we can make the following statements to Dr. Laufferi Coatings from vinyl butyral resins have been used in applica tions where they came in contact with the skin, A Military Specification has been written for waterproof bed sheets which specified vinyl butyral resins. In addition a report by A. J. Lehman, Chief, Division of Pharmacology, Food and Drug Administration, reprinted from ASSOCIATION OF FOOD AND DRUG OFFICIALS OF THE UNITED STATES, Vol. XX No. U, October 1956j lists polyvinyl butyral resins as acceptable for food packaging. From this information we believe it is safe to assume that Bakelite Vinyl Butyral Resin XXHL is extremely inert physiologically and would not mot- as a skin irritant or Wv skin sensitizer. is above statement will satisfy Dr. Lauffer. It would be appreciated if a carbon copy of this letter could be sent to Hr. J. C. Fryman at the Larchmont Office of the Bakelite Company as Mr. Fryman will be handling this account. Mr. fTyman's address 1st 1877 Palmer Avenue Larchmont, New fork We appreciate your willingness to supply this information to Dr. Lauffer. F UCC 063212 Dr. Paul . Lauff r 2 Oatobar 89# 1990 tho ufitj la um for your final protfutt eontalnln, Z7UL, Our lUtMMat naturally applies only to IYHL Itaol: ary truly yours, ThoMS W. Salt, N. D. wh MEDICAL DUUECTOP ucc 063213