Document 93a0RDyVBMZon8NBz4noRx40e

E. I. 0U PONT DE NEMOURS & COMPANY KREBS PIGMENTS DEPARTMENT 2S6 VANDERPOOL STREET NEWARK. NEW JERSEY Serial No. KN~48~15 Copy No. 1 Numerical File X \ NEWARK PLANT PIGMENT COLOR RESEARCH REPORT Final Report CPC LAKE, BF237D IHCM2ASSD BATCH SIZE M THE IROI BLUE UNIT Period Covered: MARCH JM70US7, 1944, FILE: DATE: 223*4 10/6/48 ^ ^ ^ Njtn N42164 _______ Copy to* 1 - Nuaarlcal Fila 2 - Research Offlot (223.4) 3 * Library Fila (223*4) 4 - #10 Building File 5 - V. Cfaslupski, Plant Files - H. F. Spengeaan, Henrark 7 - Extra Serial Ho. 0-48-15 Copy Ho* 1 HBWARK PLAMT PIGMEST COLOR RESEARCH REPORT Final Report CPC LAKE, BP-237-D ISCREASED BATCH SIZE IS THE XRQM SLOE tJHlT MARCH - AUGUST, 1944. CHARGE* 1100-12-21 (AIC-21) SUB1ITTEU Mt E* J. HESS APPROVED Mt J. 0. MORRISOH r fyvUfrto't BATE SUBMITTED* 7*1-48 BATE ISSUED* DUP050067002 Early In 1944 a series of BP-23?~b batches wars made to check the possibility of making this color at increased batch also In available equipment in the Iron Bine unit. miMJummsmk three batches were made during the course of the study as shown by the following tablet The basic formula used was the standard >1901 except for a 10# increase in the whiting extender* All three batches were of satisfactory quality and there were no processing difficulties encountered with the use of the iron blue equipment* Bote* Vats 209 and 313 are the component vats of the normal CPC unit. There is no patent restriction in the manufacture of CPC colors* This study has not resulted in any patentable developments* BP-23?>D - An approximate 19# extension of CPC on barium rosinate (6#) and whiting (75#)* CFC Copper phthalocyanine. BSN-48-10 . ^. DUP050067003