Document ykEEMdyEQErkLbVKQ637KQXoE

E. I. DU PONT DE NEMOURS & COMPANY PIGMENTS DEPARTMENT 256 VANDERPOOL STREET NEWARK, NEW JERSEY Copy No. / NEWARK PLANT PIGMENT COLOR RESEARCH REPORT Progress Report RT-160-P - RT-531-0 PULP FORM FOR ARIDYE Period Covered: December 1943- ~ January 1942 FILE: DATE: 221 11-26-45 NJ3S99 Serial So. KB-45-74 Copy Bo. ^ Copy.to* #X Rumerleal File \ wmz2 Research Offtn '-221) 3 laperlel Chemmica.lwIndustries, a# e Ltd, \/v^>, V ^* Jt* <f f^>Jfjft ^e / ^3/* ( 7 S * i; Dawson, SewarR; -^ v vi BEWARE PLABT PIGMENT COLOR RESEARCH REPORT Progreso Report Title! RT-160-P - RT-531-D PULP FORM FOR ABIDES Period Covered* December 1941 - January 1942 SUBMITTED BE* ?* Chalupsfel DATE SUBMITTED* 11-2-45 / ' 'fay-./f <r APPROVED Bf* V. Chalupski / DATE ISSUED* 11-26-45 DUP050150819 2 - String the course of development work of RT-531-D la the semi-works, discussed ia Research Report 8-42-24$, as order for 4QO ibs. of this pigment la pulp fora was received from Aridye, Four semi-works batches were made sad shipped under the code Rf-ldQ-P after customer approved preshipmeat samples* Four semi-works batches, 120 lbs* dry weight each, were cheeklag lot 5189 (see Experimental Details la Research Report MM*-24$) and finished as approximately 40$ pulp. Bubouts la varnisshh of dried out samples of these four batches were all very close to ST-531-0 standard. Samples of pulp were shipped to Aridye; these, were >ved and all of the batches were shipped, fields estimated. This Item has s\ t because of curtailment of textile ting for I the war. iTj&b DETAILS See Development Section Data Book 088-45-20. r \ DUP050150820