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E. I. DU PONT DE NEMOURS & COMPANY
KREBS PIGMENTS DEPARTMENT 256 YANDERPOOL STREET NEWARK. NEW JERSEY
Copy No. 1
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NEWARK PLANT PIGMENT COLOR RESEARCH REPORT
RT-463-D. PLANT DEVELOPMENT Period Covered: Sept. 194-5 to April) 194-6
FILE: DATE:
10/16/4-6
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NJ6270
N39964
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HERARK PLANT PIGMENT COLOR RESEARCH REPORT
Pinal Report Title* RT-463-D. PUNT DSmCHWHf Period Covered* Sept* 1945 to April* 1946
DATE SUBUITTED* 10/7/46 OATS ISSUED * 10/16/46
N39964.01
DUP050150146
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PIGMENTS DEPARTMENT
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Prior to September, 1945, mi Magr foraula for KT-463-0 via
written, and a atandard approval. Plant auparriaian at that time demurred at
a--teal beeauae of a largo atoak of aab-ataadard. fhia raport
batehea made after atandardisatiea, until tha plant aooaptod eontrol. 91m preeaaa
la deaerlbad in KN-46-39.
Batches her* oovered were made with only cureory development eeotion supervision. All were aada on tha K~2251 formula. Rather wide variations in aaaatone, from light to dark, were evident, bu\ ainea of atandard depth mere readily aada*
The plant assumed control aa of April 18, 1944,
aurora, d e t a il s
Detail* ef the hatehea can be found in D88-4&-39* Refereneaei
RT-463-D, K-2251, formula and notes.
KN-46-39* D8B 45-98.
DSN - 45-38.
Glossary* KT-463-D* Tobies aeid Bota-naphthel, roainated. Barium salt.
DUP050150148
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