Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1990-12-17
1991-07-09
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528289, 528290, 528291, 528294, 528295, 528298, 528308, 5283086, 528377, 528392, 528403, 525421, 525425, 525426, 525427, 525445, C08G 63685, C08G 63688
Patent
active
050307088
ABSTRACT:
Provided are novel methine colorants derived from acetaldehyde, 1,3-dihydro-7-methoxycarbonyl-1,1,3-trimethyl-2H-benz[e]indol-2-ylidine and polyester compositions and concentrates having these colorants copolymerized therein. Also provided are novel intermediates useful for making the colorants.
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Coates, Jr. Clarence A.
Hilbert Samuel D.
Krutak James J.
Oldfield Terry A.
Parham William W.
Acquah Sam A.
Eastman Kodak Company
Graves, Jr. Bernard J.
Heath, Jr. William P.
Kight III John
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