Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent
1984-03-01
1985-02-26
Phynes, Lucille M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aldehyde or derivative thereof as reactant
430338, 524104, 524173, 524233, 525420, 525540, 528269, 528266, C08G 1208
Patent
active
045018766
ABSTRACT:
A poly(conjugated polymethine-type)dye which is the polycondensation reaction product in the presence of strong protic acid of an aromatic polyamine and a dicarbonyl compound. These polymers are useful in the fabrication of optical recording elements and in other electronic applications.
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E. I. Du Pont de Nemours and Company
Phynes Lucille M.
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