C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/8401
C08G 73/08 (2006.01) C08L 79/06 (2006.01) C09K 3/00 (2006.01)
Patent
CA 1060641
ABSTRACT This invention relates to novel film and fiber- firming polyhydrazide solutions (dopes) which are prepared in a solvent system comprising aqueous organic bases. Some dopes of this invention are optically anisotropic. - 1 -
236058
E.i. Du Pont de Nemours And Company
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