C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/191, 402/205
C08G 63/60 (2006.01) C07C 45/46 (2006.01) C07C 45/67 (2006.01) C07C 49/83 (2006.01) C07C 49/84 (2006.01) C08G 63/672 (2006.01) C08G 63/68 (2006.01) C08G 63/682 (2006.01) D01F 6/84 (2006.01) D01F 6/86 (2006.01)
Patent
CA 1142688
ABSTRACT An aromatic polyester consisting essentially of (1) p-oxybenzoyl units or the 3-methyl- or 3-chloro- derivatives thereof; (2) 3,4'-dioxydiphenylether or 3,4'-dioxybenzophenone units or the 3'-methyl- or 3'- chloro- derivatives thereof or terephthaloyldi (3- methyl-4-oxybenzene) units; and (3) terephthaloyl units and filaments thereof.
360354
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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