Poly-meta-phenylene isophthalamides
United States Patent 3287324
US Patent References:
Preparation of polyamides
- - 2244192
Neutral esters of dicarboxylic acid orthophosphoric acid mixed anhydrides and condensation polymerization process utilizing the same
- - 2625536
Process for preparing polyamides
- - 2831834
Preparation of polyamides
- - 2244192
Neutral esters of dicarboxylic acid orthophosphoric acid mixed anhydrides and condensation polymerization process utilizing the same
- - 2625536
Process for preparing polyamides
- - 2831834
Inventors:
Wilfred, Sweeny
Publication Date:
11/22/1966
View Patent Images:
Export Citation:
Assignee:
Pont DU.
Primary Class:
Other Classes:
528/342, 524/879, 528/183, 524/607, 188/251A, 528/208, 528/186, 524/606
International Classes:
C08G69/32; C08G69/00