Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1978-07-18
1980-09-16
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
260 334R, 260 334P, 4284769, 528229, 528321, 528327, 528330, 528331, 528342, 528349, C08G 6914
Patent
active
042231272
ABSTRACT:
Transparent copolyamides obtained by polycondensing a lactam or a corresponding amino acid, an aliphatic and/or aromatic dicarboxylic acid and a mixture of hydrogenated condensation products of aniline and formaldehyde.
REFERENCES:
patent: 3598789 (1971-08-01), Tippetts
patent: 3703595 (1972-11-01), Falkenstein
patent: 3847877 (1974-11-01), Nielinger et al.
Dhein Rolf
Meyer Rolf-Volker
Rudolph Hans
Anderson Harold D.
Bayer Aktiengesellschaft
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