Cyano- and carboxy-substituted spirodilactams

Details Cyano- and carboxy-substituted spirodilactams Cyano- and carboxy-substituted spirodilactams

1990-08-15

1991-08-06

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528229, 528323, 528324, 528341, 528344, C08G 6926

Patent

active

050379488

ABSTRACT:
A novel class of cyano-, cyanoalkyl-, carboxy- or carboxyalkylaryl-substituted 1,6-diaza [4.4] spirodilactams, having a cyano-, cyanoalkyl-, carboxy- or carboxyalkylaryl substituent attached to each spiro ring nitrogen atom, are useful for the preparation of polyesters and polyamides.

REFERENCES:
patent: 4595745 (1986-06-01), Nakano et al.
patent: 4800231 (1989-01-01), Wang
patent: 4844834 (1989-07-01), Dellinger
patent: 4847388 (1989-07-01), Wang
patent: 4866155 (1989-12-01), Mueller et al.
patent: 4927906 (1990-05-01), Wang

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