Bis(.beta.-carboxyethyl)isobutyl, sec. butyl and t-butyl...

Details Bis(.beta.-carboxyethyl)isobutyl, sec. butyl and t-butyl... Bis(.beta.-carboxyethyl)isobutyl, sec. butyl and t-butyl...

C - Chemistry, Metallurgy

07

F

402/224, 260/506

C07F 9/53 (2006.01) C08G 69/42 (2006.01) C08G 79/04 (2006.01)

Patent

CA 1239651

TITLE OF THE INVENTION BIS(.beta.-CARBOXYETHYL)ISOBUTYL, SEC. BUTYL AND T-BUTYL PHOSPHINE OXIDE AND POLYAMIDES CONTAINING THE SAME ABSTRACT OF THE DISCLOSURE The compounds bis (.beta.-carboxyethyl)isobutyl phos- phine oxide, bis (.beta.-carboxyethyl) sec. butyl phosphine oxide and bis(.beta.-carboxyethyl-t-butyl phosphine oxide and their use as components in the production of fiber-forming polyamides, fibers produced from said polyamides and a method for the production of various bis (carboxyalkyl) alkyl phosphine oxides are disclosed.

476607

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