Process for treating polyamide containing articles to enhance their moulding stability

U.S. Patent Number: 5322525

Abstract: A process is disclosed for treating polyamide fiber containing materials which process comprises applying a benzofuran-2-one compound to the material in order to enhance its moulding stability. In addition, compositions containing a fluorescent whitening agent and a benzofuran-2-one, and optionally one or more dyes, are disclosed.

Inventors: Rembold; Manfred (Aesch, CH), Eckhardt; Claude (Riedisheim, FR), Nesvadba; Peter (Marly, CH)

Assignee: Ciba-Geigy Corporation (Ardsley, NY)

Application Number: 07/969,617

Issued: 1994-06-21

Expired: 2006-06-21

Classes: 8/578 ; 549/305; 549/307; 8/551; 8/552; 8/567; 8/648; 8/920; 8/924; 8/925

Field of search: 8/578,924,925,920,551,552,567,648

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