Brevet US2632686 - PRODUCTION OF ARTIFICIAL THREADS

Brevet citant	Date de dépôt	Date de délivrance	Cessionnaire d'origine	Titre
US5449555	21 janv. 1994	12 sept. 1995	Rhone-Poulenc Rhodia Aktiengesellschaft	Cellulose acetate filaments, an optically isotropic spinning solution therefor, and use thereof for the production of filaments
US5662773	19 janv. 1995	2 sept. 1997	Eastman Chemical Company	Process for preparation of cellulose acetate filters for use in paper making
US5705631	15 déc. 1995	6 janv. 1998	Eastman Chemical Company	Laminar flow process of preparing cellulose diacetate fibers
US6184373	3 sept. 1999	6 févr. 2001	Eastman Chemical Company	Method for preparing cellulose acetate fibers

Brevets