The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2001
Filed:
Jul. 09, 1999
Applicant:
Inventors:
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/704 ; B32B 2/712 ; B32B 5/02 ;
U.S. Cl.
CPC ...
B32B 2/704 ; B32B 2/712 ; B32B 5/02 ;
Abstract
The present invention provides a durable hydrophilic fiber and fabric using said fiber having superior durable hydrophilicity being able to utilize preferably in the medical or hygienic material sections. The durable hydrophilic fiber of the invention can be obtained by applying 0.2 to 1.5% by weight of a fiber treating agent to a thermoplastic fiber based on the thermoplastic fiber. The fiber treating agent contains at least 40% by weight of a mixture comprising 80 to 20% by weight of (A) betaine ampho-ionic surface active agent and 20 to 80% by weight of (B) di-carboxylic acid ester compound from polyalkylene adduct of hydroxy-fatty acid ester.