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. 19, 1994
Filed:
Aug. 20, 1992
Applicant:
Inventors:
Kiyoshi Hirakawa, Kurashiki, JP;
Kazuhiko Tanaka, Kurashiki, JP;
Masao Kawamoto, Kurashiki, JP;
Tomoyasu Tsuda, Kurashiki, JP;
Assignees:
Kuraray Co., Ltd., Okayama, JP;
Yunitika Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
428373 ; 428229 ; 524503 ; 525 57 ; 525 58 ;
Abstract
Fibers composed of a vinyl alcohol unit-containing polymer, or composite fibers, yarns or fiber products composed of the phase of the vinyl alcohol unit-containing polymer and the other fiber-forming polymer phase are acetalized with at least one of aldehyde compounds represented by the formulas,