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:
Oct. 15, 1991
Filed:
Nov. 15, 1989
Shinji Yamaguchi, Kurashiki, JP;
Katsura Maeda, Kurashiki, JP;
Masami Ohta, Takatsuki, JP;
Masao Kawamoto, Kurashiki, JP;
Kuraray Co., Ltd., Kurashiki, JP;
Abstract
Provided is an artificial hair made of a copolyester comprising polyethylene terephthalate copolymerized with an improving compound represented by ##STR1## in an amount of 1 to 8 mol %, which can be headset for giving shapes such as curls or waves at a low temperature causing no migration or sublimation of disperse dyes, the shapes thus given being kept stably. Also provided is a process for producing such artificial hair, which can by employment of specific techniques keep the dry heat shrinkage at 170.degree. C. of the obtained artificial hair below 10%. Then the resulting artificial hair exhibits good operatability of the heatsetting procedure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile