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:
Dec. 07, 1999
Filed:
Feb. 12, 1998
Yoshiyuki Matoba, Matsuyama, JP;
Hironori Gouda, Matsuyama, JP;
Mikio Tashiro, Matsuyama, JP;
Reizo Abe, Osaka, JP;
Masaaki Sumi, Ooda, JP;
Teijin Limited, Osaka, JP;
Abstract
Hollow polyester fibers having a thickness of 0.11 to 8.89 d tex (0.1 to 8.0 denier), a hollow volume (a cross-sectional area ratio of hollow to fiber) of 40 to 85%, and a crystallization degree of 20% or more and crystal size in (0 1 0) plane of 4 nm or more of polyester, has a high resistance to compression and a high recovery from compression and are useful for producing woven and knitted fabric having a high durability, pile sheet materials having high resistance to and recovery from pile prostration, and nonwoven fabrics and artificial leather materials having a high resistance and recovery from compression.