USPatentGranted
B2

Method for manufacturing poly(ethyleneterephthalate) drawn fiber, poly(ethyleneterephthalate) drawn fiber and tire-cord

Granted 3 May 2016 · 2 office actions

Assignee: Kolon Industries, Inc.

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Inventors: Sung-Ho Park, Gi-Woong Kim, Il Chung · Examiner: Ana Woodward · AU 1765 · TC 1700

Life of the patent

3 dated events
⤢ drag to zoomJan 2013Jul 2013Jan 2014Jul 2014Jan 2015Jul 2015Jan 2016Jul 2016Prosecution
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Abstract

Disclosed are a method for manufacturing a drawn fiber, which is suitable for manufacturing a poly(ethylene terephthalate) drawn fiber showing superior strength and dimensional stability and having a high fineness of 2000 denier or more without breakage or reduction in physical properties during the manufacturing process, and a poly(ethylene terephthalate) drawn fiber and a tire-cord obtained therefrom.

Claims

3 · 1 independent · depth 2
123
3 granted claims

Classifications

9 codes
IPC · International Patent Classification
Section B — Performing operations; transporting
  • B60C9/00
Section D — Textiles; paper
  • D01D5/098
  • D01D5/08
  • D01D5/12
  • D02J1/22
  • D01F6/62
  • D02G3/48
  • D01F6/60
  • D01D10/02

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File wrapper

Pendency
3.6 y
1,316 days filing → grant
Office actions
1
after a restriction
Responses
2
no RCE
Examiner
Ana Woodward
art unit 1765 · TC 1700
Citations: 11 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20150211150 A130 Jul 2015

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Citations

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