Patent JPH0241473A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPH0241473A Expired / Lapsed JP ⏱️ 0.0 years remaining

Antimicrobial yarn using chitosan compound and production thereof

Assignee: TOCHIGI PREF GOV
•
Filing: 1988-07-26
•
Granted: —
•
Expires: 2008-07-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To obtain a safe antimicrobial yarn free from evolution of toxic substance resulting from bleaching, heating, etc., by crosslinking the surface of yarn with chitin, chitosan or a derivative compound thereof and bonding. CONSTITUTION:Chitin, chitosan and a derivative compound thereof (e.g., chitosan acetate) are dissolved in an aqueous solution, yarn containing at least one functional group of hydroxyl group, amino group and carboxyl group and the yarn is dried. The yarn after drying is immersed in an organic solvent and reacted with a polyisocyanate compound such as compound shown by formula I or formula II to give antimicrobial yarn having surface of yarn crosslinked with chitin, chitosan and the derivative compound thereof and bonded.

Inventors

  • 👤 Junichi Tajima
  • 👤 純一 田島
  • 👤 Katsumasa Tsuruya
  • 👤 鶴谷 勝正
  • 👤 Takeshi Yoshikawa
  • 👤 吉川 斌
  • 👤 Tsutomu Yashima
  • 👤 八嶋 務

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-09 13:59
CPC Classifications
—

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

JPS5493200A Cited
JPS62191579A Cited
JPS62191576A Cited
JPS62191580A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag