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US3551401A Expired / Lapsed US ⏱️ 0.0 years remaining

Easily dyeable polyolefin composition

Assignee: Asahi Kasei Corp
•
Filing: 1967-06-29
•
Granted: 1970-12-29
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Expires: 1987-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Yoshisato Fujisaki
  • 👤 Itsuho Aishima
  • 👤 Noboru Fukuma
  • 👤 Atsuo Nakanishi
  • 👤 Kenichi Matsui
  • 👤 Tsukasa Shima
  • 👤 Chiyouzi Nakai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:45
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K13/00; C08K13/02; C08K3/00; C08K3/10; C08K3/105; C08L; C08L23/00; C08L23/02; C08L23/10; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K3/26; C08K3/34; C08L2203/00; C08L2203/12; C08L35/00; C08L35/06; C08L39/00; C08L39/04; C08L39/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-28 1974-06-29 1974-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-28 1978-06-29 1978-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-28 1982-06-29 1982-12-29 $7700.00 Window Closed / Lapsed

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