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US3686019A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the manufacture of fibrous mixtures having superior antistatic characteristics

Assignee: Asahi Kogyo KK
•
Filing: 1969-10-23
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Granted: 1972-08-22
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Expires: 1989-10-23
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Abstract

Abstract A PROCESS FOR THE MANUFACTURE OF A FIBROUS MIXTURE HAVING SUPERIOR ANTISTATIC CHARACTERISTICS COMPRISING THE STEPS OF (1) SUBJECTING A FIBROUS MATERIAL TO DEPOSITION OF A NOBLE METAL CATALYST ON THE SURFACE OF SAID FIBROUS MATERIAL THEREBY SENSITIZING, CONDITIONING AND ACTIVATING SAID SURFACE, (2) DRYING THE CATALYST-DEPOSITED FIBROUS MATERIAL, (3) MIXING THE THUS CATALYST-DEPOSITED AND DRIED FIBROUS MATERIAL WITH A NON-CATALYZED FIBROUS MATERIAL FORMING A FIBROUS MIXTURE, (4) SUBJECTING SAID MIXTURE TO STRETCHING, SHRINKING, BULKING, TEXTURIZING, WEAVING, KNITTING, OILING OR DYEING, AND (5) SUBJECTING SAID MIXTURE TO A METAL-DEPOSITION TREATMENT IN A CHEMICAL BATH CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF SILVER, COPPER, NICKEL, TIN, PALLADIUM, COBALT, ZINC, CHROMIUM, AND GOLD, THEREBY DEPOSITING SAID METAL EXCLUSIVLEY ON THE FIBROUS MATERIAL IN SAID MIXTURE CONTAINING SAID DEPOSITED CATALYST, IS DISCLOSED.

Inventors

  • 👤 Toshio Ohfuka
  • 👤 Hideo Sato
  • 👤 Yasuo Uchida

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:53
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/04

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) 1975-08-22 1976-02-21 1976-08-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-22 1980-02-21 1980-08-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-22 1984-02-21 1984-08-22 $7700.00 Window Closed / Lapsed

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