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US3700402A Expired / Lapsed US ⏱️ 0.0 years remaining

Resist printing under reactive dye with alkali hydroxy methane sulfonate or amino and amido methane sulfonate

Assignee: Meisei Chemical Works Ltd
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Filing: 1970-06-29
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Granted: 1972-10-24
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Expires: 1990-06-29
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Abstract

Abstract A RESIST PROCESS FOR DYEING FIBERS BY PRINTING ON A FIBER A RESISTING AGENT SUCH AS AN ALKALI HYDROXY METHANE SULFONATE OR A SUBSTANCE CAPABLE OF PRODUCING AN ALKALI HYDROXY METHANE SULFONATE FOLLOWED BY TREATMENT WITH A REACTIVE DYE AND SUBSEQUENT DYE FIXING TREATMENT.

Inventors

  • 👤 Masajiro Noda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 04:23
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/12; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/918; Y10S8/92; Y10S8/921

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) 1975-10-24 1976-04-24 1976-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-24 1980-04-24 1980-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-24 1984-04-24 1984-10-24 $7700.00 Window Closed / Lapsed

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