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US3097043A Expired / Lapsed US ⏱️ 0.0 years remaining

New dyeing process

Assignee: —
•
Filing: —
•
Granted: 1963-07-09
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Expires: 1980-07-09
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 01:53
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/58; D06P3/60; D06P3/66; D06P1/00; D06P1/44; D06P1/653; D06P3/02; D06P3/04; D06P3/24; D06P3/241; D06P3/82; D06P3/8204; D06P5/00; D06P5/20; D06P5/2066; D06P5/2077; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/927

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 105 words
A PROCESS FOR DYEING NITROGEN-CONTAINING SYNTHETICPOLYMERIC TEXTILE MATERIALS SELECTED FROM THE CLASS CONSISTING OF SYNTHETIC LINEAR POLYAMIDES AND MODIFIED POLYACRYLONITRILE TEXTILE MATERIALS, WHICH PROCESS COMPRISES DYEING SAID SYNTHETIC POLYMERIC TEXTILE MATERIAL WITH AN AQUEOUS DISPERSION O A DISPERSE REACTIVE DYESTUFF AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ACID AND ACID SALT, AND HAVING A PH IN THE RANGE OF BETWEEN ABOUT 3 AND 5, AND SUBSEQUENTLY, DURING THE DYEING PROCESS, ADDING TO SAID DISPERSION A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALKALI AND ALKALINE SALT, TO RAISE THE PH THEREOF TO WITHIN THE RANGE OF BETWEEN ABOUT 9 AND 12.
Claim 2
Dependent Claim 105 words
A PROCESS FOR DYEING NITROGEN-CONTAINING SYNTHETICPOLYMERIC TEXTILE MATERIALS SELECTED FROM THE CLASS CONSISTING OF SYNTHETIC LINEAR POLYAMIDES AND MODIFIED POLYACRYLONITRILE TEXTILE MATERIALS, WHICH PROCESS COMPRISES DYEING SAID SYNTHETIC POLYMERIC TEXTILE MATERIAL WITH AN AQUEOUS DISPERSION O A DISPERSE REACTIVE DYESTUFF AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ACID AND ACID SALT, AND HAVING A PH IN THE RANGE OF BETWEEN ABOUT 3 AND 5, AND SUBSEQUENTLY, DURING THE DYEING PROCESS, ADDING TO SAID DISPERSION A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALKALI AND ALKALINE SALT, TO RAISE THE PH THEREOF TO WITHIN THE RANGE OF BETWEEN ABOUT 9 AND 12.

References Cited (Backward Citations)

US2895785A Cited
US2900218A Cited
US2952506A Cited
US2903442A Cited
US2914531A Cited
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US2944870A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-08 1967-01-07 1967-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-08 1971-01-07 1971-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-08 1975-01-07 1975-07-09 $7700.00 Window Closed / Lapsed

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