US3097043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New dyeing process
Assignee: —
•
Filing: —
•
Granted: 1963-07-09
•
Expires: 1980-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:41
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)
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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) | 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 |