US3184284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye-pad, hot-chemical-treatment dyeing process
Assignee: EIDP Inc
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Filing: 1963-04-11
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Granted: 1965-05-18
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Kissa Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:34
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/58; D06P3/60; D06P3/66; D06P3/663; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR APPLYING FIBER-REACTIVE DYES WHICH CONTAIN A 2,3-DICHLORO-6-QUINOXALINECARBONYLAMINO GROUP TO CELLULOSIC MATERIALS WHICH PROCESS CONSISTS ESSENTIALLY OF THE FOLLOWING STEPS: (1) THE CELLULOSIC MATERIAL IS PADDED WITH SAID FIBERREACTIVE DYE FROM AN AQUEOUS SOLUTION OF SAID DYE, SAID SOLUTION BEING MAINTAINED AT A PH OF FROM 6 TO 7.8; (2) THE RESULTING DYE-PADDED MATERIAL IS THEN TREATED FOR AT LEAST FIVE SECONDS WITH AN AQUEOUS ALKALINE LIQUOR CONSISTING ESSENTIALLY OF FROM 2 TO 15 G./1. OF SODIUM HYDROXIDE AND 200 TO 300 G./1. OF ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF NACL AND NA2SO4, THE TEMPERATURE OF SAID LIQUOR BEING 160* TO 218*F.; (3) THE DYED FABRIC OF STEP (2) IS THEN WASHED.
Claim 2
Dependent Claim
115 words
A PROCESS FOR APPLYING FIBER-REACTIVE DYES WHICH CONTAIN A 2,3-DICHLORO-6-QUINOXALINECARBONYLAMINO GROUP TO CELLULOSIC MATERIALS WHICH PROCESS CONSISTS ESSENTIALLY OF THE FOLLOWING STEPS: (1) THE CELLULOSIC MATERIAL IS PADDED WITH SAID FIBERREACTIVE DYE FROM AN AQUEOUS SOLUTION OF SAID DYE, SAID SOLUTION BEING MAINTAINED AT A PH OF FROM 6 TO 7.8; (2) THE RESULTING DYE-PADDED MATERIAL IS THEN TREATED FOR AT LEAST FIVE SECONDS WITH AN AQUEOUS ALKALINE LIQUOR CONSISTING ESSENTIALLY OF FROM 2 TO 15 G./1. OF SODIUM HYDROXIDE AND 200 TO 300 G./1. OF ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF NACL AND NA2SO4, THE TEMPERATURE OF SAID LIQUOR BEING 160* TO 218*F.; (3) THE DYED FABRIC OF STEP (2) IS THEN WASHED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |