US3226178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing and aftertreating polyethylene oxide modified nylon fibers
Assignee: EIDP Inc
•
Filing: 1962-10-31
•
Granted: 1965-12-28
•
Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Walker Isaac Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67333; D06P1/67341; D06P3/00; D06P3/02; D06P3/04; D06P3/24; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S8/00; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS COMPRISING THE STEPS OF: IMMERSING A TEXTILE ARTICLE COMPRISED OF PEO-MODIFIED NYLON FIBERS IN A DYE BATH CONTAINING AN ACID DYESTUFF; BOILING SAID BATH TO DYE THE ARTICLE; AND BOILING THE DYED ARTICLE IN AN AQUEOUS BATH CONTAINING AT LEAST ABOUT 1% OWY OF THE SODIUM SALT OF AN UNSATURATED LONG CHAIN ALCOHOL SULFATE AND AT LEAST ABOUT 1% OWY OF A WATER-SOLUBLE CUPRIC SALT, SAID AQUEOUS BATH HAVING A PH OF LESS THAN ABOUT 8.5.
Claim 2
Dependent Claim
78 words
A PROCESS COMPRISING THE STEPS OF: IMMERSING A TEXTILE ARTICLE COMPRISED OF PEO-MODIFIED NYLON FIBERS IN A DYE BATH CONTAINING AN ACID DYESTUFF; BOILING SAID BATH TO DYE THE ARTICLE; AND BOILING THE DYED ARTICLE IN AN AQUEOUS BATH CONTAINING AT LEAST ABOUT 1% OWY OF THE SODIUM SALT OF AN UNSATURATED LONG CHAIN ALCOHOL SULFATE AND AT LEAST ABOUT 1% OWY OF A WATER-SOLUBLE CUPRIC SALT, SAID AQUEOUS BATH HAVING A PH OF LESS THAN ABOUT 8.5.
References Cited (Backward Citations)
US2671081A
Cited
US2205722A
Cited
US2345533A
Cited
US2510777A
Cited
US2673200A
Cited
US2887462A
Cited
GB839456A
Cited
US2885392A
Cited
US2922692A
Cited
GB862577A
Cited
GB861354A
Cited
US3057845A
Cited
US3005251A
Cited
US3051696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |