US2760841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing of mixed cellulose derivative-
Assignee: —
•
Filing: —
•
Granted: 1956-08-28
•
Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:06
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54; Y; Y10; Y10S; Y10S8/00; Y10S8/904; Y10S8/908; Y10S8/912; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/921; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR THE UNION DYEING OF TEXTILE MATERIALS CONTAINING BOTH WOOL AND AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANIC DERIVATIVE OF CELLULOSE AND FIBER-FORMING LINEAR POLYESTER MATERIALS WHICH COMPRISES IMMERSING SAID TEXTILE MATERIALS IN AN AQUEOUS DYEBATH CONTAINING A WOOL DYESTUFF, A CELLULOSE ACETATE DISPERSE DYESTUFF, FROM ABOUT 0.5 TO 2.0 GRAMS PER LITER OF A SULFONATED NAPHTHALENE-FORMALDEHYDE CONDENSATION PRODUCT AND FROM ABOUT 0.5 TO 2.0 GRAMS PER LITER OF A NON-IONIC DISPERSING AGENT, AND TREATING THE DYED TEXTILE MATERIAL WITH AN AQUEOUS BATH CONTAINING A SULFONATED NAPHTHALENE-FORMALDEHYDE CONDENSATION PRODUCT AND SOAP.
Claim 2
Dependent Claim
97 words
A PROCESS FOR THE UNION DYEING OF TEXTILE MATERIALS CONTAINING BOTH WOOL AND AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANIC DERIVATIVE OF CELLULOSE AND FIBER-FORMING LINEAR POLYESTER MATERIALS WHICH COMPRISES IMMERSING SAID TEXTILE MATERIALS IN AN AQUEOUS DYEBATH CONTAINING A WOOL DYESTUFF, A CELLULOSE ACETATE DISPERSE DYESTUFF, FROM ABOUT 0.5 TO 2.0 GRAMS PER LITER OF A SULFONATED NAPHTHALENE-FORMALDEHYDE CONDENSATION PRODUCT AND FROM ABOUT 0.5 TO 2.0 GRAMS PER LITER OF A NON-IONIC DISPERSING AGENT, AND TREATING THE DYED TEXTILE MATERIAL WITH AN AQUEOUS BATH CONTAINING A SULFONATED NAPHTHALENE-FORMALDEHYDE CONDENSATION PRODUCT AND SOAP.
References Cited (Backward Citations)
CA388270A
Cited
US1483797A
Cited
US1534019A
Cited
GB273819A
Cited
GB365170A
Cited
DE646001C
Cited
US2107898A
Cited
US2310074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |