US2543316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing textile materials made from
Assignee: —
•
Filing: —
•
Granted: 1951-02-27
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:14
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/70; D06P3/02; D06P3/04; D06P3/24; D06P3/74; D06P5/00; D06P5/20; D06P5/2066; D06P5/2077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
PROCESS FOR IMPROVING THE WASH FASTNESS AND CROOK FASTNESS OF FILAMENTS, YARNS, FARBICS AND OTHER TEXTILE ARTICLES MADE FROM A VINYL HALIDEACRYLONITRILE COPOYLMER RESIN WHICH HAS BEEN TREATED WITH A DYESTUFF FOR WHICH SUCH RESIN HAS A LOW AFFINITY, WHICH COMPRISES HEATING SUCH TEXTILE ARTICLE AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF MOISTURE AND UNDER A PRESSURE RANGING FROM ATMOSPHERIC PRESSURE TO AROUND TWENTY POUNDS PER SQUARE INCH, SAID TEMPERATURE BEING WITHIN THE RANGE FROM 105* C. TO AROUND 125* C. WHEN THE MOISTURE IS UNDER SUPERATMOSPHERIC PRESSURE IN THE FORM OF AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF STEAM AND HOT WATER, AND RANGING FROM AROUND 125* C. TO 150* C. WHEN THE MOISTURE IS IN THE FROM OF SUPERHEATED STEAM ATT ATMOSPHERIC PRESSURE, THE TIME OF HEATING VARYING INVERSELY WITH THE TEMPERATURE, THEREBY PROVIDING A DYED ARTICLE OF EXCELLENT WASH FASTNESS AND CROCK FASTNESS.
Claim 2
Dependent Claim
149 words
PROCESS FOR IMPROVING THE WASH FASTNESS AND CROOK FASTNESS OF FILAMENTS, YARNS, FARBICS AND OTHER TEXTILE ARTICLES MADE FROM A VINYL HALIDEACRYLONITRILE COPOYLMER RESIN WHICH HAS BEEN TREATED WITH A DYESTUFF FOR WHICH SUCH RESIN HAS A LOW AFFINITY, WHICH COMPRISES HEATING SUCH TEXTILE ARTICLE AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF MOISTURE AND UNDER A PRESSURE RANGING FROM ATMOSPHERIC PRESSURE TO AROUND TWENTY POUNDS PER SQUARE INCH, SAID TEMPERATURE BEING WITHIN THE RANGE FROM 105* C. TO AROUND 125* C. WHEN THE MOISTURE IS UNDER SUPERATMOSPHERIC PRESSURE IN THE FORM OF AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF STEAM AND HOT WATER, AND RANGING FROM AROUND 125* C. TO 150* C. WHEN THE MOISTURE IS IN THE FROM OF SUPERHEATED STEAM ATT ATMOSPHERIC PRESSURE, THE TIME OF HEATING VARYING INVERSELY WITH THE TEMPERATURE, THEREBY PROVIDING A DYED ARTICLE OF EXCELLENT WASH FASTNESS AND CROCK FASTNESS.
References Cited (Backward Citations)
US2080254A
Cited
GB445345A
Cited
US2232460A
Cited
US2420565A
Cited
US2468081A
Cited
US2461621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |