US2546168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsions of water-insoluble organic acid-fading inhibitors dissolved in water-insoluble organic solvents
Assignee: Celanese Corp
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Filing: 1948-07-03
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Granted: 1951-03-27
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Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 William J Hart
- 👤 Victor S Salvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:14
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; C; C09; C09K; C09K23/00; C09K23/017; D06P5/00; D06P5/02; D06P5/04; D06P5/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04; Y10S516/05; Y10S8/00; Y10S8/907; Y10S8/908; Y10S8/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
PROCESS FOR IMPROVING THE FASTNNESS OF COLORATIONS ON DYED ORGANIC DERIVATIVE OF CELLULOSE TEXTILE. MATERIAL TO ACID FADING, WHICH COMPRISES TREATING SAID DYED ORGANIC DERIVATIVE OF CELLULOSE TEXTILE MATERIAL WITH A STABLE EMULSION COMPRISING A DISPERSION IN WATER OF A SOLUTION IN A WATERINSOLUBLE ORGANIC SOLVENT OF A WATER-INSOLUBLE ORGANIC ACID FADING INHIBITING AGENT, SAID EMULSION BEING FORMED BY DISSOLVING A PLURALITY OF DISPERSING AGENTS IN THE ORGANIC SOLVENT EMPLOYED, AT LEAST ONE OF WHICH DISPERSING AGENTS IS A WATERSOLUBLE ANIONIC SURFACE ACTIVE AGENT AND ONE A WATER-INSOLUBLE BUT OIL-SOLUBLE NON-IONIC SURFACE ACTIVE AGENT, ADDING THE INHIBITING AGENT THERETO, DISSOLVING IT THEREIN AND DISPERSING THE RESULTING ORGANIC SOLUTION IN WATER.
Claim 2
Dependent Claim
110 words
PROCESS FOR IMPROVING THE FASTNNESS OF COLORATIONS ON DYED ORGANIC DERIVATIVE OF CELLULOSE TEXTILE. MATERIAL TO ACID FADING, WHICH COMPRISES TREATING SAID DYED ORGANIC DERIVATIVE OF CELLULOSE TEXTILE MATERIAL WITH A STABLE EMULSION COMPRISING A DISPERSION IN WATER OF A SOLUTION IN A WATERINSOLUBLE ORGANIC SOLVENT OF A WATER-INSOLUBLE ORGANIC ACID FADING INHIBITING AGENT, SAID EMULSION BEING FORMED BY DISSOLVING A PLURALITY OF DISPERSING AGENTS IN THE ORGANIC SOLVENT EMPLOYED, AT LEAST ONE OF WHICH DISPERSING AGENTS IS A WATERSOLUBLE ANIONIC SURFACE ACTIVE AGENT AND ONE A WATER-INSOLUBLE BUT OIL-SOLUBLE NON-IONIC SURFACE ACTIVE AGENT, ADDING THE INHIBITING AGENT THERETO, DISSOLVING IT THEREIN AND DISPERSING THE RESULTING ORGANIC SOLUTION IN WATER.
References Cited (Backward Citations)
US1803008A
Cited
US1690481A
Cited
US1883351A
Cited
US1723271A
Cited
US1914945A
Cited
US2416380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |