US2543718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad dyeing
Assignee: Interchemical Corp
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Filing: 1947-04-30
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Granted: 1951-02-27
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Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 Norman S Cassel
- 👤 Alfred T Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:00
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A TEXTILE-DYEING COMPOSITION COMPRISING A DISPERSION OF A WATER-INSOLUBLE FILM-FORMING ELASTOMER AND A WATER-INSOLUBLE PIGMENT IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE HEAT-PRECIPITABLE ALKYL CELLULOSE SELECTED FROM THE GROUP CONSISTING OF METHYL CELLULOSE AND ETHYL CELLULOSE, THE AMOUNT OF THE ELASTOMER BEING BETWEEN 0.25 AND 3% BY WEIGHT AND THAT OF THE ALKYL CELLULOSE BETWEEN 0.05 AND 0.15% BY WEIGHT, THE MAJOR PROPORTION OF THE ELASTOMER PARTICLES HAVING A DIAMETER OF 0.5 MICRON OR LESS.
Claim 2
Dependent Claim
75 words
A TEXTILE-DYEING COMPOSITION COMPRISING A DISPERSION OF A WATER-INSOLUBLE FILM-FORMING ELASTOMER AND A WATER-INSOLUBLE PIGMENT IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE HEAT-PRECIPITABLE ALKYL CELLULOSE SELECTED FROM THE GROUP CONSISTING OF METHYL CELLULOSE AND ETHYL CELLULOSE, THE AMOUNT OF THE ELASTOMER BEING BETWEEN 0.25 AND 3% BY WEIGHT AND THAT OF THE ALKYL CELLULOSE BETWEEN 0.05 AND 0.15% BY WEIGHT, THE MAJOR PROPORTION OF THE ELASTOMER PARTICLES HAVING A DIAMETER OF 0.5 MICRON OR LESS.
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) | 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 |