US2515170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad dyeing
Assignee: Interchemical Corp
•
Filing: 1947-01-27
•
Granted: 1950-07-18
•
Expires: 1967-01-27
Abstract
No abstract record available.
Inventors
- 👤 Norman S Cassel
- 👤 Alfred T Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:03
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A DYEING COMPOSITION COMPRISING A DISPERSION OF A WATER-INSOLUBLE PIGMENT IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE THERMOSETTING RESIN, A WATER-SOLUBLE HEAT-PRECIPITABLE ALKYL CELLULOSE, AND A HYDROPHILIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE NONHEAT-PRECIPITABLE CELLULOSE ETHERS AND MANNOGALACTAN FLOURS CONTAINING A MAJOR PROPORTION OF MANNOGALACTAN, THE PROPORTION OF THE THERMOSETTING RESIN BEING BETWEEN 0.5 AND 10% BY WEIGHT BASED ON TOTAL COMPOSITION, THAT OF THE HEAT-PRECIPITABLE ALKYL CELLULOSE BETWEEN 0.02 AND 0.25% BY WEIGHT BASED ON TOTAL COMPOSITION, AND THAT OF THE HYDROPHILIC SUBSTANCE BETWEEN 0.25 AND 3% BY WEIGHT BASED ON TOTAL COMPOSITION.
Claim 2
Dependent Claim
96 words
A DYEING COMPOSITION COMPRISING A DISPERSION OF A WATER-INSOLUBLE PIGMENT IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE THERMOSETTING RESIN, A WATER-SOLUBLE HEAT-PRECIPITABLE ALKYL CELLULOSE, AND A HYDROPHILIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE NONHEAT-PRECIPITABLE CELLULOSE ETHERS AND MANNOGALACTAN FLOURS CONTAINING A MAJOR PROPORTION OF MANNOGALACTAN, THE PROPORTION OF THE THERMOSETTING RESIN BEING BETWEEN 0.5 AND 10% BY WEIGHT BASED ON TOTAL COMPOSITION, THAT OF THE HEAT-PRECIPITABLE ALKYL CELLULOSE BETWEEN 0.02 AND 0.25% BY WEIGHT BASED ON TOTAL COMPOSITION, AND THAT OF THE HYDROPHILIC SUBSTANCE BETWEEN 0.25 AND 3% BY WEIGHT BASED ON TOTAL COMPOSITION.
References Cited (Backward Citations)
US2245491A
Cited
US2275991A
Cited
US2270180A
Cited
US2336484A
Cited
US2370517A
Cited
US2378322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |