US2524811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing plastic articles with an aqueous dispersion of dye dissolved in a plasticizer
Assignee: Interchemical Corp
•
Filing: 1946-09-20
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Granted: 1950-10-10
•
Expires: 1966-09-20
Abstract
No abstract record available.
Inventors
- 👤 Louis F Koberlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/62; D06P1/621; D06P1/622; D06P1/626; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/008; D06P5/00; D06P5/13; D06P5/138; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/10; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A STABLE DYE LIQUOR FOR THE DYEING OF PLASTIC ARTICLES LONG IN AT LEAST TWO DIMENSIONS, COMPRISING THE DISPERSION OF A DYE LIQUOR CONCENTRATE CONSISTING OF A DYE NORMALLY INSOLUBLE IN WATER, A WATER-IMMISCIBLE SOLVENT FOR THE DYE, CHARACTERIZED BY CAUSING A SWELLING OF THE PLASTIC ARTICLE AND THE REACTION PRODUCT OF A SULFONATED OIL WITH AN ALKYLOLAMINE, IN A DILUENT CONSISTING OF AN AQUEOUS SOLUTION OF SODIUM PHOSPHATE AND SODIUM NITRITE.
Claim 2
Dependent Claim
72 words
A STABLE DYE LIQUOR FOR THE DYEING OF PLASTIC ARTICLES LONG IN AT LEAST TWO DIMENSIONS, COMPRISING THE DISPERSION OF A DYE LIQUOR CONCENTRATE CONSISTING OF A DYE NORMALLY INSOLUBLE IN WATER, A WATER-IMMISCIBLE SOLVENT FOR THE DYE, CHARACTERIZED BY CAUSING A SWELLING OF THE PLASTIC ARTICLE AND THE REACTION PRODUCT OF A SULFONATED OIL WITH AN ALKYLOLAMINE, IN A DILUENT CONSISTING OF AN AQUEOUS SOLUTION OF SODIUM PHOSPHATE AND SODIUM NITRITE.
References Cited (Backward Citations)
US1799821A
Cited
US1884068A
Cited
US1968819A
Cited
US2121021A
Cited
US2188160A
Cited
US2156442A
Cited
US2347508A
Cited
US2328903A
Cited
GB539673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |