US2952506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for even and level dyeing of filament nylon fabrics
Assignee: Solutia Inc
•
Filing: 1956-08-24
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Granted: 1960-09-13
•
Expires: 1976-08-24
Abstract
No abstract record available.
Inventors
- 👤 Dimitri D Dellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/655; D06P1/66; D06P1/64; D06P1/642; D06P1/6426; D06P3/00; D06P3/02; D06P3/04; D06P3/24; Y; Y10; Y10S; Y10S8/00; Y10S8/90; Y10S8/907; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR EVENLY DYEING POLYCARBONAMIDE TEXTILE ARTICLES WHICH COMPRISES DYEING THE ARTICLE IN AN AQUEOUS ACIDIC DYEBATH CONTAINING AN ANIONIC DYESTUFF SELECTED FROM THE GROUP CONSISTING OF DIRECT DYES, ACID DYES ACID METALLIZED DYES, AND MORDANT ACID DYES, AND FROM ONE TO TEN TIMES THE WEIGHT OF THE DYESTUFF OF A SUBSTITUTED IMIDAZOLINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A SALT OF AN IMIDAZOLINE HAVING THE GENERAL FORMULA.
Claim 2
Dependent Claim
71 words
A PROCESS FOR EVENLY DYEING POLYCARBONAMIDE TEXTILE ARTICLES WHICH COMPRISES DYEING THE ARTICLE IN AN AQUEOUS ACIDIC DYEBATH CONTAINING AN ANIONIC DYESTUFF SELECTED FROM THE GROUP CONSISTING OF DIRECT DYES, ACID DYES ACID METALLIZED DYES, AND MORDANT ACID DYES, AND FROM ONE TO TEN TIMES THE WEIGHT OF THE DYESTUFF OF A SUBSTITUTED IMIDAZOLINE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A SALT OF AN IMIDAZOLINE HAVING THE GENERAL FORMULA.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |