Patent US3288551A successfully refreshed from Google Patents.
US3288551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the coloring of fiber blends of polyester and native or regenerated cellulose
Assignee: BASF Corp
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Filing: 1963-08-08
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Granted: 1966-11-29
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Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Raff Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:01
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/82; D06P3/8204; D06P3/8223; D06P3/8238; D06P3/8252; D06P1/00; D06P1/44; D06P1/60; D06P1/607; D06P1/6073; Y; Y10; Y10S; Y10S8/00; Y10S8/907; Y10S8/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A NEW COLORING PROCESS FOR MIXED TEXTILE MATERIALS COMPRISING FIBERS OF SYNTHETIC POLYMERIC LINEAR POLYESTER MATERIALS AND FIBERS OF POLYHYDROXYLATED MATERIALS, WHICH COMPRISES APPLYONG THERETO A COLORING COMPOSITION CONTAINING A DISPERSE DYE CAPABLE OF DYEING THE POLYESTER FIBER, A WATER-SOLUBLE REACTIVE DYE CONTAINING A REACTIVE GROUP CAPABLE OF REACTING WITH THE POLYHYDROXYLATED FIBER, AN ADDUCT OF ETHYLENE OXIDE AND HIGH MOLECULAR WEIGHT ALIPHATICH ALCOHOL CROSS-LINKED WITH A SUBSTITUTED ISOCYANATE, AND THE SALT OF AN AT LEAST DI-A-HALOGENATED LOWER ALKANOIC ACID AND SUBSEQUENTLY SUBJECTING THE FIBER TO THE ACTION OF HEAT IN ORDER TO FIX THE DYESTUFF ON THE FIBER BLEND.
Claim 2
Dependent Claim
100 words
A NEW COLORING PROCESS FOR MIXED TEXTILE MATERIALS COMPRISING FIBERS OF SYNTHETIC POLYMERIC LINEAR POLYESTER MATERIALS AND FIBERS OF POLYHYDROXYLATED MATERIALS, WHICH COMPRISES APPLYONG THERETO A COLORING COMPOSITION CONTAINING A DISPERSE DYE CAPABLE OF DYEING THE POLYESTER FIBER, A WATER-SOLUBLE REACTIVE DYE CONTAINING A REACTIVE GROUP CAPABLE OF REACTING WITH THE POLYHYDROXYLATED FIBER, AN ADDUCT OF ETHYLENE OXIDE AND HIGH MOLECULAR WEIGHT ALIPHATICH ALCOHOL CROSS-LINKED WITH A SUBSTITUTED ISOCYANATE, AND THE SALT OF AN AT LEAST DI-A-HALOGENATED LOWER ALKANOIC ACID AND SUBSEQUENTLY SUBJECTING THE FIBER TO THE ACTION OF HEAT IN ORDER TO FIX THE DYESTUFF ON THE FIBER BLEND.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |