US3418063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing and printing cellulose fibres
Assignee: BASF Schweiz AG
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Filing: 1965-07-12
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Granted: 1968-12-24
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Paul
- 👤 Schaub Heinz Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:26
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/653; D06P1/64; D06P1/642; D06P1/649; D06P1/6491; D06P1/6492; D06P1/6494; D06P3/00; D06P3/58; D06P3/60; D06P3/6033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
PROCESS FOR COLORING CELLULOSIC-POLYESTER FIBER BLENDS COMPRISING IMPREGNATING THE FIBRES WITH AN AQUEOUS PREPARATION CONTAINING DYESTUFFS AT THE MOST TRACES OF WHICH ARE SOLUBLE IN WATER AND 10-30%, CALCULATED ON THE WEIGHT OF THE WHOLE PREPARATION, OF AT LEAST ONE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
44 words
PROCESS FOR COLORING CELLULOSIC-POLYESTER FIBER BLENDS COMPRISING IMPREGNATING THE FIBRES WITH AN AQUEOUS PREPARATION CONTAINING DYESTUFFS AT THE MOST TRACES OF WHICH ARE SOLUBLE IN WATER AND 10-30%, CALCULATED ON THE WEIGHT OF THE WHOLE PREPARATION, OF AT LEAST ONE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2928712A
Cited
US2930670A
Cited
US3138430A
Cited
GB340572A
Cited
GB747622A
Cited
GB846505A
Cited
FR1273670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |