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US3617170A
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Process for dyeing and printing polyester textile materials with arlactone dyes and mixtures of azlactone dyes
Assignee: BASF SE
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Filing: 1969-11-10
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Granted: 1971-11-02
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Expires: 1989-11-10
Abstract
Abstract Process for dyeing synthetic polyester textile material with dyes of the azlactone series in fast and brilliant yellow shades.
Inventors
- 👤 Guenter Hansen
- 👤 Hans-Richard Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:43
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/0066; C07; C07D; C07D263/00; C07D263/02; C07D263/30; C07D263/34; C07D263/36; C07D263/42; D; D06; D06P; D06P1/00; D06P1/16; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A process as claimed in claim 1 wherein the azlactone dye has the formula:
Claim 2
Dependent Claim
17 words
A process as claimed in claim 1 wherein the dye is a mixture of the azlactone dyes.
References Cited (Backward Citations)
US3449329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |