US3792968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated diamino dihydroxy anthraquinones on a sublimation transfer member
Assignee: Novartis AG
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Filing: 1971-03-26
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Granted: 1974-02-19
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Expires: 1991-03-26
Abstract
Abstract Process for the printing textile materials of hydrophobic, synthetic polymers, wherein the textile material is printed to the transfer printing process with chlorintated 1,5-dihydroxy4,8-diaminoanthraquinone or a mixture of chlorinated and brominated 1,5-dihydroxy-4,8-diaminoanthraquinone and optionally with other dyestuffs and/or fluorescent whitening agents.
Inventors
- 👤 H Rickenbacher
- 👤 G Zwahlen
- 👤 J Markert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/003; D06P5/004; D06P5/006
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
9 words
Flat structures according to claim 1 consisting of paper.
Claim 2
Dependent Claim
17 words
Flat structures according to claim 1, which contain the dyestuff together with a cellulose ether or ester.
Claim 3
Dependent Claim
23 words
Flat structures according to claim 1, which contain the dyestuff at least partially in a phase that is soluble in an organic solvent.
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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |