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Patent US2761789A successfully refreshed from Google Patents.
US2761789A
Expired / Lapsed
US
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Printing paste for textiles
Assignee: Sandoz AG
•
Filing: 1954-04-29
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Granted: 1956-09-04
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Expires: 1974-04-29
Abstract
No abstract record available.
Inventors
- 👤 Locher Arthur
- 👤 Durst Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:57
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PRINTING PASTE FOR TEXTILE MATERIALS AND THE LIKE, COMPRISING AN INTERMEDIATE CONSISTING ESSENTIALLY OF AN INTIMATE ADMIXTURE OF PIGMENT DYESTUFF AND ACETYLCELLULOSE WITH AN ACETIC ACID CONTENT OF 45-60%, SAID PRINTING PASTE ALSO COMPRISING AN ORGANIC SOLVENT FOR CELLULOSE ESTER, AND A DILLUENT, THE SAID DYESTUFF BEING DIFFICULTLY SOLUBLE TO INSOLUBLE IN SAID ORGANIC SOLVENT.
Claim 2
Dependent Claim
56 words
A PRINTING PASTE FOR TEXTILE MATERIALS AND THE LIKE, COMPRISING AN INTERMEDIATE CONSISTING ESSENTIALLY OF AN INTIMATE ADMIXTURE OF PIGMENT DYESTUFF AND ACETYLCELLULOSE WITH AN ACETIC ACID CONTENT OF 45-60%, SAID PRINTING PASTE ALSO COMPRISING AN ORGANIC SOLVENT FOR CELLULOSE ESTER, AND A DILLUENT, THE SAID DYESTUFF BEING DIFFICULTLY SOLUBLE TO INSOLUBLE IN SAID ORGANIC SOLVENT.
References Cited (Backward Citations)
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Cited
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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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |