Patent US2895837A successfully refreshed from Google Patents.
US2895837A
Expired / Lapsed
US
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New complex solutions and dispersions and process for their preparation
Assignee: Compagnie Francaise des Matieres Colorantes SARL
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Filing: 1956-12-26
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Granted: 1959-07-21
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Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 Bilger Xavier
- 👤 Chantilly Paul Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:01
CPC Classifications
C; C09; C09B; C09B57/00; C09B57/10; C07; C07F; C07F13/00; C07F13/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
THE WATER-SOLUBLE SOLUTIONS OF COPPER 8-HYDROXYQUINOLATE IN ALCOHOLIC SOLUTIONS OF CHROMIUM STEARATOCLORIDE WHICH COMPRISE UP TO THREE MOLECULES OF QUINOLATE FOR EACH STEARIC GROUP, THE ALCOHOL OF THE SAID ALCOHOLIC SOLUTIONS HAVING ONE TO FOUR CARBON ATOMS.
References Cited (Backward Citations)
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US2410414A
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US2673824A
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US2648614A
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US2744835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |