US2902384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonflocculating metal phthalocyanine pigments
Assignee: Chemetron Corp
•
Filing: 1956-03-27
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Granted: 1959-09-01
•
Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Meyer Roland Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:16
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0033; C09B67/0034; C09B67/0035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COLORING COMPOSITION COMPRISING A METAL PHTHALOCYANINE PIGMENT, 5 TO 25% OF AN INSOLUBLE SALT OF A METAL PHTHALOCYANINE SULFONIC ACID, AND 0.5 TO 10% OF AN ALUMINUM SALT OF AN ORGANIC AROMATIC ACID, CONTAINING 7 TO 10 CARBON ATOMS, THE METAL PHTHALOCYANINE PIGMENT COMPRISING SUBSTANTIALLY THE BALANCE OF THE COLORING COMPOSITION.
Claim 2
Dependent Claim
52 words
A COLORING COMPOSITION COMPRISING A METAL PHTHALOCYANINE PIGMENT, 5 TO 25% OF AN INSOLUBLE SALT OF A METAL PHTHALOCYANINE SULFONIC ACID, AND 0.5 TO 10% OF AN ALUMINUM SALT OF AN ORGANIC AROMATIC ACID, CONTAINING 7 TO 10 CARBON ATOMS, THE METAL PHTHALOCYANINE PIGMENT COMPRISING SUBSTANTIALLY THE BALANCE OF THE COLORING COMPOSITION.
References Cited (Backward Citations)
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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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |