US3065092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of copper phthalocyanine stable to separation
Assignee: Sandoz AG
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Filing: 1960-04-25
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Granted: 1962-11-20
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Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Geiger George
- 👤 Pfister Xaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:13
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/08; C09B47/12; C09B47/16; C09B47/32; C09B67/00; C09B67/0033; C09B67/0034; C09B67/0035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A STABLE PIGMENT COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY MIXING WITH STIRRING (A) A COPPER PHTHALOCYANINE HAVING FROM 0 TO 4 HALOGEN ATOMS IN THE MOLECULE AND (B) FROM 1 TO 30% BASED ON THE WEIGHT OF THE COPPER PHTHALOCYANINE, OF A POLYQUATERNARY SALT OF ONE MOLE OF A COPPER PHTHALOCYANINE HAVING FROM 0 TO 4 HALOGEN ATOMS IN THE AROMATIC NUCLEI AND FROM 1 TO 4 HALOGENOMETHYL GROUP IN THE MOLECULE AND 1 TO 4 MOLES OF A TERTIARY ORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF PYRIDINE, QUINOLINE, TRIMETHYLAMINE, DIETHYLCETYLAMINE, DIMETHYLLAURYLAMINE, METHYLDICETYLAMINE, AND METHYLDILAURYLAMINE.
Claim 2
Dependent Claim
15 words
NITROCELLULOSE LACQUERS WHICH HAVE BEEN COLORED WITH THE STABLE PIGMENT COMPOSITION DEFINED IN CLAIM 6.
References Cited (Backward Citations)
US2713005A
Cited
US2933505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |