US3013017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for chlorinating copper phthalocyanine
Assignee: Interchemical Corp
•
Filing: 1959-08-10
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Granted: 1961-12-12
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 John J R Luzzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:28
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/08; C09B47/10; C09B47/06; C09B47/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A PROCESS FOR PRODUCING CHLORINATED COPPER PHTHALOCYANINE WHICH COMPRISES REACTING BY HEATING IN AN INERT SOLVENT, TETRACHLOROPHTHALIC ANHYDRIDE, UREA, A COPPER ION SUPPLYING MATERIAL AND AN AMMONIUM HEXAFLUOROTITANATE CATALYST.
Claim 2
Dependent Claim
29 words
A PROCESS FOR PRODUCING CHLORINATED COPPER PHTHALOCYANINE WHICH COMPRISES REACTING BY HEATING IN AN INERT SOLVENT, TETRACHLOROPHTHALIC ANHYDRIDE, UREA, A COPPER ION SUPPLYING MATERIAL AND AN AMMONIUM HEXAFLUOROTITANATE CATALYST.
References Cited (Backward Citations)
US2549842A
Cited
US2825733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |