US3041192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conditioning of phthalocyanine pigments
Assignee: GAF Chemicals Corp
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Filing: 1959-11-16
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Granted: 1962-06-26
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Brouillard
- 👤 Gannon James
- 👤 Katz Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:42
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR CONDITIONIG POLYHALOGENATED COPER PHTHALOCYANINE PIGMENT CONTAINING 12 TO 16 HALOGEN ATOMS PER MOLECULE COMPRISING ADMIXING THE NON-AQUEOUS HALOGENATION MASS IN WHICH SAID PIGMENT IS PRODUCED WITH AN AQUEOUS MEDDIUM IN THE PRESENCE OF AT LEAST 5% AND UP TO ABOUT 200%, BASEDD ON THE WEIGHT OF SAID PIGMENT, OF A WATER-IMMISCIBLE MONOMERIC ORGANIC ESTER OF A POLY BASIC ACID, SAID ESTER HAVING A BOILING POINT OF AT LELAST ABOUT 150*C., AND THEN SEPARATING THE PIGMENT PARTICLES COATED WITH SAID ORGANIC ESTER FROM THE AQUEOUS PHASE.
Claim 2
Dependent Claim
88 words
A PROCESS FOR CONDITIONIG POLYHALOGENATED COPER PHTHALOCYANINE PIGMENT CONTAINING 12 TO 16 HALOGEN ATOMS PER MOLECULE COMPRISING ADMIXING THE NON-AQUEOUS HALOGENATION MASS IN WHICH SAID PIGMENT IS PRODUCED WITH AN AQUEOUS MEDDIUM IN THE PRESENCE OF AT LEAST 5% AND UP TO ABOUT 200%, BASEDD ON THE WEIGHT OF SAID PIGMENT, OF A WATER-IMMISCIBLE MONOMERIC ORGANIC ESTER OF A POLY BASIC ACID, SAID ESTER HAVING A BOILING POINT OF AT LELAST ABOUT 150*C., AND THEN SEPARATING THE PIGMENT PARTICLES COATED WITH SAID ORGANIC ESTER FROM THE AQUEOUS PHASE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |