Patent US3345293A successfully refreshed from Google Patents.
US3345293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored electrostatographic toners containing organic dye pigments
Assignee: Xerox Corp
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Filing: 1963-09-03
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Granted: 1967-10-03
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Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
- 👤 John S Bartoszewicz
- 👤 Michael A Insalaco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:59
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/09; G03G9/0906; G03G9/091; G03G13/00; G03G13/01; G03G13/013; G03G13/0133
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
187 words
A NOVEL TONER TO BE USED IN COMBINATION WITH TWO OTHER ELECTROSTATOGRAPHIC COLORED TONERS FOR TH SYNTHESIS OF IMGAES IN FULL, NATURAL COLOR BY TH SUBSTRACTIVE PROCESS, ONE OF SAID TWO OTHER COLORED TONERS BEING MADE UP OF PARTICLES CONSISTING OF A SUBSTANTIALLY TRANSPARENT ELECTROSCOPIC RESIN CONTAINING COLOR STABLE ORGANIC DYE PIGMENTS IN THE RATIO OF 1 PART BY WEIGHT OF 3,3'' -DICHLORO-4''BIS(2"-ACETYL-2"-AZO-O-ACETOTOLUIDIDE)BIPHENYL AND 10 PARTS BY WEIGHT OF THE RESIN FOR THE YELLOW TONER, THE OTHER OF SAID COLORED TONERS BEING MADE UP OF FINELY DIVIDED PARTICLES CONSISTING OF A SUBSTANTIALLY TRANSPARENT ELECTROSCOPIC RESIN CONTANING COLOR STABLE ORGANIC DYE PIGMENTS IN THE RATIO OF ABOUT .75 PART BY WEIGHT OF A MAGENTA 2,9-DIMETHYLQUNACRIDONE LINEAR QUINACRIDONE DYE PIGMENT TO ABOUT 10 PARTS BY WEIGHT OF THE RESIN FOR THE MAGENTA TONER AND SAID NOVEL TONER COMPRISING FINELY DIVIDED PARTICLES CONSISTING OF A SUBSTANTIALLY TRANSPARENT ELECTROSCOPIC RESIN CONTAINING COLOR STABLE ORGANIC DYE PIGMENT IN THE RATIO OF ABOUT 91 PARTS BY WEIGHT OF COPPER PHTHALOCYANINE DYE PIGMENT, ABOUT 4 PARTS BY WEIGHT OF 3,3''-DICHLORO-,4''-BIS(2"-ACETYL-2"-AZO-O-ACETOTOLUIDIDE) BIPHENYL TO ABOUT 3730 PARTS BY WEIGHT OF THE RESIN FOR THE CYAN TONER.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |