US3079342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic developer composition and method therefor
Assignee: Xerox Corp
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Filing: 1960-02-12
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Granted: 1963-02-26
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Expires: 1980-02-12
Abstract
No abstract record available.
Inventors
- 👤 Michael A Insalaco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:57
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08702; G03G9/08726; G03G9/08728; G03G9/08706; G03G9/08708; G03G9/08711
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A XEROGRAPHIC TONER CONSISTING ESSENTIALLY OF FINELYDIVIDED PARTICLES HAVING COLORING MATERIAL IN A RESIN BLEND OF FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A LONG CHAIN THERMOPLASTIC POLYMERIC PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF SELLAC, POLYVINYL BUTYRAL, POLYETHYLENE, AND POLYETHYLENE SEBACATE AND THE BALANCE OF THE RESIN COMPOSITION CONSISTING OF A COPOLYMERIZED MIXTURE OF FROM ABOUT 60% TO ABOUT 90% BY WEIGHT STYRENE AND STYRENE HOMOLOGS OF THE FORMULA
Claim 2
Dependent Claim
72 words
A XEROGRAPHIC TONER CONSISTING ESSENTIALLY OF FINELYDIVIDED PARTICLES HAVING COLORING MATERIAL IN A RESIN BLEND OF FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF A LONG CHAIN THERMOPLASTIC POLYMERIC PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF SELLAC, POLYVINYL BUTYRAL, POLYETHYLENE, AND POLYETHYLENE SEBACATE AND THE BALANCE OF THE RESIN COMPOSITION CONSISTING OF A COPOLYMERIZED MIXTURE OF FROM ABOUT 60% TO ABOUT 90% BY WEIGHT STYRENE AND STYRENE HOMOLOGS OF THE FORMULA
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |