US3679612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative composition and process for preparing same
Assignee: Mpac Group PLC
•
Filing: 1970-09-23
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Granted: 1972-07-25
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Expires: 1990-09-23
Abstract
Abstract THIS SPECIFICATION DESCRIBES NOVEL, DRY PARTICULATE INKS OF SUBSTANTIALLY SPHERICAL SHAPE WHICH ARE COMPOSED OF A POLYMERIC BINDER, A COLORANT AND A FILLER WHICH IS PRESENT TO GIVE THE INKS IMPROVED TRANSFER CHARACTERISTICS WHEN USED IN ELECTROSTATIC PRINTING. THE INKS MAY BE PRODUCED BY DISPERSING A SOLUTION OF THE INK COMPOSITION (BINDER, COLORANT, FILLER PLUS ANY OTHER ADDITIVES) IN ANOTHER LIQUID AND THEN EVAPORATING OFF THE BINDER SOLVENT TO FORM A SUSPENSION OF THE INK PARTICLES IN THE LIQUID. A MELT OF THE INK COMPOSITION MAY BE USED INSTEAD OF A SOLUTION.
Inventors
- 👤 Witold Titow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; Y; Y10; Y10S; Y10S524/00; Y10S524/901; Y10S524/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |