US3734872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersion of finely divided pigment particles and process for preparation of the same
Assignee: Dai Nippon Toryo Co Ltd
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Filing: 1971-09-02
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Granted: 1973-05-22
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Expires: 1991-09-02
Abstract
Abstract A DISPERSION OF FINELY DIVIDED PIGMENT PARTICLES USEFUL AS PRINTING INK AND PANT WHICH COMPRISES A COPOLYMER COMPOSED OF COPOLYMERIZABLE UNSATURATED MONOMERS UNIFORMLY COLORED WITH A DYESTUFF INCAPABLE OF BEING COPOLYMERIZED WITH SAID COPOLYMER, SAID COLORED COPOLYMER BEING DISPERSED UNIFORMLY IN AN ORGANIC LIQUID HAVING NO POLARITY OR A LOW POLARITY, BY A PROTECTIVE LAYER OF A STABILIZER AND A PROCESS FOR THE PREPARATION OF THE DISPERSION.
Inventors
- 👤 S Wakimoto
- 👤 H Tugukuni
- 👤 M Kano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:00
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/04; C08F2/06; C08F2/08; C09; C09B; C09B67/00; C09B67/006; C09B67/0061; C09D; C09D7/00; C09D7/80; Y; Y10; Y10S; Y10S524/00; Y10S524/923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |