US3201051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of salt milling a mill powder
Assignee: EIDP Inc
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Filing: 1963-07-25
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Granted: 1965-08-17
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Charles W Manger
- 👤 Ben H Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0001; C09B67/0002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE PROCESS OF SALT-MILLING A MILL POWDER CONSISTING OF CRUDE PIGMENTS TO PIGMENTARY PARTICLE SIZE, THE IMPROVEMENT WHICH COMPRISES MILLING SAID MILL POWDER IN THE PRESENCE OF A SOLID SALT GRINDING AGENT WHICH IS THERMALLY STABLE UNDER THE CONDITIONS OF SAID SALT-MILLING AND IS VOLATILIZABLE WHEN HEATED TO TEMPERATURES BELOW THAT AT WHICH SAID PIGMENTARY PARTICLES DECOMPOSE AND THEREAFTER HEATING THE MILL POWDER-SOLID SALT GRINDING AGENT MIXTURE TO A TEMPERATURE SUFICIENT TO VOLATILIZE SAID SOLID SALT GRINDING AGENT.
Claim 2
Dependent Claim
79 words
IN THE PROCESS OF SALT-MILLING A MILL POWDER CONSISTING OF CRUDE PIGMENTS TO PIGMENTARY PARTICLE SIZE, THE IMPROVEMENT WHICH COMPRISES MILLING SAID MILL POWDER IN THE PRESENCE OF A SOLID SALT GRINDING AGENT WHICH IS THERMALLY STABLE UNDER THE CONDITIONS OF SAID SALT-MILLING AND IS VOLATILIZABLE WHEN HEATED TO TEMPERATURES BELOW THAT AT WHICH SAID PIGMENTARY PARTICLES DECOMPOSE AND THEREAFTER HEATING THE MILL POWDER-SOLID SALT GRINDING AGENT MIXTURE TO A TEMPERATURE SUFICIENT TO VOLATILIZE SAID SOLID SALT GRINDING AGENT.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |