US3309030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and device for the continuous production of dispersions
Assignee: Bayer AG
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Filing: 1964-12-29
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Granted: 1967-03-14
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Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Molls Hans Heinz
- 👤 Hornle Reinhold
- 👤 Raab Hans
- 👤 Bechlars Franz
- 👤 Steinmetz Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:13
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/16; B01; B01F; B01F27/00; B01F27/60; B01F27/73; B01F27/80; B01F27/93; B01F27/05; B01F27/11; B01F27/19; B01F27/191
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF PREPARING A DISPERSION HAVING A FINELY DIVIDED STATE BY SUSPENDING AND SUBDIVIDING A SOLID IN A LIQUID MEDIUM IN AN ENCLOSED SYSTEM WHICH COMPRISES PASSING IN CONTINUOUSLY UNDER PRESSURE THE SOLID BEING IN A NON-PUMPABLE STATE AND SIMULTANEOUSLY THE LIQUID MEDIUM IN AN AGITATED LAYER OF SPHERICAL GRINDING ELEMENTS HAVING A PARTICLE DIAMETER IN THE RANGE OF 0.3 TO ABOUT 10 MM., PASSING THRU SAID AGITATED LAYER THE SOLID TOGETHER WITH THE LIQUID MEDIUM AND SEPARATING
Claim 2
Independent Claim
79 words
THE METHOD OF PREPARING A DISPERSION HAVING A FINELY DIVIDED STATE BY SUSPENDING AND SUBDIVIDING A SOLID IN A LIQUID MEDIUM IN AN ENCLOSED SYSTEM WHICH COMPRISES PASSING IN CONTINUOUSLY UNDER PRESSURE THE SOLID BEING IN A NON-PUMPABLE STATE AND SIMULTANEOUSLY THE LIQUID MEDIUM IN AN AGITATED LAYER OF SPHERICAL GRINDING ELEMENTS HAVING A PARTICLE DIAMETER IN THE RANGE OF 0.3 TO ABOUT 10 MM., PASSING THRU SAID AGITATED LAYER THE SOLID TOGETHER WITH THE LIQUID MEDIUM AND SEPARATING
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |