Patent US2846151A successfully refreshed from Google Patents.
US2846151A
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US
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Selective disintegration and separation of pigments
Assignee: Bayer AG
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Filing: 1954-08-13
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Granted: 1958-08-05
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Expires: 1974-08-13
Abstract
No abstract record available.
Inventors
- 👤 Wehn Julius
- 👤 Busch Werner
- 👤 Rockstroh Joachim
- 👤 Beushausen Walter
- 👤 Kaiser Fritz
- 👤 Rumpf Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:09
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/0012; B02C19/005; B02C19/06; B02C19/061; C; C09; C09C; C09C3/00; C09C3/04; C09C3/041; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 0
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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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |