US2822283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushing pigments
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1955-10-18
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Granted: 1958-02-04
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Expires: 1975-10-18
Abstract
No abstract record available.
Inventors
- 👤 Blaser Bruno
- 👤 Linke Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:52
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/003; C01; C01P; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF FLUSHING PIGMENT PARTICLES FROM AQUEOUS PASTE FORM INTO A LIQUID VEHICLE IMMISCIBLE WITH WATER TO RELEASE WATER, WHICH COMPRISES AGITATING A MASS OF AQUEOUS PIGMENT PASTE WITH A RECEIVING LIQUID VEHICLE WHICH IS IMMISCIBLE WITH WATER IN THE PRESENCE OF A SMALL QUANTITY OF A SUBSTITUTED CYCLOHEXYLAMINE OF THE FORMULA
Claim 2
Independent Claim
53 words
THE METHOD OF FLUSHING PIGMENT PARTICLES FROM AQUEOUS PASTE FORM INTO A LIQUID VEHICLE IMMISCIBLE WITH WATER TO RELEASE WATER, WHICH COMPRISES AGITATING A MASS OF AQUEOUS PIGMENT PASTE WITH A RECEIVING LIQUID VEHICLE WHICH IS IMMISCIBLE WITH WATER IN THE PRESENCE OF A SMALL QUANTITY OF A SUBSTITUTED CYCLOHEXYLAMINE OF THE FORMULA
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |