US2989412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometallic pigment dispersants based on acylates polyhydric alcoholates and aminoalcoholates of group iv-b metals
Assignee: Union Carbide Corp
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Filing: 1956-04-17
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Granted: 1961-06-20
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 James O Koehler
- 👤 Lamprey Headlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:23
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PIGMENT-CONTAINING COMPOSITION COMPRISING A PIGMENT AND A MEDIUM THEREFOR, SAID MEDIUM BEING SELECTED FROM THE GROUP CONSISTING OF ALKYD RESINS, PHENOLIC RESINS AND OLEORESINS, AND FROM ABOUT 0.1 PERCENT BY WEIGHT THEREOF TO ABOUT 5 PERCENT OF A DISPERSANT SELECTED FROM THE GROUP CONSISTING OF: (A) METAL CARBOXYLATES HAVING THE FORMULA
Claim 2
Dependent Claim
52 words
A PIGMENT-CONTAINING COMPOSITION COMPRISING A PIGMENT AND A MEDIUM THEREFOR, SAID MEDIUM BEING SELECTED FROM THE GROUP CONSISTING OF ALKYD RESINS, PHENOLIC RESINS AND OLEORESINS, AND FROM ABOUT 0.1 PERCENT BY WEIGHT THEREOF TO ABOUT 5 PERCENT OF A DISPERSANT SELECTED FROM THE GROUP CONSISTING OF: (A) METAL CARBOXYLATES HAVING THE FORMULA
References Cited (Backward Citations)
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Cited
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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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |