US2683702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophobic, organophilic ultramarine blue and peacock blue pigments and process of producing the same
Assignee: Wyeth Holdings LLC
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Filing: 1952-12-10
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Granted: 1954-07-13
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Expires: 1972-12-10
Abstract
No abstract record available.
Inventors
- 👤 John W Eastes
- 👤 Theodore F Cooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:09
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/28; C09C1/32; C01; C01P; C01P2004/00; C01P2004/50; C01P2004/60; C01P2004/61; C01P2004/80; C01P2006/00; C01P2006/60; C01P2006/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A COMPOSITION OF MATTER COMPRISING A PIGMENT SELECTED FROM THE GROUP CONSISTING OF ULTRAMARINE BLUE AND PEACOCK BLUE, THE PARTICLES OF WHICH ARE COATED WITH A THERMOCURED WATER INSOLUBLE, HYDROPHOBIC, ORGANOPHILIC RESINOUS REACTION PRODUCT OF A SHORT CHAIN ALKYLATED METHYLOL MELAMINE AND A SATURATED ALKYLAMIDE HAVING A CHAIN LENGTH OF FROM 10 TO 20 CARBON ATOMS, AND HAVING A N-ALKYLOL SUBSTITUENT CONTAINING FEWER THAN 4 CARBON ATOMS, THE WEIGHT OF SAID ALKYLATED METHYLOL MELAMINE TO SAID AMIDE BEING BETWEEN ABOUT 1:5 AND 2:1, AND THE WEIGHT OF SAID COATING BEING BETWEEN ABOUT 0.5% AND 20% OF THE WEIGHT OF THE PIGMENT.
Claim 2
Dependent Claim
101 words
A COMPOSITION OF MATTER COMPRISING A PIGMENT SELECTED FROM THE GROUP CONSISTING OF ULTRAMARINE BLUE AND PEACOCK BLUE, THE PARTICLES OF WHICH ARE COATED WITH A THERMOCURED WATER INSOLUBLE, HYDROPHOBIC, ORGANOPHILIC RESINOUS REACTION PRODUCT OF A SHORT CHAIN ALKYLATED METHYLOL MELAMINE AND A SATURATED ALKYLAMIDE HAVING A CHAIN LENGTH OF FROM 10 TO 20 CARBON ATOMS, AND HAVING A N-ALKYLOL SUBSTITUENT CONTAINING FEWER THAN 4 CARBON ATOMS, THE WEIGHT OF SAID ALKYLATED METHYLOL MELAMINE TO SAID AMIDE BEING BETWEEN ABOUT 1:5 AND 2:1, AND THE WEIGHT OF SAID COATING BEING BETWEEN ABOUT 0.5% AND 20% OF THE WEIGHT OF THE PIGMENT.
References Cited (Backward Citations)
US2525835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |