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US2587267A
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Water-emulsifiable metallic paste pigments
Assignee: Alcoa Corp
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Filing: 1948-11-19
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Granted: 1952-02-26
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Robert I Wray
- 👤 Wayne B Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:28
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/62; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/103; C01; C01P; C01P2004/00; C01P2004/20; C01P2004/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A WATER-EMULSIFIABLE, CASEIN FREE, METALLIC PASTE PIGMENT FORMATION COMPRISING A MIXTURE OF 40 TO 78 PER CENT METALLIC FLAKES, 5 TO 20 PER CENT VOLATILE HYDROCARBON, AND 0.25 TO 3 PER CENT OF AT LEAST ONE FATTY ACID SELECTED FROM THE GROUP CONSISTING OF STEARIC, OLEIC, PALMITIC AND RICINOLEIC ACIDS; WITH 15 TO 45 PER CENT TALL OIL AND 3 TO 25 PER CENT OF AT LEAST ONE WATERSOLUBLE, SOAP-FORMING AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-AMINO-1-BUTANOL, 2-AMINO-2-METHYL-1-PROPANOL, 2-AMINO-2METHYL-1,3-PROPANEDIOL, THE INSOPROPANOLAMINES, THE ETHANOLAMINES, MORPHOLINE, AND MONO-NBUTYL AMINE, AND SAID METALLIC PASTE PIGMENT FORMULATION BEING CHARACTERIZED BY ITS STABILITY, PASTE-RETAINING CONSISTENCY AND FREEDOM FROM AGGLOMERATE FORMATION UNDER STORAGE CONDITIONS SEALED AGAINST ATMOSPHERE.
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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |