US2587266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water emulsifiable metallic paste pigments
Assignee: Alcoa Corp
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Filing: 1948-08-10
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Granted: 1952-02-26
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Expires: 1968-08-10
Abstract
No abstract record available.
Inventors
- 👤 Robert I Wray
- 👤 Wayne B Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:39
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/103; C09C; C09C1/00; C09C1/62; C09C1/64; C09C1/644; C09C1/646; C09C1/648; C01; C01P; C01P2004/00; C01P2004/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A WATER-EMULSIFIABLE, METALLIC PASTE PIGMENT COMPRISING A MIXTURE OF 40 TO 78 PER CENT METAL FLAKE, VOLATILE HYDROCARBON, AND AT LEAST ONE AVAILABE FATTY ACID SELECTED FROM THE GROUP CONSISTING OF STEARIC, PALMITIC, OLEIC AND RICINOLEIC ACIDS; WITH 15 TO 45 PER CENT TALL OIL, 4.5 TO 8.5 PER CENT CASEIN, AND 0.5 TO 7.0 PER CENT OF AT LEAST ONE OF THE WATER-SOLUBLE, SOAP-FORMING ALKALIS SELECTED FROM THE GROUP CONSISTING OF CARBONATES OF SODIUM, BORATES OF SODIUM, AND THE AMINES CONSISTING OF MORPHOLINE, ETHANOLAMINE AND ISOPROPANOLAMINE, SAID METALLIC PASTE PIGMENT BEING CHARACTERIZED BY ITS STABILITY, PASTERETAINING 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 |