US3264129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-leafing metallic pigments
Assignee: Alcoa Corp
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Filing: 1963-05-15
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Granted: 1966-08-02
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Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Rolles Rolf
- 👤 John C Edmunds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:51
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/62; C09C1/622; C09C1/64; C09C1/644; C09C1/646; C01; C01P; C01P2004/00; C01P2004/20; C01P2004/51; C01P2004/60; C01P2004/61; C01P2004/80; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A METALLIC FLAKE PIGMENT CONSISTING ESSENTIALLY OF A FLAKE PARTICLE SIZE DISTRIBUTION OF 60 TO 80 PERCENT OF THE NUMBER OF FLAKES WITHIN 10 TO 50 MICRONS, A FILM COATING ON THE INDIVIDUAL FLAKES OF AT LEAST ONE HIGHER MOLECULAR WEIGHT NON-LEAFING ALIPHATIC AMINE SELECTED FROM THE GROUP CONSISTING OF THE STRAIGHT CHAIN SECONDARY AND TERIARY AMINES CHARACTERIZED BY AN ALIPHATIC GROUP CONTAINING AN EBEN NUMBER OF CARBON ATOMS WITHIN THE RANGE 8 TO 22 AND A MOLECULAR WEIGHT WIGHIN THE RANGE 225 TO 795, AND THE AMOUNT OF THE STRAIGHT CHAIN AMINE BEING PRESENT BETWEEN 1 TO 20 PERCENT BY WEIGHT OF THE METALLIC FLAKES.
References Cited (Backward Citations)
US2522538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |