US3067052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold colored metallic pigments
Assignee: Interchemical Corp
•
Filing: 1959-09-21
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Granted: 1962-12-04
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Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Rudolf G Frieser
- 👤 Paul A Scardaville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:01
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/62; C09C1/64; C09C1/644; C09C1/646; C09C1/642; C09C1/648; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/80; C01P2006/00; C01P2006/22; C01P2006/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
A PIGMENT RANGING IN COLOR FROM GREENISH YELLOW TO DARK REDDISH GOLD CONSISTING OF PIGMENT-SIZED PARTICLES OF METALLIC ALUMINUM COATED WITH A TRANSPARENT FILM OF CO-DEPOSITED OXIDES OF MANGANESE AND ALUMINUM.
Claim 2
Dependent Claim
31 words
A PIGMENT RANGING IN COLOR FROM GREENISH YELLOW TO DARK REDDISH GOLD CONSISTING OF PIGMENT-SIZED PARTICLES OF METALLIC ALUMINUM COATED WITH A TRANSPARENT FILM OF CO-DEPOSITED OXIDES OF MANGANESE AND ALUMINUM.
Claim 3
Dependent Claim
69 words
A PORCESS OF PRODUCING A GOLD-COLORED ALUMINUM PIGMENT WHICH COMPRISES SLURRYING ALUMINUM POWDER, COARSER THAN 425 MESH, WITH A 0.1 MOLAR TO SATURATED AT ABOUT ROOM TEMPERATURE SOLUTION OF ALKALI METAL PERMANGANATE, AGITATING THE RESULTING MIXTURE AT A TEMPERATURE TURE BETWEEN 5* AND 100*C. FOR A PERIOD OF TIME SUFFICIENT TO DEVELOP A GOLD-COLORED SURFACE COATING ON THE METALLIC PARTICLES, AND SEPARATING THE RESULTING PIGMENT FROM THE TREATING SOLUTION.
Claim 4
Dependent Claim
69 words
A PORCESS OF PRODUCING A GOLD-COLORED ALUMINUM PIGMENT WHICH COMPRISES SLURRYING ALUMINUM POWDER, COARSER THAN 425 MESH, WITH A 0.1 MOLAR TO SATURATED AT ABOUT ROOM TEMPERATURE SOLUTION OF ALKALI METAL PERMANGANATE, AGITATING THE RESULTING MIXTURE AT A TEMPERATURE TURE BETWEEN 5* AND 100*C. FOR A PERIOD OF TIME SUFFICIENT TO DEVELOP A GOLD-COLORED SURFACE COATING ON THE METALLIC PARTICLES, AND SEPARATING THE RESULTING PIGMENT FROM THE TREATING SOLUTION.
References Cited (Backward Citations)
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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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |