Patent US3407098A successfully refreshed from Google Patents.
US3407098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colorant film for aluminum surfaces
Assignee: Olin Corp
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Filing: 1965-08-25
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Granted: 1968-10-22
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Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Hurley
- 👤 Martin A Robinson
- 👤 James A Scruggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:05
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; C25D11/24; C25D11/243; C07; C07F; C07F15/00; C07F15/04; C07F15/045; C09; C09B; C09B57/00; C09B57/04; C09B57/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
METHOD OF COLORING ALUMINUM WHICH COMPRISES HEATING UNSEALED ANODIZED ALUMINUM AT 100* TO 150*C. IN CONTACT WITH A SOLUTION OF BIS(3 - (3 - ALKOXY - 1HISOINDOL - 1 - IMINO) - 1H - ISOINDOL - 1 - IMINATO) NICKEL (II) IN WHICH SAID ALKOXY CONTAINS 1 TO 6 CARBONS IN AN ALIPHATIC OR AROMATIC HYDROCARBON OR HALOHYDROCARBON HAVING A BOILING POINT ABOUT ABOUT 100*C. AT ATMOSPHERIC PRESSURE.
References Cited (Backward Citations)
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Cited
US2739155A
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US3023164A
Cited
US3114660A
Cited
US3026220A
Cited
US3326728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |