US2642404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complementary color blending
Assignee: EIDP Inc
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Filing: 1951-09-24
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Granted: 1953-06-16
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Expires: 1971-09-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A COATING COMPOSITION ADAPTED TO YIELD A TOUGH, DURABLE FINISH HAVING A METALLIC APPEARANCE OF GREAT DEPTH SAID BRILLIANCE, COMPRISING A VEHICLE AND PIGMENT, SAID PIGMENT CONSISTING OF (A) THE NICKEL COMPLEX OF THE AZO DYE OBTAINED BY COUPLING DIAZOTIZED PARACHLORANILINE WITH 2,4DIHYDROXYQUINOLINE; (B) PIGMENT SUBSTANTIALLY COMPLEMENTARY IN COLOR TO THE SAID (A) PIGMENT IN AMOUNT TO YIELD A GRAY WHEN MIXED SEPARATELY THEREWITH; (C) AT LEAST ONE COLORED TINTING PIGMENT AND (D) FINELY DIVIDED FLAKE ALUMINUM METAL.
Claim 2
Dependent Claim
78 words
A COATING COMPOSITION ADAPTED TO YIELD A TOUGH, DURABLE FINISH HAVING A METALLIC APPEARANCE OF GREAT DEPTH SAID BRILLIANCE, COMPRISING A VEHICLE AND PIGMENT, SAID PIGMENT CONSISTING OF (A) THE NICKEL COMPLEX OF THE AZO DYE OBTAINED BY COUPLING DIAZOTIZED PARACHLORANILINE WITH 2,4DIHYDROXYQUINOLINE; (B) PIGMENT SUBSTANTIALLY COMPLEMENTARY IN COLOR TO THE SAID (A) PIGMENT IN AMOUNT TO YIELD A GRAY WHEN MIXED SEPARATELY THEREWITH; (C) AT LEAST ONE COLORED TINTING PIGMENT AND (D) FINELY DIVIDED FLAKE ALUMINUM METAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |