US2879246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromic hydroxide-ferric hydroxide pigment and coating composition containing same
Assignee: EIDP Inc
•
Filing: 1955-01-28
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Granted: 1959-03-24
•
Expires: 1975-01-28
Abstract
No abstract record available.
Inventors
- 👤 Jackson Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:48
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/34; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2006/00; C01P2006/22; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A COATING COMPOSITION COMPRISING A MAJOR AMOUNT OF AN ORGANIC FILM-FORMING MATERIAL AND A MINOR AMOUNT OF A CHROMIC HYDROXIDE/FERRIC HYDROXIDE PIGMENT IN WHICH THE MOL RATIO OF CHROMIC HYDROXIDE TO FERRIC HYDROXIDE RANGES FROM 70:30 TO 95:5
Claim 2
Dependent Claim
38 words
A COATING COMPOSITION COMPRISING A MAJOR AMOUNT OF AN ORGANIC FILM-FORMING MATERIAL AND A MINOR AMOUNT OF A CHROMIC HYDROXIDE/FERRIC HYDROXIDE PIGMENT IN WHICH THE MOL RATIO OF CHROMIC HYDROXIDE TO FERRIC HYDROXIDE RANGES FROM 70:30 TO 95:5
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |