US3832208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nacreous pigments treated with methacrylatochromic chloride for improved humidity resistance
Assignee: EIDP Inc
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Filing: 1973-05-22
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Granted: 1974-08-27
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Expires: 1993-05-22
Abstract
Abstract TITANIA-COATED MICACEOUS PIGMENTS ARE TREATED WITH METHACRYLATOCHROMIC CHLORIDE. COATING COMPOSITIONS CONTAINING SUCH TREATED PIGMENT PROVIDE IMPROVED RESISTANCE TO WEATHERING, PARTICULARLY HIGH HUMIDITY CONDITIONS.
Inventors
- 👤 J Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:21
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0015; C01; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2004/84; C09C2200/00; C09C2200/10; C09C2200/102; C09C2200/40; C09C2200/401; C09C2200/402; C09C2200/403; C09C2200/404
Claims Analysis
Total Claims: 0
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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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |