Patent EP0352740A2 successfully refreshed from Google Patents.
Patent US3561999A successfully refreshed from Google Patents.
US3561999A
Expired / Lapsed
US
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Metallic stearate coated clays and the process of producing same
Assignee: JM Huber Corp
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Filing: 1967-12-06
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Granted: 1971-02-09
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Expires: 1987-12-06
Abstract
Abstract THE DISCLOSURE COVERS THE COATING OF KAOLIN CLAYS WITH A THIN UNIFORM FILM OF WATER INSOLUBLE METALLIC STEARATE AND THE CLAYS SO COATED. THE PROCESS INCLUDES THE STEPS OF APPLYING AN AQUEOUS DISPERSION OF THE STEARATE TO TH CLAY, FOLLOWED BY MIXING, DRYING AND PULVERIZING.
Inventors
- 👤 Joseph Iannicelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:40
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/10; C04B20/1018; C04B20/1022; C04B20/1025; C09; C09C; C09C1/00; C09C1/40; C09C1/42; C09C3/00; C09C3/08; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; Y; Y10; Y10S; Y10S264/00; Y10S264/39
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |