Patent US2535647A successfully refreshed from Google Patents.
US2535647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating clay
Assignee: JM Huber Corp
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Filing: 1947-06-14
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Granted: 1950-12-26
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Expires: 1967-06-14
Abstract
No abstract record available.
Inventors
- 👤 Millman Nathan
- 👤 Whitley James Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:08
CPC Classifications
B; B28; B28C; B28C1/00; B28C1/02; B28C1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE METHOD OF TREATING CLAY TO IMPROVE ITS PROCESSING PROPERTIES WHICH COMPRISES THE STEPS OF PREPARING A MIXTURE OF A CLAY, COMPOSED PRINCIPALLY OF KAOLINITE, WATER AND A PEPTIZING AGENT FOR THE CLAY, IN THE PROPORTIONS OF FROM ABOUT 115 TO ABOUT 210 VOLUMES OF CLAY TO 10 VOLUMES OF WATER AND FROM ABOUT 0.05% TO ABOUT 1% OF PEPTIZING AGENT BASED ON THE WEIGHT OF CLAY, AND KNEADING THE MIXTURE AT A RATE SUCH THAT THE TEMPERATURE OF THE MIXTURE RISES AT A RATE OF AT LEAST 5*C. IN 5 MINUTES AND UNTIL THE TEMPERATURE OF THE MIXTURE HAS BEEN RAISED AT LEAST 5*C.
Claim 2
Independent Claim
105 words
THE METHOD OF TREATING CLAY TO IMPROVE ITS PROCESSING PROPERTIES WHICH COMPRISES THE STEPS OF PREPARING A MIXTURE OF A CLAY, COMPOSED PRINCIPALLY OF KAOLINITE, WATER AND A PEPTIZING AGENT FOR THE CLAY, IN THE PROPORTIONS OF FROM ABOUT 115 TO ABOUT 210 VOLUMES OF CLAY TO 10 VOLUMES OF WATER AND FROM ABOUT 0.05% TO ABOUT 1% OF PEPTIZING AGENT BASED ON THE WEIGHT OF CLAY, AND KNEADING THE MIXTURE AT A RATE SUCH THAT THE TEMPERATURE OF THE MIXTURE RISES AT A RATE OF AT LEAST 5*C. IN 5 MINUTES AND UNTIL THE TEMPERATURE OF THE MIXTURE HAS BEEN RAISED AT LEAST 5*C.
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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |