US2885360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay bodied organic liquids and a process for the preparation thereof
Assignee: Minerals & Chemicals Corp Of A
•
Filing: 1951-09-08
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Granted: 1959-05-05
•
Expires: 1971-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Linwood Haden
- 👤 Cletus O Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:25
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/06; Y; Y10; Y10S; Y10S507/00; Y10S507/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR INCREASING THE VISCOSITY OF AN ORGANIC LIQUID COMPRISING MIXING WITH THE ORGANIC LIQUID A DISPERSING AGENT AND A NATURALLY-OCCURRING CLAY, HAVING A SURAFACE AREA OF AT LEAST 50 SQUARE METERS PER GRAM AND A FREE-MOISTURE CONTENT OF AT LEAST 5 PERCENT BY WEIGHT, APPLYING SHEAR TO THE MIXTURE, AND SIMULTANEOUSLY VAPORIZING A PORTION OF THE FREE MOISTURE OF THE CLAY THEREBY TO SUBSTANTIALLY COMPLETELY DISPERSE THE CLAY IN THE ORGANIC LIQUID.
Claim 2
Dependent Claim
74 words
A PROCESS FOR INCREASING THE VISCOSITY OF AN ORGANIC LIQUID COMPRISING MIXING WITH THE ORGANIC LIQUID A DISPERSING AGENT AND A NATURALLY-OCCURRING CLAY, HAVING A SURAFACE AREA OF AT LEAST 50 SQUARE METERS PER GRAM AND A FREE-MOISTURE CONTENT OF AT LEAST 5 PERCENT BY WEIGHT, APPLYING SHEAR TO THE MIXTURE, AND SIMULTANEOUSLY VAPORIZING A PORTION OF THE FREE MOISTURE OF THE CLAY THEREBY TO SUBSTANTIALLY COMPLETELY DISPERSE THE CLAY IN THE ORGANIC LIQUID.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |