Patent US3148970A successfully refreshed from Google Patents.
US3148970A
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Gelled ammonia solution and method for producing same
Assignee: Minerals and Chemicals Philipp Corp
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Filing: 1961-03-28
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Granted: 1964-09-15
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Homer A Smith
- 👤 Jr Edgar W Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:56
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/003; B; B01; B01J; B01J19/00; B01J19/06; C05; C05C; C05C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A GELLED AMMONIA CONCENTRATE COMPRISING A 5% TO 30% SOLUTION OF AMMONIA IN WATER HAVING DISPERSED THEREIN FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF COLLOIDAL CLAY AND HAVING DISSOLVED THEREIN, IN AMOUNT SUFFICIENT TO PRODUCE A STABLE GELLED SYSTEM, A SOLUBLE SOURCE OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CA++,MG++,BA++ AND AL+++.
Claim 2
Dependent Claim
58 words
A GELLED AMMONIA CONCENTRATE COMPRISING A 5% TO 30% SOLUTION OF AMMONIA IN WATER HAVING DISPERSED THEREIN FROM ABOUT 1% TO ABOUT 20% BY WEIGHT OF COLLOIDAL CLAY AND HAVING DISSOLVED THEREIN, IN AMOUNT SUFFICIENT TO PRODUCE A STABLE GELLED SYSTEM, A SOLUBLE SOURCE OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CA++,MG++,BA++ AND AL+++.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |