US3114419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for polymerizing liquid resinforming materials
Assignee: Sinclair Research Inc
•
Filing: 1958-06-12
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Granted: 1963-12-17
•
Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Robert O Perry
- 👤 Don R Holbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:48
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/16; C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/506; C09K8/508; C09K8/5083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD FOR DECREASING THE PERMEABILITY OF THE PERMEABLE WELL AREA IN A WELL, THE STEPS COMPRISING INTRODUCING INTO THE WELL AN AQUEOUS RESIN-FORMING COMPOSITION CONSISTING ESSENTIALLY OF WATER AND FROM ABOUT 5% UP TO ITS LIMIT OF SOLUBILITY OF A MIXTURE OF (A) ABOUT 1 TO 25 WEIGHT PERCENT OF A MONOMERIC ALKYLIDENE ISACRYLAMIDE OF THE FORMULA
Claim 2
Independent Claim
58 words
A METHOD FOR DECREASING THE PERMEABILITY OF THE PERMEABLE WELL AREA IN A WELL, THE STEPS COMPRISING INTRODUCING INTO THE WELL AN AQUEOUS RESIN-FORMING COMPOSITION CONSISTING ESSENTIALLY OF WATER AND FROM ABOUT 5% UP TO ITS LIMIT OF SOLUBILITY OF A MIXTURE OF (A) ABOUT 1 TO 25 WEIGHT PERCENT OF A MONOMERIC ALKYLIDENE ISACRYLAMIDE OF THE FORMULA
References Cited (Backward Citations)
US2171840A
Cited
US2708973A
Cited
US2820777A
Cited
US2801984A
Cited
US2801985A
Cited
US2965553A
Cited
US2900027A
Cited
US2940729A
Cited
US2963412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |