Patent US3087544A successfully refreshed from Google Patents.
US3087544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous seal for a borehole
Assignee: Jersey Production Research Co
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Filing: 1959-05-11
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Granted: 1963-04-30
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 James P Forsman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:21
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/506; C09K8/508; C09K8/5086; E; E21; E21B; E21B21/00; E21B21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IMPROVED PROCESS FOR PREBENTING THE FLOW OF FLUIDS FROM A SUBTERRANEAN FORMATION INTO A WELL BOREHOLE WHICH COMPRISES INJECTING INTO SAID FORMATION A GEL FORMING BLEND COMPRISING A POLYESTER SECURED BY COPOLYMERIZING A PHTHALIC ORGANIC COMPOUND, A MALEIC ORGANIC COMPOUND AND A GLYCOL; AND A VINYL AROMATIC ALONG WITH A GELLING CATALYST WHEREIN SAID COPOLYMERIZING IS CARRIED OUT BY HEATING THE GLYCOL TO ABOUT 100*C., THEN ADDING SAID PHTHALIC ORGANIC COMPOUND AND SAID MALEIC ORGANIC COMPOUND AND HEATING THE MIXTURE TO A TEMPERATURE IN THE
Claim 2
Dependent Claim
85 words
IMPROVED PROCESS FOR PREBENTING THE FLOW OF FLUIDS FROM A SUBTERRANEAN FORMATION INTO A WELL BOREHOLE WHICH COMPRISES INJECTING INTO SAID FORMATION A GEL FORMING BLEND COMPRISING A POLYESTER SECURED BY COPOLYMERIZING A PHTHALIC ORGANIC COMPOUND, A MALEIC ORGANIC COMPOUND AND A GLYCOL; AND A VINYL AROMATIC ALONG WITH A GELLING CATALYST WHEREIN SAID COPOLYMERIZING IS CARRIED OUT BY HEATING THE GLYCOL TO ABOUT 100*C., THEN ADDING SAID PHTHALIC ORGANIC COMPOUND AND SAID MALEIC ORGANIC COMPOUND AND HEATING THE MIXTURE TO A TEMPERATURE IN THE
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |