Patent US3134436A successfully refreshed from Google Patents.
US3134436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for use in well treatment
Assignee: Dow Chemical Co
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Filing: 1958-10-13
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Granted: 1964-05-26
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 James O Means
- 👤 Jr Frank H Braunlich
- 👤 Alfred R Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:06
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/506; C09K8/508; C09K8/5086; Y; Y10; Y10S; Y10S507/00; Y10S507/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A WELL TREATING RESINOUS COMPOSITION SETTABLE TO A SUBSTANTIALLY DRY FLUID-PERMEABLE MATERIAL WHEN INJECTED INTO INTERSTICES AND VOIDS OF AN UNCONSOLIDATED SUBTERRANEAN FORMATION TO CONVERT SAID UNCONSOLIDATED PORTIONS TO CONSOLIDATED FLUID-PERMEABLE STRUCTURES, CONSISTING ESSENTIALLY OF (1) A SECOND STAGE PHENOL-ALDEHYDE TYPE RESIN SELECTED FROM THE CLASS CONSISTING OF PHENOL-FORMALDEHYDE IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 FORMALDEHYDE, CRESYLIC ACID-PARAFORMALDEHYDE IN A MOLAR RATIO OF 1 MOLE OF THE CRESOL GROUP (C6H4CH3OH) TO ABOUT 3 MOLES OF THE ALDEHYDE GROUP (CH2O), AND PHENOL-FORMALDEHYDE-RESORCINOL IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 MOLES OF FORMALDEHYDE TO ABOUT 0.9 MOLE OF RESORCINOL, AND MIXTURES THEREOF AND (2) BETWEEN 50 AND 125 POUNDS OF A CELLULOSE ETHER SELECTED FROM THE CLASS CONSISTING OF METHYL CELLULOSE AND ETHYL CELLULOSE PER THOUSAND GALLONS OF THE RESIN.
Claim 2
Dependent Claim
135 words
A WELL TREATING RESINOUS COMPOSITION SETTABLE TO A SUBSTANTIALLY DRY FLUID-PERMEABLE MATERIAL WHEN INJECTED INTO INTERSTICES AND VOIDS OF AN UNCONSOLIDATED SUBTERRANEAN FORMATION TO CONVERT SAID UNCONSOLIDATED PORTIONS TO CONSOLIDATED FLUID-PERMEABLE STRUCTURES, CONSISTING ESSENTIALLY OF (1) A SECOND STAGE PHENOL-ALDEHYDE TYPE RESIN SELECTED FROM THE CLASS CONSISTING OF PHENOL-FORMALDEHYDE IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 FORMALDEHYDE, CRESYLIC ACID-PARAFORMALDEHYDE IN A MOLAR RATIO OF 1 MOLE OF THE CRESOL GROUP (C6H4CH3OH) TO ABOUT 3 MOLES OF THE ALDEHYDE GROUP (CH2O), AND PHENOL-FORMALDEHYDE-RESORCINOL IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 MOLES OF FORMALDEHYDE TO ABOUT 0.9 MOLE OF RESORCINOL, AND MIXTURES THEREOF AND (2) BETWEEN 50 AND 125 POUNDS OF A CELLULOSE ETHER SELECTED FROM THE CLASS CONSISTING OF METHYL CELLULOSE AND ETHYL CELLULOSE PER THOUSAND GALLONS OF THE RESIN.
References Cited (Backward Citations)
US2349181A
Cited
US2352468A
Cited
US2462253A
Cited
US2556169A
Cited
US2573690A
Cited
US2570892A
Cited
US2592659A
Cited
US2541688A
Cited
US2747671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |