US3042625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes for breaking petroleum emulsions
Assignee: ChampionX LLC
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Filing: 1960-10-28
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Granted: 1962-07-03
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Willard H Kirkpatrick
- 👤 Virgil L Seale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR BREAKING EMULSIONS OF THE WATER-INOIL TYPE WHICH COMPRISES SUBJECTING SAID EMULSION TO THE ACTION OF AN ORGANIC, DICARBOXY ACID MIXED ESTER OF (A) A POLYOXYPROPYLATED ALKYL PHENOL-FORMALDEYYDE CONDENSATION PRODUCTS HAVING 4-15 PHENOLIC NUCLEI, SAID ALKYL PHENOL BEING AT LEAST 75% DIFUNCTIONAL ALKYL PHENOL WITH THE ALKYL GROUPS OF THE PHENOL HAVING AN AVERAGE NUMBER OF CARBON IN THE RANGE OF 4-15 THE WEIGHT RATIO OF OXYPROPYLENE GROUPS TO CONDENSATION PRODUCT FALLING BETWEEN ABOUT 1:2 AND 9:1 RESPECTIVELY AND (B) POLYXYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF AT LEAST 1200, SAID GLYCO SELECTED FROM THE GROUP CONSISTING OF POLYOXYPROPYLENE GLYCOL AND OXYETHYLENE-OXYRPOPYLENEYGLYCOL IN A WEIGHT RATIO OF OXYETHYLENE GROUPS TO OXYPROPYLENE GROUPS NOT EXCEEDING 4:1 THE WEIGHT RATIO OF POLYOXYPROPYLATED CONDENSATION PRODUCT TO POLYOXYALKYLENE GLYCOL BEING BETWEEN ABOUT 1:6 AND 6:1 AND SEPARATING THE RESOLVED WATER AND OIL PHASES OF THE BROKEN EMULSION.
Claim 2
Dependent Claim
145 words
A PROCESS FOR BREAKING EMULSIONS OF THE WATER-INOIL TYPE WHICH COMPRISES SUBJECTING SAID EMULSION TO THE ACTION OF AN ORGANIC, DICARBOXY ACID MIXED ESTER OF (A) A POLYOXYPROPYLATED ALKYL PHENOL-FORMALDEYYDE CONDENSATION PRODUCTS HAVING 4-15 PHENOLIC NUCLEI, SAID ALKYL PHENOL BEING AT LEAST 75% DIFUNCTIONAL ALKYL PHENOL WITH THE ALKYL GROUPS OF THE PHENOL HAVING AN AVERAGE NUMBER OF CARBON IN THE RANGE OF 4-15 THE WEIGHT RATIO OF OXYPROPYLENE GROUPS TO CONDENSATION PRODUCT FALLING BETWEEN ABOUT 1:2 AND 9:1 RESPECTIVELY AND (B) POLYXYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT OF AT LEAST 1200, SAID GLYCO SELECTED FROM THE GROUP CONSISTING OF POLYOXYPROPYLENE GLYCOL AND OXYETHYLENE-OXYRPOPYLENEYGLYCOL IN A WEIGHT RATIO OF OXYETHYLENE GROUPS TO OXYPROPYLENE GROUPS NOT EXCEEDING 4:1 THE WEIGHT RATIO OF POLYOXYPROPYLATED CONDENSATION PRODUCT TO POLYOXYALKYLENE GLYCOL BEING BETWEEN ABOUT 1:6 AND 6:1 AND SEPARATING THE RESOLVED WATER AND OIL PHASES OF THE BROKEN EMULSION.
References Cited (Backward Citations)
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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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |