US3004923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and compositions for inhibiting and preventing the foaming of aqueous systems
Assignee: ChampionX LLC
•
Filing: 1958-12-15
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Granted: 1961-10-17
•
Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Myron J Jursich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:11
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0495
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
49 words
THE PROCESS OF INHIBITING AND PREVENTING THE FOAMING OF AQUEOUS SYSTEMS WHICH NORMALLY TEND TO FOAM WHICH COMPRISES ADDING TO SUCH SYSTEMS FROM ONE TO 500 PARTS PER MILLION OF AN ALIPHATIC OLEFINIC HYDROCARBON SUBSTITUTED SUCCINIC ANHYDRIDE WHICH CONTAINS FROM 12 TO 35 CARBONS ATOMS IN THE ALIPHATIC GROUP.
Claim 2
Dependent Claim
49 words
THE PROCESS OF INHIBITING AND PREVENTING THE FOAMING OF AQUEOUS SYSTEMS WHICH NORMALLY TEND TO FOAM WHICH COMPRISES ADDING TO SUCH SYSTEMS FROM ONE TO 500 PARTS PER MILLION OF AN ALIPHATIC OLEFINIC HYDROCARBON SUBSTITUTED SUCCINIC ANHYDRIDE WHICH CONTAINS FROM 12 TO 35 CARBONS ATOMS IN THE ALIPHATIC GROUP.
Claim 3
Dependent Claim
48 words
A DEFOAMING COMPOSITION USEFUL IN INHIBITING AND PREVENTING FOAMING IN AQUEOUS SYSTEMS WHICH COMPRISES A MAJOR PORTION OF AN ALIPHATIC HYDROCARBON OIL AND FROM 2% TO 40% BY WEIGHT OF AN ALIPHATIC HYDROCARBON SUBSTITUTED SUCCINIC ANHYDRIDE WHICH CONTAINS FROM 12 TO 35 CARBON ATOMS IN THE ALIPHATIC GROUP.
Claim 4
Dependent Claim
48 words
A DEFOAMING COMPOSITION USEFUL IN INHIBITING AND PREVENTING FOAMING IN AQUEOUS SYSTEMS WHICH COMPRISES A MAJOR PORTION OF AN ALIPHATIC HYDROCARBON OIL AND FROM 2% TO 40% BY WEIGHT OF AN ALIPHATIC HYDROCARBON SUBSTITUTED SUCCINIC ANHYDRIDE WHICH CONTAINS FROM 12 TO 35 CARBON ATOMS IN THE ALIPHATIC GROUP.
References Cited (Backward Citations)
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US2133734A
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US2328551A
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US2430858A
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US2748086A
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US2868734A
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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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |