US2748087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for inhibiting foam
Assignee: Baker Petrolite LLC
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Filing: 1951-12-18
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Granted: 1956-05-29
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Expires: 1971-12-18
Abstract
No abstract record available.
Inventors
- 👤 Louis T Monson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:33
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR INHIBITING FOAM, CHARACTERIZED BY SUBJECTING A NON-DETERSIVE FOAMING COMPOSITION TO THE ACTION OF NOT MORE THAN 1% OF A HYDROPHILE OXYALKYLATED 2,4,6 C4- TO C14-HYDROCARBON-SUBSTITUTED MONOCYCLIC PHENOLC1-C8-ALDEHYDE RESIN; THE ALKYLENE RADICALS OF THE OXYALKYLENE GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF PROPYLENE AND MIXTURES OF ETHYLENE AND PROPYLENE RADICALS; WITH THE PROVISO THAT AT LEAST ONE-HALF BY WEIGHT OF SAID OXYALKYLATED RESIN CONSIST OF A MULTIPLE OF THE DIVALENT OXYPROPYLENE GROUP, C3H6O.
Claim 2
Dependent Claim
76 words
A PROCESS FOR INHIBITING FOAM, CHARACTERIZED BY SUBJECTING A NON-DETERSIVE FOAMING COMPOSITION TO THE ACTION OF NOT MORE THAN 1% OF A HYDROPHILE OXYALKYLATED 2,4,6 C4- TO C14-HYDROCARBON-SUBSTITUTED MONOCYCLIC PHENOLC1-C8-ALDEHYDE RESIN; THE ALKYLENE RADICALS OF THE OXYALKYLENE GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF PROPYLENE AND MIXTURES OF ETHYLENE AND PROPYLENE RADICALS; WITH THE PROVISO THAT AT LEAST ONE-HALF BY WEIGHT OF SAID OXYALKYLATED RESIN CONSIST OF A MULTIPLE OF THE DIVALENT OXYPROPYLENE GROUP, C3H6O.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |