Patent US2846404A successfully refreshed from Google Patents.
US2846404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam generation and compositions for inhibiting foam therein
Assignee: ChampionX LLC
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Filing: 1956-05-28
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Granted: 1958-08-05
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Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Carl E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:20
CPC Classifications
B; B01; B01B; B01B1/00; B01B1/02; B01B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD OF GENERATING STREAM FROM A BOILER WATER HAVING A TENDENCY TO FOAM ON BOILING WHICH COMPRISES DISPERSING IN SAID WATER A QUANTITY OF A POLYOXYALKYLENE DIOL HAVING A PLURALITY OF INTERCONNECTED OXYALKYLENE GROUPS, EACH CONTAINING 2 TO 10 CARBON ATOMS, INTERLINKED WITH A SUFFICIENT NUMBER OF
Claim 2
Independent Claim
48 words
A METHOD OF GENERATING STREAM FROM A BOILER WATER HAVING A TENDENCY TO FOAM ON BOILING WHICH COMPRISES DISPERSING IN SAID WATER A QUANTITY OF A POLYOXYALKYLENE DIOL HAVING A PLURALITY OF INTERCONNECTED OXYALKYLENE GROUPS, EACH CONTAINING 2 TO 10 CARBON ATOMS, INTERLINKED WITH A SUFFICIENT NUMBER OF
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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |