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US2583771A
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Prevention of foaming in steam generation
Assignee: Dearborn Chemical Co
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Filing: 1948-05-08
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Granted: 1952-01-29
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Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Lewis O Gunderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:02
CPC Classifications
B; B01; B01B; B01B1/00; B01B1/02; B01B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE METHOD OF GENERATING STEAM FROM A WATER HAVING A TENDENCY TO FOAM ON BOILING WHICH COMPRISES DISPERSING INTO SAID WATER IN AN AMOUNT SUFFICIENT SUBSTANTIALLY TO INHIBIT THE TENDENCY OF SAID WATER TO FOAM ON BOILING A COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
42 words
THE METHOD OF GENERATING STEAM FROM A WATER HAVING A TENDENCY TO FOAM ON BOILING WHICH COMPRISES DISPERSING INTO SAID WATER IN AN AMOUNT SUFFICIENT SUBSTANTIALLY TO INHIBIT THE TENDENCY OF SAID WATER TO FOAM ON BOILING A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US1924698A
Cited
US2366727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |