US3267042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel compositions and their use in preventing and inhibiting foam
Assignee: ChampionX LLC
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Filing: 1963-08-05
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Granted: 1966-08-16
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Domba Elemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:10
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0409
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
THE PROCESS OF DEFOAMING AND INHIBITING FOAM FORMATION IN A SYSTEM WHICH NORMALLY TENDS TO BE FORMABLE, WHICH COMPRISES THE STEP OF ADDING TO SUCH SYSTEM IN A AMOUNT SUFFICIENT TO CONTROL SAID FOAM, THE REACTION PRODUCT OF A SILICA ORGANO SOL AND A POLYETHYL SILICATE, SAID REACTION PRODUCT BEING FORMED BY HEATING TOGETHER 0.150% BY WEIGHT OF SAID SOL AND 50-99% BY WEIGHT OF A POLYETHYL SILICATE HAVING A MOLECULAR WEIGHT OF AT LEAST 300 AT A TEMPERATURE LESS THAN 300*C.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |