US3180786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amide-ether compounds and use in inhibiting foam
Assignee: ChampionX LLC
•
Filing: 1962-04-02
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Granted: 1965-04-27
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Domba Elemer
- 👤 William A Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:31
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/30; C22B34/34; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0413
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
A NEW COMPOSITION OF MATTER USEFUL IN DEFOAMING AND INHIBITING FOAM FORMATION WHICH COMPRISES AN AMIDEETHER COMPOUND HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
22 words
A NEW COMPOSITION OF MATTER USEFUL IN DEFOAMING AND INHIBITING FOAM FORMATION WHICH COMPRISES AN AMIDEETHER COMPOUND HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 3
Dependent Claim
44 words
THE PROCESS OF DEFOAMING AND INHIBITING FOAM FORMATION IN A SYSTEM WHICH NORMALLY TENDS TO BE FOAMABLE WHICH COMPRISES THE STEP OF ADDING TO SUCH SYSTEM AN AMIDE-ETHER COMPOUND IN AN AMOUNT SUFFICIENT TO CONTROL SAID FOAM, SAID COMPOUND HAVING THE GENERAL STRUCTURAL FORMULA:
Claim 4
Dependent Claim
44 words
THE PROCESS OF DEFOAMING AND INHIBITING FOAM FORMATION IN A SYSTEM WHICH NORMALLY TENDS TO BE FOAMABLE WHICH COMPRISES THE STEP OF ADDING TO SUCH SYSTEM AN AMIDE-ETHER COMPOUND IN AN AMOUNT SUFFICIENT TO CONTROL SAID FOAM, SAID COMPOUND HAVING THE GENERAL STRUCTURAL FORMULA:
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |