US3198744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for controlling foaming of an aqueous system
Assignee: ChampionX LLC
•
Filing: 1960-09-15
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Granted: 1965-08-03
•
Expires: 1980-09-15
Abstract
No abstract record available.
Inventors
- 👤 William A Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:22
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR CONTROLLING FOAMING OF AN AQUEOUS SYSTEM WHICH NORMALLY TENDS TO FOAM WHICH COMPRISES PROVIDING IN SAID AQUEOUS SYSTEM A SMALL BUT SUFFICIENT AMOUNT TO CONTROL SAID FOAM OF AN ESTER OF POLYOXYPROPYLATED GLYCEROL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 600-1,000 AND AN ALIPHATIC MONOCARBOXYLIC ACID HAVING 12-22 CARBONS.
Claim 2
Dependent Claim
53 words
A PROCESS FOR CONTROLLING FOAMING OF AN AQUEOUS SYSTEM WHICH NORMALLY TENDS TO FOAM WHICH COMPRISES PROVIDING IN SAID AQUEOUS SYSTEM A SMALL BUT SUFFICIENT AMOUNT TO CONTROL SAID FOAM OF AN ESTER OF POLYOXYPROPYLATED GLYCEROL HAVING A MOLECULAR WEIGHT IN THE RANGE OF 600-1,000 AND AN ALIPHATIC MONOCARBOXYLIC ACID HAVING 12-22 CARBONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |