US2622070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for inhibiting foam
Assignee: Baker Petrolite LLC
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Filing: 1947-09-19
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Granted: 1952-12-16
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Expires: 1967-09-19
Abstract
No abstract record available.
Inventors
- 👤 Louis T Monson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:53
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR INHIBITING FOAM, CHARACTERIZED BY SUBJECTING A FOAMING COMPOSITION TO THE ACTION OF NOT MORE THAN 1% OF A REAGENT COMPRISING A MIXTURE OF: (A) A BASIC ACYLATED POLYAMINOALCOHOL; SAID ACYLATED POLYAMINOALCOHOL BEING A MEMBER OF THE CLASS CONSISTING OF
Claim 2
Dependent Claim
42 words
A PROCESS FOR INHIBITING FOAM, CHARACTERIZED BY SUBJECTING A FOAMING COMPOSITION TO THE ACTION OF NOT MORE THAN 1% OF A REAGENT COMPRISING A MIXTURE OF: (A) A BASIC ACYLATED POLYAMINOALCOHOL; SAID ACYLATED POLYAMINOALCOHOL BEING A MEMBER OF THE CLASS CONSISTING 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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |