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Patent US2715613A successfully refreshed from Google Patents.
US2715613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defoamer
Assignee: JBS USA LLC
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Filing: 1950-10-12
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Granted: 1955-08-16
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Expires: 1970-10-12
Abstract
No abstract record available.
Inventors
- 👤 Gibson Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:45
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; Y; Y10; Y10S; Y10S159/00; Y10S159/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD OF ABATING FOAM PRODUCED BY HEATING AND AGITATING SOLUTIONS AND DISPERSIONS OF FOAMABLE MATERIALS WHICH COMPRISES: ADDING TO SAID SOLUTIONS AND DISPERSIONS AN AGENT CONSISTING ESSENTIALLY OF A 5 TO 10 PERCENT BY WEIGHT DISPERSION OF PENTAERYTHRITOL MONOSTEARATE IN A LIQUID MEDIA, IN AN AMOUNT TO SUBSTANTIALLY INHIBIT FOAMING OF THE MATERIAL.
Claim 2
Independent Claim
54 words
A METHOD OF ABATING FOAM PRODUCED BY HEATING AND AGITATING SOLUTIONS AND DISPERSIONS OF FOAMABLE MATERIALS WHICH COMPRISES: ADDING TO SAID SOLUTIONS AND DISPERSIONS AN AGENT CONSISTING ESSENTIALLY OF A 5 TO 10 PERCENT BY WEIGHT DISPERSION OF PENTAERYTHRITOL MONOSTEARATE IN A LIQUID MEDIA, IN AN AMOUNT TO SUBSTANTIALLY INHIBIT FOAMING OF THE MATERIAL.
References Cited (Backward Citations)
US1150499A
Cited
US2266018A
Cited
US2346928A
Cited
US2290413A
Cited
US2389429A
Cited
US2500349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |