US2666017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nutrient media containing antifoaming agents
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-07-14
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Granted: 1954-01-12
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Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 Henry V Moss
- 👤 Roy E Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:25
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C; C12; C12N; C12N1/00; C12N1/38; Y; Y10; Y10S; Y10S435/00; Y10S435/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN AQUEOUS NUTRIENT FERMENTATION MEDIUM NORMALLY HAVING A TENDENCY TO FOAM EXCESSIVELY AND A SUFFICIENT AMOUNT OF AN ANTIFOAMING AGENT TO RENDER SAID MEDIUM SUBSTANTIALLY NON-FOAMING SAID AGENT BEING THE CONDENSATION PRODUCT OF ABOUT 0.75 TO ABOUT 6 MOLS OF ETHYLENE OXIDE WITH 1 MOLE OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF ABIETIC ACID AND PRODUCTS CONTAINING SAME.
Claim 2
Dependent Claim
59 words
AN AQUEOUS NUTRIENT FERMENTATION MEDIUM NORMALLY HAVING A TENDENCY TO FOAM EXCESSIVELY AND A SUFFICIENT AMOUNT OF AN ANTIFOAMING AGENT TO RENDER SAID MEDIUM SUBSTANTIALLY NON-FOAMING SAID AGENT BEING THE CONDENSATION PRODUCT OF ABOUT 0.75 TO ABOUT 6 MOLS OF ETHYLENE OXIDE WITH 1 MOLE OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF ABIETIC ACID AND PRODUCTS CONTAINING SAME.
References Cited (Backward Citations)
GB467571A
Cited
US2448790A
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US2443989A
Cited
US2550450A
Cited
US2469493A
Cited
US2523245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |