US3238142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifoaming composition
Assignee: Wyeth Holdings LLC
•
Filing: 1963-10-16
•
Granted: 1966-03-01
•
Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Perry Allen Capus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:06
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; C; C01; C01B; C01B25/00; C01B25/16; C01B25/18; C01B25/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A COMPOSITION FOR THE INHIBITION OF FOAM WHICH CONSISTS ESSENTIALLY OF A MAJOR PROPORTION OF AN OIL SELECTED FROM THE GROUP CONSISTING OF TALL OIL, RED OIL AND PINE OIL, AND A MINOR PROPORTION OF AN ETHOXYLATED LOWER ALKANOL SELECTED FROM THE GROUP CONSISTING OF ETHOXYLATED ETHANOL, ETHOXYLATED PROPANOL AND ETHOXYLATED BUNTANOL AND CONTAINING FROM FOUR TO SIX ETHYLENE OXIDE RESIDUES PER MOLECULE, SAID ETHOXYLATED LOWER ALKANOL BEING PRESENT IN AMOUNTS RANGING FROM ABOUT 10% TO ABOUT 25%.
Claim 2
Dependent Claim
78 words
A COMPOSITION FOR THE INHIBITION OF FOAM WHICH CONSISTS ESSENTIALLY OF A MAJOR PROPORTION OF AN OIL SELECTED FROM THE GROUP CONSISTING OF TALL OIL, RED OIL AND PINE OIL, AND A MINOR PROPORTION OF AN ETHOXYLATED LOWER ALKANOL SELECTED FROM THE GROUP CONSISTING OF ETHOXYLATED ETHANOL, ETHOXYLATED PROPANOL AND ETHOXYLATED BUNTANOL AND CONTAINING FROM FOUR TO SIX ETHYLENE OXIDE RESIDUES PER MOLECULE, SAID ETHOXYLATED LOWER ALKANOL BEING PRESENT IN AMOUNTS RANGING FROM ABOUT 10% TO ABOUT 25%.
References Cited (Backward Citations)
US2209591A
Cited
US2530953A
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US2575298A
Cited
US2868734A
Cited
GB803544A
Cited
US3076768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |