Patent US3723368A successfully refreshed from Google Patents.
US3723368A
Expired / Lapsed
US
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Fast baking core composition and process for preparation thereof
Assignee: OUAKER OATS CO
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Filing: 1970-10-05
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Granted: 1973-03-27
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Expires: 1990-10-05
Abstract
Abstract THIS INVENTION TO FAST BAKING CORE COMPOSITIONS WHICH HAVE LONG BENCH LIFE, HIGH TENSILE STRENGTH ON CURE, GOOD RESISTANCE TO HUMIDITY ON CURE AND HIGH GREEN STRENGTH, YET THE CORE COMPOSITION IS BLOWABLE. THE FAST BAKING CORE COMPOSITIONS OF THIS INVENTION COMPRISE A THERMOSETTING RESIN SELECTED FROM THE GROUP OF FURAN PHENOLIC RESOLE, AND FURAN-PHENOLIC RESINS; A GELLING AGENT; WATER; HYDROPHOBIC RESIN; AND SAND; SAID HYDROPHOBIC RESIN BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF SOLID POWDERED PHENOLIC NOVOLACS AND SOLID ROSINS.
Inventors
- 👤 L Brown
- 👤 D Eftax
- 👤 G Everett
- 👤 J Oldham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:00
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/22; B22C1/2233
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |