US3332748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of hop bitters from beer with iso-octane using synchronized pulses in a helical coil
Assignee: Akzo Nobel UK PLC
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Filing: 1965-07-14
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Granted: 1967-07-25
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Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Betts Max William
- 👤 Spicer Jack Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:20
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; G01N33/14; G01N33/146; B; B01; B01D; B01D11/00; B01D11/04; B01D11/0446; B01D11/0453; C; C12; C12C; C12C11/00; C12C11/11; C12C3/00; C12C7/00; C12C7/28; G01N25/00; G01N25/14; C12C3/04; C12C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE PROCESS FOR THE EXTRATION OF HOP BITTERS FROM ITS SOLUTION IN BEER BY SOLVENT EXRACTION WHICH COMPRISES FEEDING THE BEER AND ISO-OCTANE IN SYNCHRONISED PULSES ALONG A HORIZONTALLY DISPOSED HELICAL PATH AND SEPARATING THE RESIDUAL BEER FROM THE SOLUTION OF THE HOP BITTERS IN THE ISO-OCTANE.
Claim 2
Dependent Claim
47 words
THE PROCESS FOR THE EXTRATION OF HOP BITTERS FROM ITS SOLUTION IN BEER BY SOLVENT EXRACTION WHICH COMPRISES FEEDING THE BEER AND ISO-OCTANE IN SYNCHRONISED PULSES ALONG A HORIZONTALLY DISPOSED HELICAL PATH AND SEPARATING THE RESIDUAL BEER FROM THE SOLUTION OF THE HOP BITTERS IN THE ISO-OCTANE.
References Cited (Backward Citations)
US2967764A
Cited
US3109713A
Cited
GB928672A
Cited
FR1330526A
Cited
US3211530A
Cited
US3204934A
Cited
US3199956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |