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US3839588A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of preparing hop extracts

Assignee: Commonwealth Scientific and Industrial Research Organisation
•
Filing: 1972-07-05
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Granted: 1974-10-01
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Expires: 1992-07-05
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Abstract

Abstract 1. A PROCES OF PREPARING A CONCENTRATED HOP EXTRACT OR AN ISOMERIZED HOP EXTRACT, CONTAINING HOMOLONES AND LUPULONES MARY HOP EXTRACT, CONTAINING HUMOLONES AND LUPULONES IN A WATER-IMMISCIBLE SOLVENT, WITH AN AQUEOUS SOLUTION OF AN ALKALI HAVING A WEIGHT PERCENT CONCENTRATION OF ABOUT 8-30, TO FORM A THREE-PHASE LIQUID SYSTEM, ONE PHASE BEING A HUMULONES PHASE CONTAINING HUMULONES IN THE FROM OF THEIR ALKALI METAL SALTS, A SECOND PHASE BEING A WATER-IMMISCIBLE SOLVENT PHASE SUBSTANTIALLY FREE OF HUMULONES AND CONTAINING LUPULONES, AND A THIRD PHASE BEING AN AQUEOUS PHASE SUBSTANTIALLY FREE OF HUMULONES, AND RECOVERING SAID HUMULONES PHASE FROM THE OTHER PHASES OF THE SYSTEM.

Inventors

  • 👤 R Taylor
  • 👤 F Sweett
  • 👤 P Casamento

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:27
CPC Classifications
C; C12; C12C; C12C3/00; C12C3/12; C12C3/04; C12C3/08; C12C7/00; C12C7/28; C12C7/287

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 104 words
A PROCES OF PREPARING A CONCENTRATED HOP EXTRACT OR AN ISOMERIZED HOP EXTRACT, CONTAINING HOMOLONES AND LUPULONES MARY HOP EXTRACT, CONTAINING HUMOLONES AND LUPULONES IN A WATER-IMMISCIBLE SOLVENT, WITH AN AQUEOUS SOLUTION OF AN ALKALI HAVING A WEIGHT PERCENT CONCENTRATION OF ABOUT 8-30, TO FORM A THREE-PHASE LIQUID SYSTEM, ONE PHASE BEING A HUMULONES PHASE CONTAINING HUMULONES IN THE FROM OF THEIR ALKALI METAL SALTS, A SECOND PHASE BEING A WATER-IMMISCIBLE SOLVENT PHASE SUBSTANTIALLY FREE OF HUMULONES AND CONTAINING LUPULONES, AND A THIRD PHASE BEING AN AQUEOUS PHASE SUBSTANTIALLY FREE OF HUMULONES, AND RECOVERING SAID HUMULONES PHASE FROM THE OTHER PHASES OF THE SYSTEM.
Claim 2
Dependent Claim 104 words
A PROCES OF PREPARING A CONCENTRATED HOP EXTRACT OR AN ISOMERIZED HOP EXTRACT, CONTAINING HOMOLONES AND LUPULONES MARY HOP EXTRACT, CONTAINING HUMOLONES AND LUPULONES IN A WATER-IMMISCIBLE SOLVENT, WITH AN AQUEOUS SOLUTION OF AN ALKALI HAVING A WEIGHT PERCENT CONCENTRATION OF ABOUT 8-30, TO FORM A THREE-PHASE LIQUID SYSTEM, ONE PHASE BEING A HUMULONES PHASE CONTAINING HUMULONES IN THE FROM OF THEIR ALKALI METAL SALTS, A SECOND PHASE BEING A WATER-IMMISCIBLE SOLVENT PHASE SUBSTANTIALLY FREE OF HUMULONES AND CONTAINING LUPULONES, AND A THIRD PHASE BEING AN AQUEOUS PHASE SUBSTANTIALLY FREE OF HUMULONES, AND RECOVERING SAID HUMULONES PHASE FROM THE OTHER PHASES OF THE SYSTEM.

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) 1977-09-30 1978-04-01 1978-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-09-30 1982-04-01 1982-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-09-30 1986-04-01 1986-10-01 $7700.00 Window Closed / Lapsed

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