US3364265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hop constituents and method of making same
Assignee: Steiner S S Inc
•
Filing: 1964-06-22
•
Granted: 1968-01-16
•
Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Klingel Harry
- 👤 Kurt S Konigsbacher
- 👤 Roller Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:35
CPC Classifications
C; C12; C12C; C12C3/00; C12C3/12; C12C3/04; C12C3/06; C12C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR OBTAINING THE WATER SOLUBLE SALTS OF ALPHA-ACIDS SUBSTANTIALLY FREE OF BETA-ACID SALTS FROM A SOLVENT EXTRACT OF HOPS CONTAINING A MIXTURE OF ALPHAACIDS AND BETA-ACIDS, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF HEXANES, TOLUENE AND CHLOROFORM, SAID METHOD COMPRISING COMBINING WITH SAID SOLVENT EXTRACT AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF WATER AND AN ALKALI METAL HYDROXIDE, THE LATTER IN A SUBSTANTIALLY STOICHIOMETRIC AMOUNT BASED ON AN ESTIMATED AMOUNT OF ALPHA ACIDS PRESENT IN THE SOLVENT EXTRACT TO FORM (1) AN AQUEOUS ALKALI EXTRACT CONTAINING WATER SOLUBLE SALTS OF ALPHA-ACIDS, SUBSTANTIALLY FREE OF BETA-ACID SALTS, AND (2) A SOLVENT SOLUTION CONTAINING BETA ACIDS.
Claim 2
Independent Claim
107 words
A METHOD FOR OBTAINING THE WATER SOLUBLE SALTS OF ALPHA-ACIDS SUBSTANTIALLY FREE OF BETA-ACID SALTS FROM A SOLVENT EXTRACT OF HOPS CONTAINING A MIXTURE OF ALPHAACIDS AND BETA-ACIDS, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF HEXANES, TOLUENE AND CHLOROFORM, SAID METHOD COMPRISING COMBINING WITH SAID SOLVENT EXTRACT AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF WATER AND AN ALKALI METAL HYDROXIDE, THE LATTER IN A SUBSTANTIALLY STOICHIOMETRIC AMOUNT BASED ON AN ESTIMATED AMOUNT OF ALPHA ACIDS PRESENT IN THE SOLVENT EXTRACT TO FORM (1) AN AQUEOUS ALKALI EXTRACT CONTAINING WATER SOLUBLE SALTS OF ALPHA-ACIDS, SUBSTANTIALLY FREE OF BETA-ACID SALTS, AND (2) A SOLVENT SOLUTION CONTAINING BETA ACIDS.
References Cited (Backward Citations)
CA619563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |