US3193395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentration of beer by crystallization
Assignee: Phillips Petroleum Co
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Filing: 1962-05-04
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Granted: 1965-07-06
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Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Donald C Tabler
- 👤 Jr Merritt V De Lano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:11
CPC Classifications
C; C12; C12H; C12H6/00; C12H6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A PROCESS FOR CONCENTRATING BEER AS IT COMES FROM THE FERMENTERS WHICH COMPRISES INJECTING INTO SAID BEER FROM 10 TO 200 PARTS PER MILLION OF A LIQUID POLYDIMETHYLSILOXANE ANTIFOAM AGENT, COOLING THE BEER CONTAINING THE ANTIFOAM AGENT TO FORM A CRYSTAL SLURRY OF ICE IN A MOTHER LIQUOR BEER CONCENTRATE, THE SOLIDS CONTENT OF SAID SLURRY BEING IN THE RANGE OF 20 TO 75 WEIGHT PERCENT, SUBJECTING SAID SLURRY WITH AGITATION TO SUB-ATMOSPHERIC PRESSURE IN THE RANGE OF ABOUT 1 TO 10 P.S.I.A. THEREBY INDUCING REMOVAL OF SUBSTANTIALLY ALL THE CARBON DIOXIDE FROM SAID SLURRY, PASSING SAID SLURRY HAVING A SOLIDS CONTENT IN THE RANGE OF ABOUT 20 TO 50 WEIGHT PERCENT INTO A CONFINED ZONE WHEREIN SAID ICE CRYSTALS ARE PASSED IN A COMPACT MASS INTO A BODY OF CRYSTAL MELT FORMED BY A MELTING SAID ICE CRYSTALS IN A DOWNSTREAM PORTION OF SAID ZONE WHILE MELT IS DISPLACED INTO SAID CRYSTAL MASS AND MOTHER LIQUOR IS WITHDRAWN AS A CONCENTRATED SOLUTION FROM AN UPSTREAM PORTION OF SAID ZONE.
Claim 2
Dependent Claim
170 words
A PROCESS FOR CONCENTRATING BEER AS IT COMES FROM THE FERMENTERS WHICH COMPRISES INJECTING INTO SAID BEER FROM 10 TO 200 PARTS PER MILLION OF A LIQUID POLYDIMETHYLSILOXANE ANTIFOAM AGENT, COOLING THE BEER CONTAINING THE ANTIFOAM AGENT TO FORM A CRYSTAL SLURRY OF ICE IN A MOTHER LIQUOR BEER CONCENTRATE, THE SOLIDS CONTENT OF SAID SLURRY BEING IN THE RANGE OF 20 TO 75 WEIGHT PERCENT, SUBJECTING SAID SLURRY WITH AGITATION TO SUB-ATMOSPHERIC PRESSURE IN THE RANGE OF ABOUT 1 TO 10 P.S.I.A. THEREBY INDUCING REMOVAL OF SUBSTANTIALLY ALL THE CARBON DIOXIDE FROM SAID SLURRY, PASSING SAID SLURRY HAVING A SOLIDS CONTENT IN THE RANGE OF ABOUT 20 TO 50 WEIGHT PERCENT INTO A CONFINED ZONE WHEREIN SAID ICE CRYSTALS ARE PASSED IN A COMPACT MASS INTO A BODY OF CRYSTAL MELT FORMED BY A MELTING SAID ICE CRYSTALS IN A DOWNSTREAM PORTION OF SAID ZONE WHILE MELT IS DISPLACED INTO SAID CRYSTAL MASS AND MOTHER LIQUOR IS WITHDRAWN AS A CONCENTRATED SOLUTION FROM AN UPSTREAM PORTION OF SAID ZONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |