Patent US3293040A successfully refreshed from Google Patents.
US3293040A
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Method for chill-proofing beer with water soluble alkyl cellulose ethers
Assignee: American Tansul Co
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Filing: 1964-05-25
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Granted: 1966-12-20
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard G Shaler
- 👤 Raymond L Mcadam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:41
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/02; C12H1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN THE METHOD OF TREATING BEAR WITH A SWELLING GELLING CLAY TO CHILL-PROOF THE BEER, THE IMPROVEMENT WHICH COMPRISES ADDING ABOUT .1-20% BY WEIGHT WITH RESPECT TO THE CLAY OF A WATER SOLUBLE ALKYL CELLULOSE ETHER TO THE BEER DURING THE TREATMENT THEREOF CONCURRENTLY WITH SAID CLAY WHEREBY THE SLUDGE LEVEL OF THE CLAY AND THE TURBIDITY OF THE BEER ARE REDUCED.
Claim 2
Dependent Claim
62 words
IN THE METHOD OF TREATING BEAR WITH A SWELLING GELLING CLAY TO CHILL-PROOF THE BEER, THE IMPROVEMENT WHICH COMPRISES ADDING ABOUT .1-20% BY WEIGHT WITH RESPECT TO THE CLAY OF A WATER SOLUBLE ALKYL CELLULOSE ETHER TO THE BEER DURING THE TREATMENT THEREOF CONCURRENTLY WITH SAID CLAY WHEREBY THE SLUDGE LEVEL OF THE CLAY AND THE TURBIDITY OF THE BEER ARE REDUCED.
References Cited (Backward Citations)
US2291624A
Cited
US2588379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |