Patent US1491654A successfully refreshed from Google Patents.
US2644762A
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Modified locust bean gum, solution thereof, and process for making a locust bean gumsolution
Assignee: Stein Hall and Co Inc
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Filing: 1948-12-16
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Granted: 1953-07-07
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Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Frisch Nat
- 👤 Frank J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:52
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/31
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
AN AQUEOUS SOLUTION WHEREIN ABOUT 50% TO 96% BY WEIGHT OF THE SOLUTE IS LOCUST BEAN GUM, ABOUT 2% TO 35% BY WEIGHT OF THE SOLUTE IS A SODIUM BORATE AND ABOUT 1% TO 20% BY WEIGHT OF THE SOLUTE IS AN ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF GLYOXAL AND PYRUVIC ALDEHYDE.
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) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |