Patent US3399189A successfully refreshed from Google Patents.
US3399189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamarind extract
Assignee: Kraft Inc
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Filing: 1966-02-25
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Granted: 1968-08-27
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:45
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PROCESS FOR RECOVERING AN IMPROVED POLYSACCHARIDE FROM TAMARIND SEED KERNELS WHICH COMPRISES, IN COMBINATION, THE STEPS OF GRINDING TAMARIND SEED KERNELS TO PROVIDE TAMARIND KERNEL POWDER, TREATING THE TAMARIND KERNEL POWDER WITH A POLAR ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALCOHOLS, ALDEHYDES, KETONES, POLYOLS AND ETHERS, SAID POLAR ORGANIC COMPOUND BEING PRESENT AT A LEVEL SUFFICIENT TO PROVIDE A FLUID SLURRY, RECOVERING THE TREATED TAMARIND KERNEL POWDER FROM THE POLAR ORGANIC COMPOUND, CONTACTING THE TREATED TAMARIND KERNEL POWDER WITH A SUBSTANTIAL EXCESS OF WATER WITH RESPECT TO THE WEIGHT OF THE TAMARIND KERNEL POWDER SO AS TO EXTRACT THE POLYSACCHARIDES, SEPARATING THE WATER, CONTAINING POLYSACCHARIDES, FROM THE REMAINING TAMARIND KERNEL POWDER, AND RECOVERING THE POLYSACCHARIDES FROM THE WATER.
Claim 2
Dependent Claim
121 words
A PROCESS FOR RECOVERING AN IMPROVED POLYSACCHARIDE FROM TAMARIND SEED KERNELS WHICH COMPRISES, IN COMBINATION, THE STEPS OF GRINDING TAMARIND SEED KERNELS TO PROVIDE TAMARIND KERNEL POWDER, TREATING THE TAMARIND KERNEL POWDER WITH A POLAR ORGANIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF ALCOHOLS, ALDEHYDES, KETONES, POLYOLS AND ETHERS, SAID POLAR ORGANIC COMPOUND BEING PRESENT AT A LEVEL SUFFICIENT TO PROVIDE A FLUID SLURRY, RECOVERING THE TREATED TAMARIND KERNEL POWDER FROM THE POLAR ORGANIC COMPOUND, CONTACTING THE TREATED TAMARIND KERNEL POWDER WITH A SUBSTANTIAL EXCESS OF WATER WITH RESPECT TO THE WEIGHT OF THE TAMARIND KERNEL POWDER SO AS TO EXTRACT THE POLYSACCHARIDES, SEPARATING THE WATER, CONTAINING POLYSACCHARIDES, FROM THE REMAINING TAMARIND KERNEL POWDER, AND RECOVERING THE POLYSACCHARIDES FROM THE WATER.
References Cited (Backward Citations)
US3287350A
Cited
US3309356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |