Patent US4017161A successfully refreshed from Google Patents.
Patent US3226378A successfully refreshed from Google Patents.
US3226378A
Expired / Lapsed
US
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Process for the purification of natural gums
Assignee: Thomas J Lipton Co
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Filing: 1962-04-05
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Granted: 1965-12-28
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Expires: 1982-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert O Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:23
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS WHICH COMPRISES: (A) PLACING A DRY POWDERED NATURAL GUM SELECTED FROM THE GROUP CONSISTING OF GUM TRAGACANTH, GUM ARABIC, KARAYA, ACACIA, ALGINATES, IRISH MOSS, MESQUITE GUM, DAMSON GUM, SLIPPERY ELM MUCILAGE, FLAXSEED MUCILAGE, MANNOGLACTANS AND GLUCOMANNANS WITH AN UNACCEPTABLE STANDARD PLATE COUNT VALUE AND AN ACCEPTABLE STARTING VISCOSITY IN A LAYER IN A CHAMBER; AND (B) HEATING SAID LAYER AT A TEMPERATURE BETWEEN ABOUT 160* AND 190*F. AND A RELATIVE HUMIDITY BETWEEN ABOUT 50 AND 85% TO PROVIDE A POWERED PRODUCT THEREFROM WITH AN ACCEPTABLE STANDARD PLATE COUNT VALUE AND WITH AN ACCEPTABLE VISCOSITY LEVEL.
Claim 2
Dependent Claim
97 words
A PROCESS WHICH COMPRISES: (A) PLACING A DRY POWDERED NATURAL GUM SELECTED FROM THE GROUP CONSISTING OF GUM TRAGACANTH, GUM ARABIC, KARAYA, ACACIA, ALGINATES, IRISH MOSS, MESQUITE GUM, DAMSON GUM, SLIPPERY ELM MUCILAGE, FLAXSEED MUCILAGE, MANNOGLACTANS AND GLUCOMANNANS WITH AN UNACCEPTABLE STANDARD PLATE COUNT VALUE AND AN ACCEPTABLE STARTING VISCOSITY IN A LAYER IN A CHAMBER; AND (B) HEATING SAID LAYER AT A TEMPERATURE BETWEEN ABOUT 160* AND 190*F. AND A RELATIVE HUMIDITY BETWEEN ABOUT 50 AND 85% TO PROVIDE A POWERED PRODUCT THEREFROM WITH AN ACCEPTABLE STANDARD PLATE COUNT VALUE AND WITH AN ACCEPTABLE VISCOSITY LEVEL.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |