Patent US3740389A successfully refreshed from Google Patents.
US3740389A
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Fast hydrating alkali metal carboxyalkyl polygalactomannans and process for preparing same
Assignee: General Mills Chemicals Inc
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Filing: 1970-05-26
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Granted: 1973-06-19
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Expires: 1990-05-26
Abstract
Abstract THE HYDRATION RATE OF POLYGALACTOMANNANS SUCH AS GUAR GUM IS SUBSTANTIALLY IMPROVED BY FORMING THE ALKALI METAL CARBOXYALKYL DERIVATIVES THEREOF USING DEFINED REACTANT RATIOS AND AN ALCOHOL-WATER SOLVENT SYSTEM.
Inventors
- 👤 R Nordgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:02
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0096; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |