US3723408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyalkyl polygalactomannans by reaction with certain halo fatty acid compounds
Assignee: General Mills Chemicals Inc
•
Filing: 1970-05-26
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Granted: 1973-03-27
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Expires: 1990-05-26
Abstract
Abstract The hydration rate of hydroxyalkyl polygalactomannans is improved by reaction with certain halo fatty acids or the alkali metal salts thereof. Such products find utility as thickeners for various fluids.
Inventors
- 👤 R Nordgren
- 👤 D Jones
- 👤 H Wittcoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:53
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/737; A61Q5/00; A61Q5/02; C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0096; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
The product of claim 1 wherein the polygalactomannan is guar gum, the alkylene oxide is propylene oxide, the alkaline catalyst is sodium hydroxide and the chloro fatty acid reactant is sodium chloroacetate.
References Cited (Backward Citations)
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US2523708A
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US2602789A
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US3326890A
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US3350386A
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US3415927A
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US3467647A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |