Patent US4814759A successfully refreshed from Google Patents.
Patent US3020207A successfully refreshed from Google Patents.
US3020207A
Expired / Lapsed
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Thickening agent and process for producing same
Assignee: Jersey Production Research Co
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Filing: 1960-05-27
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Granted: 1962-02-06
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 John T Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:43
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86; C09K8/88; C09K8/90; C09K8/905; C12; C12P; C12P19/00; C12P19/04; C12P19/06; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR PREPARING AN IMPROVED THICKENING AGENT WHICH COMPRISES FERMENTING AN AQUEOUS CARBOHYDRATE SOLUTION WITH BACTERIA OF THE GENUS XANTHOMONAS TO PRODUCE A HETEROPOLYSACCHARIDE AND THEREAFTER REACTING SAID HETEROPOLYSACCHARIDE WITH A SATURATED, UNSUBSTITUTED ALDEHYDE CONTAINING FROM ONE TO ABOUT FOUR CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
45 words
A PROCESS FOR PREPARING AN IMPROVED THICKENING AGENT WHICH COMPRISES FERMENTING AN AQUEOUS CARBOHYDRATE SOLUTION WITH BACTERIA OF THE GENUS XANTHOMONAS TO PRODUCE A HETEROPOLYSACCHARIDE AND THEREAFTER REACTING SAID HETEROPOLYSACCHARIDE WITH A SATURATED, UNSUBSTITUTED ALDEHYDE CONTAINING FROM ONE TO ABOUT FOUR CARBON ATOMS PER MOLECULE.
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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |