US2984543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of effervescent carbonate powders
Assignee: Individual
•
Filing: 1957-03-19
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Granted: 1961-05-16
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Expires: 1977-03-19
Abstract
No abstract record available.
Inventors
- 👤 Pierre F Smith
- 👤 Louis D King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:53
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/40; A61; A61K; A61K47/00; A61K47/30; A61K47/36; A61K9/00; A61K9/0002; A61K9/0007; B; B01; B01J; B01J2/00; B01J2/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS FOR PRODUCING A STABILIZED FREE-FLOWING PARTICLE FORM CARBONATE PRODUCT WHICH ESSENTIALLY COMPRISES INTIMATELY ADMIXING A FINELY DIVIDED CARBONATE WITH A SOLUTION CONTAINING ABOUT 0.005 TO ABOUT 0.2 WEIGHT PERCENT BASED ON THE CARBONATE OF GUAR GUM, DRYING THE RESULTING PRODUCT, REDUCING TO FINELY DIVIDED FORM AND CLASSIFYING WHEREBY A DRY SOLID PARTICLE PRODUCT CONSISTING ESSENTIALLY OF THE GUM IMPREGNATED CARBONATE IN THE MESH SIZE RANGE OF ABOUT 30 TO 150 AND HAVING VALUE IN THE FORMULATION OF EFFERVESCING COMPOSITIONS IS OBTAINED.
Claim 2
Dependent Claim
83 words
A PROCESS FOR PRODUCING A STABILIZED FREE-FLOWING PARTICLE FORM CARBONATE PRODUCT WHICH ESSENTIALLY COMPRISES INTIMATELY ADMIXING A FINELY DIVIDED CARBONATE WITH A SOLUTION CONTAINING ABOUT 0.005 TO ABOUT 0.2 WEIGHT PERCENT BASED ON THE CARBONATE OF GUAR GUM, DRYING THE RESULTING PRODUCT, REDUCING TO FINELY DIVIDED FORM AND CLASSIFYING WHEREBY A DRY SOLID PARTICLE PRODUCT CONSISTING ESSENTIALLY OF THE GUM IMPREGNATED CARBONATE IN THE MESH SIZE RANGE OF ABOUT 30 TO 150 AND HAVING VALUE IN THE FORMULATION OF EFFERVESCING COMPOSITIONS IS OBTAINED.
References Cited (Backward Citations)
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Cited
US2312381A
Cited
US2372402A
Cited
US2540253A
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US2868646A
Cited
US2803551A
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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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |