Patent US3334052A successfully refreshed from Google Patents.
US3334052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a gel product containing air bubbles and the use thereof
Assignee: Individual
•
Filing: 1963-04-30
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Granted: 1967-08-01
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Kurz Fredrik Wilhelm Anton
- 👤 Wikne Sverre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:04
CPC Classifications
C; C08; C08L; C08L5/00; C04; C04B; C04B20/00; C04B20/10; C04B20/1055; C04B38/00; C04B38/08; C08B; C08B11/00; C08B11/20; C08B37/00; C08J; C08J9/00; C08J9/30; C08L1/00; C08L1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A METHOD OF MAKING GEL BEADS BY PROVIDING AN AQUEOUS SOLUTION CONTAINING ABOUT 0.5-5% BY WEIGHT OF MACROMOLECULAR WATER-SOLUBLE GEL-FORMING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALGINATES, CELLULOSE ESTERS AND CELLULOSE ETHERS, GUAR GUM, STARCH, VISCOSE AND MIXTURES THEREOF, SAID SUBSTANCE BEING CAPABLE OF BEING CONVERTED INTO A HARDENED GEL BY TREATMENT WITH A COAGULATING SUBSTANCE, AND A FOAMING AGENT, SUBDIVIDING SAID SOLUTION INTO PARTICLES AND INTRODUCING SAID PARTICLES INTO A SOLUTION OF SUCH COAGULATING SUBSTANCE, THE IMPROVEMENT CONSISTING IN INCLUDING A GAS IN FINELY DIVIDED FORM IN SAID SOLUTION OF SAID GEL-FORMING SUBSTRANCE AND FOAMING AGENT BEFORE IT IS SUBDIVIDED SO AS TO FORM SMALL GAS BUBBLES WHICH ARE RETAINED IN SAID HARDENED GEL BEADS, THE AMOUNT OF GAS INTRODUCED BEING SUCH THAT THE HARDENED GEL BEADS CONTAIN BETWEEN 20 AND 90% GAS BUBBLES BY VOLUME.
Claim 2
Dependent Claim
139 words
IN A METHOD OF MAKING GEL BEADS BY PROVIDING AN AQUEOUS SOLUTION CONTAINING ABOUT 0.5-5% BY WEIGHT OF MACROMOLECULAR WATER-SOLUBLE GEL-FORMING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALGINATES, CELLULOSE ESTERS AND CELLULOSE ETHERS, GUAR GUM, STARCH, VISCOSE AND MIXTURES THEREOF, SAID SUBSTANCE BEING CAPABLE OF BEING CONVERTED INTO A HARDENED GEL BY TREATMENT WITH A COAGULATING SUBSTANCE, AND A FOAMING AGENT, SUBDIVIDING SAID SOLUTION INTO PARTICLES AND INTRODUCING SAID PARTICLES INTO A SOLUTION OF SUCH COAGULATING SUBSTANCE, THE IMPROVEMENT CONSISTING IN INCLUDING A GAS IN FINELY DIVIDED FORM IN SAID SOLUTION OF SAID GEL-FORMING SUBSTRANCE AND FOAMING AGENT BEFORE IT IS SUBDIVIDED SO AS TO FORM SMALL GAS BUBBLES WHICH ARE RETAINED IN SAID HARDENED GEL BEADS, THE AMOUNT OF GAS INTRODUCED BEING SUCH THAT THE HARDENED GEL BEADS CONTAIN BETWEEN 20 AND 90% GAS BUBBLES BY VOLUME.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |