US3201353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro-inclusions and method of making same
Assignee: American Agricultural Chemical Co
•
Filing: 1960-06-14
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Granted: 1965-08-17
•
Expires: 1980-06-14
Abstract
No abstract record available.
Inventors
- 👤 Leo D Corben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2989
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A METHOD WHICH COMPRISES ADMIXING AT A TEMPERATURE IN THE RANGE FROM ABOUT 10*C. TO ABOUT 75*C. AN AQUEOUS GELATIN SOLUTION CONTAINING A WATER-IMMISCIBLE MATERIAL DISPERSED THEREIN WITH AN AQUEOUS SOLUTION OF A WATER-SOLUBLE ZIRCONYL SALT TO PRECIPITTE SAID GELATIN AS A HYDROPHOBIC AIRCONYL-CONTAINING GELTAIN COMPLEX, SAID GELATIN COMPLEX BEING FORMED UPON ADMIXTURE OF SAID AQUEOUS ZIRCONYL SOLUTION AND SAID GELATIN SOLUTION AND SAID GELATIN COMPLEX UPON FORMATION ENCAPSULATING SAID WATER-IMMISCIBLE LIQUID.
Claim 2
Independent Claim
72 words
A METHOD WHICH COMPRISES ADMIXING AT A TEMPERATURE IN THE RANGE FROM ABOUT 10*C. TO ABOUT 75*C. AN AQUEOUS GELATIN SOLUTION CONTAINING A WATER-IMMISCIBLE MATERIAL DISPERSED THEREIN WITH AN AQUEOUS SOLUTION OF A WATER-SOLUBLE ZIRCONYL SALT TO PRECIPITTE SAID GELATIN AS A HYDROPHOBIC AIRCONYL-CONTAINING GELTAIN COMPLEX, SAID GELATIN COMPLEX BEING FORMED UPON ADMIXTURE OF SAID AQUEOUS ZIRCONYL SOLUTION AND SAID GELATIN SOLUTION AND SAID GELATIN COMPLEX UPON FORMATION ENCAPSULATING SAID WATER-IMMISCIBLE LIQUID.
Claim 3
Dependent Claim
17 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF WATER-IMMISCIBLE MATERIAL ENCAPSULATED WITHIN A SOLID, HYDROPHOBIC ZIRCONYL-CONTAINING GELATIN COMPLEX.
Claim 4
Dependent Claim
17 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF WATER-IMMISCIBLE MATERIAL ENCAPSULATED WITHIN A SOLID, HYDROPHOBIC ZIRCONYL-CONTAINING GELATIN COMPLEX.
References Cited (Backward Citations)
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US2721861A
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US2989417A
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |