Patent US3221029A successfully refreshed from Google Patents.
US3221029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autogenous, vitamin e active beadlet product and process
Assignee: Eastman Kodak Co
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Filing: 1961-03-07
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Granted: 1965-11-30
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Benton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:20
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A61K9/1682; A61K9/1688; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
AN AUTOGENOUS, FREE FLOWING, SOLID, HIGH POTENCY, VITAMIN E ACTIVE PRODUCT CONSISTING ESENTIALLY OF BEEDLETS OF D-A-TOCOPHERYL ACID SUCCINATE HAVING A BULK DENSITY IN A RANGE FROM ABOUT 24 TO ABOUT 38 POUNDS PER CUBIC FOOT AND A PARTICLE SIZE IN A RANGE FROM ABOUT 20 TO ABOUT 100 MESH U.S. SCREEN SIZE.
Claim 2
Dependent Claim
53 words
AN AUTOGENOUS, FREE FLOWING, SOLID, HIGH POTENCY, VITAMIN E ACTIVE PRODUCT CONSISTING ESENTIALLY OF BEEDLETS OF D-A-TOCOPHERYL ACID SUCCINATE HAVING A BULK DENSITY IN A RANGE FROM ABOUT 24 TO ABOUT 38 POUNDS PER CUBIC FOOT AND A PARTICLE SIZE IN A RANGE FROM ABOUT 20 TO ABOUT 100 MESH U.S. SCREEN SIZE.
Claim 3
Dependent Claim
136 words
A PROCESS FOR PREPARING A SUBSTANTIALLY DRY, FINELY DIVIDED, FREE FLOWING, DENSE, HIGHLY POTENT, VITAMIN E ACTIVE BEADLET PRODUCT, WHICH COMPRISES: MELTING A QUANTITY OF D-A-TOCOPHERYL ACID SUCCINE WHEREBY A MOLTEN MASS OF D-A-TOCOPHERY ACID SUCCINATE IS FORMED; ESTABLISHING AND MAINTAINING SAID MOLTEN MASS AS DISPERSED DROPLETS BY ADMIXING SAID MOLTEN MASS AN INERT LIQUID DISPERSION MEDIUM IN WHICH SAID D-A-TOCOPHERYL ACID SUCCINATE IS INSOLUBLE AND WHICH HAS A VISCOSITY SELECTED IN ACCORDANCE WITH THE DESIRED AVERAGE BEADLET SIZE AND THUS THE DESIRED AVERAGE DROPLET SIZE; SOLIDFIFYING AND HARDENING SAID DROPLETS BY REMOVING HEAT FROM SAID LIQUID DISPERSION MEDIUM AND THUS SAID DROPLETS UNTIL THE TEMPERATURE OF SAID MEDIUM AND THUS SAID DROPLETS IS BELOW THE SOIDIFYING TEMPERATURE OF SAID D-A-TOCOPHERYL ACID SUCCINATE, WHEREBY BEADLETS ARE FORMED; AND SEPARATING SAID BEADLETS FROM SAID LIQUID DISPERSION MEDIUM.
Claim 4
Dependent Claim
136 words
A PROCESS FOR PREPARING A SUBSTANTIALLY DRY, FINELY DIVIDED, FREE FLOWING, DENSE, HIGHLY POTENT, VITAMIN E ACTIVE BEADLET PRODUCT, WHICH COMPRISES: MELTING A QUANTITY OF D-A-TOCOPHERYL ACID SUCCINE WHEREBY A MOLTEN MASS OF D-A-TOCOPHERY ACID SUCCINATE IS FORMED; ESTABLISHING AND MAINTAINING SAID MOLTEN MASS AS DISPERSED DROPLETS BY ADMIXING SAID MOLTEN MASS AN INERT LIQUID DISPERSION MEDIUM IN WHICH SAID D-A-TOCOPHERYL ACID SUCCINATE IS INSOLUBLE AND WHICH HAS A VISCOSITY SELECTED IN ACCORDANCE WITH THE DESIRED AVERAGE BEADLET SIZE AND THUS THE DESIRED AVERAGE DROPLET SIZE; SOLIDFIFYING AND HARDENING SAID DROPLETS BY REMOVING HEAT FROM SAID LIQUID DISPERSION MEDIUM AND THUS SAID DROPLETS UNTIL THE TEMPERATURE OF SAID MEDIUM AND THUS SAID DROPLETS IS BELOW THE SOIDIFYING TEMPERATURE OF SAID D-A-TOCOPHERYL ACID SUCCINATE, WHEREBY BEADLETS ARE FORMED; AND SEPARATING SAID BEADLETS FROM SAID LIQUID DISPERSION MEDIUM.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |