Patent US1284616A successfully refreshed from Google Patents.
Patent US3116206A successfully refreshed from Google Patents.
US3116206A
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Encapsulation process and its product
Assignee: NCR Voyix Corp
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Filing: 1961-12-22
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Granted: 1963-12-31
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Brynko Carl
- 👤 Joseph A Bakan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:49
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61J; A61J3/00; A61J3/07; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987; Y10T428/2989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A PROCESS FOR THE EN MASSE MANUFACTURE OF MINUTE CAPSULES AND AGGREGATES THEREOF IN A NON-GELABLE FILMFORMING MATERIAL THAT IS SOLUBLE IN AQUEOUS MEDIA AT ROOM TEMPERATURE, THE CAPSULES EACH CONSISTING OF CORE MATERIALS CONTAINED AS PARTICLES RETAINED IN ENCASING WALLS OF ZEIN, INCLUDING THE STEPS OF (A) FORMING AN AQUEOUS SOLUTION OF ZEIN AT A PH OF APPROXIMATELY 11 AT A TEMPERATURE OF BETWEEN 15 DEGREES CENTIGRADE AND 55 DEGREES CENTIGRADE; (B) DISPERSING INTENDED CORE MATERIALS AS PARTICULATE ENTITIES IN SOLUTION (A) BY AGITATION THEREOF TOGETHER; (C) LOWERING THE PH OF THE SYSTEM OF (A) PLUS (B), WITH CONTINUED AGITATION TO BELOW 5.5 TO PHASESEPARATE THE ZEIN AS SOLVATED ENTITIES OF SOLID MATERIAL WHICH DEPOSIT AROUND EACH CORE ENTITY AS A SOLVATED SOLID WALL; AND (D) CROSS-LINKING THE DEPOSITED WALL MATERIAL TO FORM A RIGID WALL MATERIAL WHICH IS WATER INSOLUBLE, BY TREATING THE CAPSULES WITH A CROSS-LINKING AGENT FOR ZEIN.
Claim 2
Dependent Claim
152 words
A PROCESS FOR THE EN MASSE MANUFACTURE OF MINUTE CAPSULES AND AGGREGATES THEREOF IN A NON-GELABLE FILMFORMING MATERIAL THAT IS SOLUBLE IN AQUEOUS MEDIA AT ROOM TEMPERATURE, THE CAPSULES EACH CONSISTING OF CORE MATERIALS CONTAINED AS PARTICLES RETAINED IN ENCASING WALLS OF ZEIN, INCLUDING THE STEPS OF (A) FORMING AN AQUEOUS SOLUTION OF ZEIN AT A PH OF APPROXIMATELY 11 AT A TEMPERATURE OF BETWEEN 15 DEGREES CENTIGRADE AND 55 DEGREES CENTIGRADE; (B) DISPERSING INTENDED CORE MATERIALS AS PARTICULATE ENTITIES IN SOLUTION (A) BY AGITATION THEREOF TOGETHER; (C) LOWERING THE PH OF THE SYSTEM OF (A) PLUS (B), WITH CONTINUED AGITATION TO BELOW 5.5 TO PHASESEPARATE THE ZEIN AS SOLVATED ENTITIES OF SOLID MATERIAL WHICH DEPOSIT AROUND EACH CORE ENTITY AS A SOLVATED SOLID WALL; AND (D) CROSS-LINKING THE DEPOSITED WALL MATERIAL TO FORM A RIGID WALL MATERIAL WHICH IS WATER INSOLUBLE, BY TREATING THE CAPSULES WITH A CROSS-LINKING AGENT FOR ZEIN.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |