US3265629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating by phase separation
Assignee: NCR Voyix Corp
•
Filing: 1958-12-22
•
Granted: 1966-08-09
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Erik H Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:06
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5089; A61K9/5073; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/08; B01J2/00; B01J2/006; Y; Y10; Y10S; Y10S426/00; Y10S426/807; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987; Y10T428/2989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS FOR COATING EN MASSE, A PLURALITY OF SOLID INDIVIDUAL DISCRETE PARTICLES SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE AND WATER-INSOLUBLE HYDROPHILIC MATERIAL, COMPRISING THE STEPS OF (1) COATING EN MASSE EACH OF SAID INDIVIDUAL DISCRETE PARTICLES WITH A SOLID LIPID MATERIAL; (2) SUSPENDING THE COATED PARTICLES IN AN AQUEOUS SOLUTION OF AT LEAST ONE ENCAPSULATING MATERIAL; (3) INDUCING PHASE SEPARATION, WHEREBY TO CAUSE THE FORMATION OF A PHASE RICH IN ENCAPSULATING MATERIAL AND THE ENCAPSULATION OF EACH OF THE SOLID INDIVIDUAL SUSPENDED COATED PARTICLES WITH SAID ENCAPSULATING MATERIAL; AND (4) RIGIDIFYING THE ENCAPSULATING MATERIAL.
Claim 2
Dependent Claim
96 words
A PROCESS FOR COATING EN MASSE, A PLURALITY OF SOLID INDIVIDUAL DISCRETE PARTICLES SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE AND WATER-INSOLUBLE HYDROPHILIC MATERIAL, COMPRISING THE STEPS OF (1) COATING EN MASSE EACH OF SAID INDIVIDUAL DISCRETE PARTICLES WITH A SOLID LIPID MATERIAL; (2) SUSPENDING THE COATED PARTICLES IN AN AQUEOUS SOLUTION OF AT LEAST ONE ENCAPSULATING MATERIAL; (3) INDUCING PHASE SEPARATION, WHEREBY TO CAUSE THE FORMATION OF A PHASE RICH IN ENCAPSULATING MATERIAL AND THE ENCAPSULATION OF EACH OF THE SOLID INDIVIDUAL SUSPENDED COATED PARTICLES WITH SAID ENCAPSULATING MATERIAL; AND (4) RIGIDIFYING THE ENCAPSULATING MATERIAL.
References Cited (Backward Citations)
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |