US3148123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulating and coating tablets
Assignee: GAF Chemicals Corp
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Filing: 1960-05-17
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Granted: 1964-09-08
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Expires: 1980-05-17
Abstract
No abstract record available.
Inventors
- 👤 Werner Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:44
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2027; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1635; A61K9/28; A61K9/2806; A61K9/2833; A61K9/284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE PROCESS OF PREPARING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CRYSTALLINE AND POWDERED MATERIALS IN THE FORM OF COMPRESSED AND COATED TABLETS WHICH COMPRISES FIRST BLENDING SAID MATERIAL WITH FROM 0.5 TO 10% BY WEIGHT THEREOF OF A POLYMER SELECTED FROM THE CLASS CONSISTING OF POLYVINYL IMIDAZOLE AND POLYVINYL-3MORPHOLINONES, WETTING THE SAID BLEND WITH A LIQUID SELECTED FROM THE CLASS CONSISTING OF WATER AND A LOW BOILING ALIPHATIC ALCOHOL TO A MASSED MIXTURE AND THEN GRANULATING THE MASSED MIXTURE FOLLOWED BY DRYING AND COMPRESSION INTO TABLETS AND COATING SAID TABLETS WITH AN AQUEOUS SOLUTION OF SAID POLYMER AND DRYING THE SAME.
Claim 2
Dependent Claim
103 words
THE PROCESS OF PREPARING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CRYSTALLINE AND POWDERED MATERIALS IN THE FORM OF COMPRESSED AND COATED TABLETS WHICH COMPRISES FIRST BLENDING SAID MATERIAL WITH FROM 0.5 TO 10% BY WEIGHT THEREOF OF A POLYMER SELECTED FROM THE CLASS CONSISTING OF POLYVINYL IMIDAZOLE AND POLYVINYL-3MORPHOLINONES, WETTING THE SAID BLEND WITH A LIQUID SELECTED FROM THE CLASS CONSISTING OF WATER AND A LOW BOILING ALIPHATIC ALCOHOL TO A MASSED MIXTURE AND THEN GRANULATING THE MASSED MIXTURE FOLLOWED BY DRYING AND COMPRESSION INTO TABLETS AND COATING SAID TABLETS WITH AN AQUEOUS SOLUTION OF SAID POLYMER AND DRYING THE SAME.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |