US3340152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressed oral drug tablet granulations containing admixed therein about 1% to 15% of polyfluorocarbon type polymer lubricant powders in about 1 to 150 micron particle size
Assignee: BASF Corp
•
Filing: 1963-12-06
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Granted: 1967-09-05
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Hotko Edward Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:52
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE PROCESS OF MANUFACTURING TABLETS CONTAINING A PHARMACOOGICALLY ACTIVE INGREDIENT WHICH COMPRISES ADMIXING IN THE TABLET GRANULATION AS THE LUBRICATING AGENT ABOUT 1 TO 15% OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A POLYMER OF THE POLYFLUOROCARBON TYPE AND A MIXTURE OF POLYMERS OF TH POLYFLUOROCARBON TYPE, SAID POLYFLUOROCARBON TYPE POLYMER HAVING A PARTICLE SIZE OF ABOUT 1 TO ABOUT 150 MICRONS, COMPRESSING THE GRANULATION IN A DIE TO FORM COMPRESSED TABLETS AND EJECTING THE COMPRESSED TABLETS FROM THE DIE.
Claim 2
Dependent Claim
82 words
THE PROCESS OF MANUFACTURING TABLETS CONTAINING A PHARMACOOGICALLY ACTIVE INGREDIENT WHICH COMPRISES ADMIXING IN THE TABLET GRANULATION AS THE LUBRICATING AGENT ABOUT 1 TO 15% OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A POLYMER OF THE POLYFLUOROCARBON TYPE AND A MIXTURE OF POLYMERS OF TH POLYFLUOROCARBON TYPE, SAID POLYFLUOROCARBON TYPE POLYMER HAVING A PARTICLE SIZE OF ABOUT 1 TO ABOUT 150 MICRONS, COMPRESSING THE GRANULATION IN A DIE TO FORM COMPRESSED TABLETS AND EJECTING THE COMPRESSED TABLETS FROM THE DIE.
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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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |