US3102075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tableting process
Assignee: Warner Lambert Co LLC
•
Filing: 1961-02-01
•
Granted: 1963-08-27
•
Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Millard Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:57
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0002; A61K9/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
PROCESS FOR THE PRODUCTION OF GRANULAR EFFERVESCENT COMPOSITIONS HAVING IMPROVED TABLETING PROPERTIES, WHICH COMPRISES FORMING A MIXTURE OF A MEMBER OF THE GROUP CONSISTING OF A GRANULAR ALKALI METAL CARBONATE AND GRANULAR ALKALI METAL BICARBONATE WITH A GRANULAR NON-TOXIC ORGANIC ACID, WETTING SAID MIXTURE WITH FROM 0.05 TO 0.15 PERCENT BY WEIGHT OF WATER BSED ON THE TOTAL BATCH WEIGHT, AND THEN COMBINING SAID WETTED MIXTURE WITH A LUBRICATED DRY MIXTURE OF A NON-TOXIC ORGANIC ACID CONTAINING AN AMINO ACID AND A MEMBER OF THE GROUP CONSISTING OF THE GRANULAR ALKALI METAL CARBONATE AND THE GRANULAR ALKALI METAL BICARBONATE, SAID MIXTURE WHICH IS WETTED COMPRISING FROM 5 TO 15 PERCENT BY WEIGHT OF THE TOTAL COMBINED EFFERVESCENT COMPOSITION.
Claim 2
Dependent Claim
118 words
PROCESS FOR THE PRODUCTION OF GRANULAR EFFERVESCENT COMPOSITIONS HAVING IMPROVED TABLETING PROPERTIES, WHICH COMPRISES FORMING A MIXTURE OF A MEMBER OF THE GROUP CONSISTING OF A GRANULAR ALKALI METAL CARBONATE AND GRANULAR ALKALI METAL BICARBONATE WITH A GRANULAR NON-TOXIC ORGANIC ACID, WETTING SAID MIXTURE WITH FROM 0.05 TO 0.15 PERCENT BY WEIGHT OF WATER BSED ON THE TOTAL BATCH WEIGHT, AND THEN COMBINING SAID WETTED MIXTURE WITH A LUBRICATED DRY MIXTURE OF A NON-TOXIC ORGANIC ACID CONTAINING AN AMINO ACID AND A MEMBER OF THE GROUP CONSISTING OF THE GRANULAR ALKALI METAL CARBONATE AND THE GRANULAR ALKALI METAL BICARBONATE, SAID MIXTURE WHICH IS WETTED COMPRISING FROM 5 TO 15 PERCENT BY WEIGHT OF THE TOTAL COMBINED EFFERVESCENT COMPOSITION.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |