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Tableting process

Assignee: Warner Lambert Co LLC
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Filing: 1961-02-01
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Granted: 1963-08-27
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Expires: 1981-02-01
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Abstract

No abstract record available.

Inventors

  • 👤 Millard Ruth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 19:22
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)

US2883327A Cited
US2999293A Cited
US2971889A Cited
US2985562A Cited

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

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