US3555151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long acting solid antacid
Assignee: Richardson Vicks Inc
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Filing: 1966-12-21
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Granted: 1971-01-12
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Expires: 1986-12-21
Abstract
Abstract AN ANTACID COMPOSITTION PREPARED BY INTIMATELY ADMIXING:(A) FROM ABOUT 1 TO 4 PARTS OF A NONTOXIC ACID COUNTERACTING (ANTACID) COMPOUND; (B) ABOUT ONE PART OF A HYDROCOLLOID; (C) AT LEAST 4 PARTS OF WATER TO FORM AN INTIMATE AQUEOUS DISPERSION OF THE ANTACID AND HYDROCOLLOID; AND (D) FINALLY EVAPORATING THE WATER FROM THE DISPERSION TO FORM A SUBSTANTIALLY SOLID COMPOSITION WHEREIN ATHE ANTACID AND HYDROCOLLOID ARE INTIMATELY ADMIXED.
Inventors
- 👤 Leonard L Kaplan
- 👤 Robert H Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:09
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06; A61K33/08; A61K9/00; A61K9/20; A61K9/2004; A61K9/2009; A61K9/2022; A61K9/205; A61K2300/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |