US2904469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized aqueous suspension of salicylamide
Assignee: Johnson and Johnson
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Filing: 1957-07-29
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Granted: 1959-09-15
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Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Nashed Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:06
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A STABLE AQUEOUS SUSPENSION OF FINEY DIVIDED SALICYLAMIDE IN AN AQUEOUS SUGAR SOLUTION, WHICH SOLUTION HAS A SEPCIFIC GRAVITY IN THE RANGE OF 1.335 TO 1.340, WHICH SUSPENSION CONTAINS 2 TO 15 PERCENT BY WEIGHT OF FINELY DIVIDED SOLID SALICYLAMIDE AND AT LEAST 0.0149% OF POLYVINYLPYRROLIDONE BASED ON THE WEIGHT OF THE FINAL SUSPENSION.
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |