US3035984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihydrocodeinone resin complex suspensions
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1958-08-26
•
Granted: 1962-05-22
•
Expires: 1978-08-26
Abstract
No abstract record available.
Inventors
- 👤 Richard D Mierswa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:45
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/74; A61K31/745; A61K36/00; A61K36/02; A61K36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PHARMACEUTICAL COMPOSITION COMPRISING A THIXOTROPIC AQUEOUS SUSPENSION OF A POTASSIUM SALT OF A SULPHURIC ESTER OF A HIGH MOLECULAR WEIGHT POLYSACCHARIDE OBTAINED BY WATER EXTRACTION OF THE SEAWEED FURCELLARIA FASTIGIATA, AND A DIHYDROCODEINONE RESIN COMPLEX.
Claim 2
Dependent Claim
36 words
A PHARMACEUTICAL COMPOSITION COMPRISING A THIXOTROPIC AQUEOUS SUSPENSION OF A POTASSIUM SALT OF A SULPHURIC ESTER OF A HIGH MOLECULAR WEIGHT POLYSACCHARIDE OBTAINED BY WATER EXTRACTION OF THE SEAWEED FURCELLARIA FASTIGIATA, AND A DIHYDROCODEINONE RESIN COMPLEX.
References Cited (Backward Citations)
US2725336A
Cited
US2833690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |