US3109773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bronchodilator expectorant composition containing theophylline and a guaiacol
Assignee: Mead Johnson and Co LLC
•
Filing: 1961-10-25
•
Granted: 1963-11-05
•
Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Neil H Mercer
- 👤 Robert J Bequette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:41
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/519; A61K31/52; A61K47/00; A61K47/06; A61K47/26; A61K9/0012; A61K9/0019
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PHARMACEUTICAL COMPOSITION COMPRISED OF AT LEAST ABOUT 40% BY VOLUME OF WATER HAVING DISSOLVED THEREIN AT ROOM TEMPERATURE MORE THAN 0.83 G. OF THEOPHYLLINE PER 100 ML. OF WATER CONTAINED THEREIN, AND A SOLUBILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF GUAIACOL AND PHARMACEUTICALLY ACCEPTABLE WATER SOLUBLE FORMS THEREOF IN AMOUNT SUFFICIENT TO MAINTAIN SAID THEOPHYLLINE IN SOLUTION.
Claim 2
Dependent Claim
59 words
A PHARMACEUTICAL COMPOSITION COMPRISED OF AT LEAST ABOUT 40% BY VOLUME OF WATER HAVING DISSOLVED THEREIN AT ROOM TEMPERATURE MORE THAN 0.83 G. OF THEOPHYLLINE PER 100 ML. OF WATER CONTAINED THEREIN, AND A SOLUBILIZING AGENT SELECTED FROM THE GROUP CONSISTING OF GUAIACOL AND PHARMACEUTICALLY ACCEPTABLE WATER SOLUBLE FORMS THEREOF IN AMOUNT SUFFICIENT TO MAINTAIN SAID THEOPHYLLINE IN SOLUTION.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |