US3248290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antitussive compositions
Assignee: F Hoffmann La Roche AG
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Filing: 1962-08-09
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Granted: 1966-04-26
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Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 Zentner Margaret Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:05
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0087; A61K9/0095; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/47; A61K31/485; A61K9/14; A61K9/141; A61K9/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PRODUCT HAVING IMPROVED ANTITUSSIVE ACTIVITY, SAID PRODUCT BEING PRODUCED BY REACTING, IN THE PRESSENCE OF WATER, COLLOIDAL CLAY IN HYDRATED FORM WITH D-3-METHOXYN-METHYLMORPHINAN SALT OF A MEDICINALLY ACCEPTABLE ACID.
Claim 2
Dependent Claim
30 words
A PRODUCT HAVING IMPROVED ANTITUSSIVE ACTIVITY, SAID PRODUCT BEING PRODUCED BY REACTING, IN THE PRESSENCE OF WATER, COLLOIDAL CLAY IN HYDRATED FORM WITH D-3-METHOXYN-METHYLMORPHINAN SALT OF A MEDICINALLY ACCEPTABLE ACID.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |