US2889243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Virucidal compositions and method
Assignee: Pharmacia and Upjohn Co
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Filing: 1956-04-30
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Granted: 1959-06-02
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Underwood
- 👤 Samuel J Musser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:31
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/04; C07C49/185; C07C45/00; C07C45/27; C07C45/28; C07C45/61; C07C45/64; C07C49/175
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A VIRUCIDAL COMPOSITION WHICH COMPRISES A CARRIER, A MICELLE-FORMING SURFACE-ACTIVE AGENT, AND AN ESSENTIAL ACTIVE INGREDIENT SELECTED FROM THE CLASS CONSISTING OF (1) A COMPOUND HAVING THE FOLLOWING GENERAL STRUCTURAL FORMULA:
References Cited (Backward Citations)
CA513926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |