US2826532A
Expired / Lapsed
US
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Process of stabilizing polyvinyl pyrrolidone-iodine compositions
Assignee: GAF Chemicals Corp
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Filing: 1954-09-22
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Granted: 1958-03-11
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Expires: 1974-09-22
Abstract
No abstract record available.
Inventors
- 👤 William A Hosmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:50
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/18; A61K47/00; A61K47/50; A61K47/51; A61K47/56; A61K47/58; C; C08; C08F; C08F8/00; C08F8/18; C08F8/20; C08F8/22; C08K; C08K3/00; C08K3/16; C08K3/18; C08K3/24; C08K3/26; C08K2003/262
Claims Analysis
Total Claims: 0
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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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |