US3769071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive tape comprising 5-fluorouracil
Assignee: 3M Co
•
Filing: 1971-06-04
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Granted: 1973-10-30
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Expires: 1991-06-04
Abstract
Abstract A pressure-sensitive adhesive tape is provided wherein 5fluorouracil is incorporated in a compatible, preferably selftackified polyurethane pressure-sensitive adhesive. The tape is useful for topical treatment of abnormal skin growths. The adhesive serves as a biologically and chemically inert carrier for the 5-fluorouracil.
Inventors
- 👤 R Trancik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
C; C09; C09J; C09J175/00; C09J175/04; C09J175/12; A; A61; A61F; A61F13/00; A61F13/02; A61F13/0203; A61F13/0206; A61F13/0209; A61F13/0223; A61F13/0226; A61F13/0246; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/44; A61L15/58; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0809; C08G18/0814; C08G18/10; C08G18/12; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/38; A61L2300/00; A61L2300/40; A61L2300/416
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |