Patent US3740420A successfully refreshed from Google Patents.
US3740420A
Expired / Lapsed
US
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Pharmaceutical compositions with dimethyl sulfoxide
Assignee: Fort James Corp
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Filing: 1970-10-30
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Granted: 1973-06-19
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Expires: 1990-10-30
Abstract
Abstract COMPOSITIONS AND DOSAGE FORMS FOR TOPICAL ADMINISTRATION OF DIMETHHYL SULFOXIDE AS A PHARMACEUTICAL ARE DESCRIBED, WHEREIN THE DIMETHYL SULFOXIDE CONCENTRAAATION IS BETWEEN ABOUT 10% AND ABOUT 90% AND WHEREIN DILUENTS, TOGETHER WITH DIMETHYL SULFOXIDE-SOLUBLE LIPOIDAAL THICKENING AGENTS, WATER-DISPERSIBLE THICKENING AGENTS AND EMULSION-BASE THICKENING AGENTS, ARE INCLUDED IN SUCH COMPOSITIONS. SUPPOSITORIES CONTAINING DIMETHYL SULFOXIDE (DMSO) ARE ALSO DESCRIBED. LIQUID FORMULATIONS FOR TOPICAL APPLICATION INCLUDING AT LEAST 10% DMSO AND AND AAQUEOUS DILUENT IN SPRAY CONTAINERS ARE ALSO PROVIDED.
Inventors
- 👤 R Herschler
- 👤 S Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/30; A61K31/00; A61K31/095; A61K31/10; A61K9/00; A61K9/0012; A61K9/0014
Claims Analysis
Total Claims: 0
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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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |