US3826845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ointment base
Assignee: Sankyo Co Ltd
•
Filing: 1970-02-04
•
Granted: 1974-07-30
•
Expires: 1990-02-04
Abstract
Abstract THIS INVENTION RELATES TO A NOVEL OINTMENT BASE WHOSE CONSISTENCY IS PROPER FOR AN OINTMENT BASE AND IS SCARCELY VARIED DEPENDING UPON A TEMPERATURE. IT IS USEFUL FOR A PREPARATION OF OINTMENTS, COSMETICS AND THE LIKE, AND COMPRISES TRIGLYCERIDE BEING LIQUID AT ORDINARY TEMPERATURES OR A MIXTURE OF A DIABASIC ALIPHATIC CARBOXYLIC ACID ESTER AND A SALICYCLIC ACID ESTER; SILICIC ACID ANHYDRIDE; AND A NONIONIC SURFACTANT OR AN IONIC SURFACTANT SELECTED FROM THE GROUP OF A FATTY ACID POLYOXYETHYLENE-PHOSPHATE, A FATTY ALCOHOL-POLYOXYETHYLENE-PHOSPHATE, LECITHIN, AND ALKYLSULFATE, A FATTY ACID-POLYPEPTIDE CONDENSATE OR AN AMPHOLYTIC SURFACTANT OF CARBOXYLIC ACID TYPE.
Inventors
- 👤 R Okada
- 👤 T Suyama
- 👤 M Saeki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0014; A61K9/06
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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |