Propylene carbonate ointment vehicle
US4017615A · kind A · utility
31Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1975 |
| Grant date | Apr 12, 1977 |
| Priority date | — |
| Expiry date | Dec 11, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An ointment vehicle containing from 0.5 to 30 percent propylene carbonate, from 30 to 99.5 weight percent petrolatum and/or polysiloxane, compatible cosolvent, the concentration of which in combination with propylene carbonate is from 0.5 to 70 percent, and, optionally, surfactants, thickeners, preservatives, and penetrants. This ointment is a suitable vehicle for all types of therapeutic agents for topical application including antibiotics, steroids, antihistamines, antiseptics, anesthetics, antibacterials, fungicides and the like, and has shown particular advantages with anti-inflammatory topical corticoids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.