Suspension composition of benzocaine
US4241048A · kind A · utility
119Cited by
25References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1979 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | May 1, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/32
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition containing a therapeutically effective amount of powdered benzocaine suspended in an essentially anhydrous carrier and further containing a copolymer of a vinylpyrrolidone and an alpha-olefin as a crystal growth suppressing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.