Agent for prevention or alleviation of allergy symptoms
US5922760A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1997 |
| Grant date | Jul 13, 1999 |
| Priority date | — |
| Expiry date | Jun 19, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An agent for the prevention or alleviation of allergy symptoms contains as an effective component a dioxabycyclo3.3.0!octane derivative represented by the following general formula (I): ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each independently represent a hydrogen atom or alkyl group of 1-3 carbon atoms, or R.sup.1 and R.sup.2 and/or R.sup.4 and R.sup.5 together represent a methylene or ethylene group, and n, m and l represent 0 or 1. An agent for the prevention or alleviation of allergy symptoms also contains as an effective component an antioxidant in addition to the dioxabicyclo3.3.0!octane derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.