Phenoxyalkylcarboxylic acid derivatives and process for their preparation
US5023364A · kind A · utility
1Cited by
1References
6Claims
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Key dates
| Filing date | Mar 17, 1989 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Mar 17, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Phenoxyalkylcarboxylic acid derivatives of the following formula, ##STR1## wherein R.sup.1 indicates a hydrogen atom, a methyl group or an ethyl group, m is equal to 2, 3 or 4, and n is equal to 3 or 4, their alkali salts and hydrates thereof are useful as antiallergic agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.