Allergen inactivating agent
US8133991B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2005 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | May 8, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An allergen inactivating agent is provided which has no adverse effects on the human body and which does not cause problems such as color development.An allergen inactivating agent containing a polysaccharide derivative as its effective component, wherein said polysaccharide derivative has a cellulose ether or a starch ether as its backbone, and some or all of hydrogen atoms in the hydroxy group of the polysaccharide derivative are substituted by a group represented by the following general formula (1):-E1-(OA)n-E2-R (1)wherein E1 represents an alkylene containing 1 to 6 carbon atoms optionally substituted with hydroxy group or oxo group; n represents a number of 0 to 50; A independently represents an alkylene containing 1 to 6 carbon atoms, the number of A being n; E2 represents ether bond or oxycarbonyl group; R represents an alkyl group containing 4 to 30 carbon atoms optionally substituted with hydroxy group, a sulfoalkyl group containing 1 to 5 carbon atoms optionally substituted with hydroxy group, or a salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.