Agent for improving normal development rate of fertilized eggs
US9962350B2 · kind B2 · utility
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Key dates
| Filing date | Jul 10, 2015 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Jul 10, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P15/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
It is intended to provide an in vitro culture medium that allows the in vitro culture of fertilized eggs to progress normally to the blastocyst stage without arresting the development thereof. The normal development rate of a fertilized egg is improved by using 5-aminolevulinic acids represented by the following formula (I) (wherein R1 represents a hydrogen atom or an acyl group, and R2 represents a hydrogen atom, a linear or branched alkyl group, a cycloalkyl group, an aryl group, or an aralkyl group) or salts thereof as an agent for improving a normal development rate of a fertilized egg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.