Patent · US Expired

Varicella-zoster virus vaccine and preparation thereof

US4008317A · kind A · utility

9Cited by

0References

6Claims

0Family size

Assignee

Recherche et Industrie, Therapeutiques, RIT · BE

Inventor

Jacqueline Gits · La Hulpe, BE

Key dates

Filing date	Dec 29, 1975
Grant date	Feb 15, 1977
Priority date	—
Expiry date	Dec 29, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S424/821
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Non-pathogenic varicella-zoster virus mutants are obtained by induction and isolation of temperature-sensitive mutant strains. N-methyl-N'-nitro-N-nitrosoguanidine is employed as mutagenic agent. The obtained mutants are useful for vaccine production.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.