Non-infectious, replication-impaired, immunogenic human immunodeficiency virus type 1 retrovirus-like particles with multiple genetic deficiencies
US5985641A · kind A · utility
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8Claims
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Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/924
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An immunogenic retrovirus-like particle which is non-infectious and non-replicating and which is useful as a candidate vaccine component against retroviral infections, including AIDS and ATLL, is produced by genetic engineering. A DNA molecule comprising a retroviral genome devoid of long terminal repeats is incorporated into an expression vector, which is introduced into mammalian cells for expression of the retrovirus-like particle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.