Process for the synthesis of oligomeric compounds
US6465628B1 · kind B1 · utility
56Cited by
17References
62Claims
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Key dates
| Filing date | Apr 9, 1999 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Apr 9, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Synthetic processes are provided wherein oligomeric compounds are prepared having phosphodiester, phosphorothioate, phosphorodithioate, or other covalent linkages. The oligomers have substantially reduced exocyclic adducts deriving from acrylonitrile or related contaminants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.