Phosphonated polypyridyl compounds and their complexes
US5789592A · kind A · utility
54Cited by
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Key dates
| Filing date | Oct 30, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Oct 30, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/2059
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound in metal-free or metal complex form of formula (1) to (3) in which R is hydrogen or C.sub.1-30 alkyl; X is hydrogen, halogen (preferably Cl or Br) or C.sub.1-30 alkyl. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.