Luminescent dye comprising metallocomplex of a oxoporphyrin
US5718842A · kind A · utility
33Cited by
3References
20Claims
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Key dates
| Filing date | Jan 29, 1997 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Jan 29, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/255
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
New luminescent dye including a metallocomplex of an oxoporphyrin having the general formula: ##STR1## wherein R1 to R8 are radicals belonging to the group: H, lower alkyl with number of C.ltoreq.6 or CH.sub.2 --CH.sub.2 --COO--R.sub.9, with R.sub.9 =H or alkyl with number of C.ltoreq.18 and M=Pt.sup.2+ or Pd.sup.2+.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.