Complex fluorene-containing compounds
US6849348B2 · kind B2 · utility
15Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2002 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Dec 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An organic compound comprising a complex fluorene structure represented by one of the following formulas: wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.