Polymerization of aromatic monomers using derivatives of hematin
US7294686B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 23, 2006 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Jan 23, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12958
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Hematin, a hydroxyferriprotoporphyrin, is derivatized with one or more non-proteinaceous amphipathic groups. The derivatized hematin can serve as a mimic of horseradish peroxidase in polymerizing aromatic monomers, such as aromatic compounds. These derivatized hematins can also be used as catalysts in polymerizing aromatic monomers, and can exhibit significantly greater catalytic activity than underivatized hematin in acidic solutions. In one embodiment, polymerization is in the presence of a template, along which aromatic monomers align. An assembled hematin includes alternating layers of hematin and a polyelectrolyte, which are deposited on an electrically charged substrate. Assembled hematin can also be used to polymerize aromatic monomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.