Hydroxy and amine functionalized resins
US6828392B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2001 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Aug 1, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A star-blocked polymeric material based on polyethylene glycol and having a uniform distribution of both hydroxy and amine functional groups throughout the polymeric material is described. The polymeric material, known as HYDRA (hydroxy and amine functionalized resin), is prepared by forming a polyimine compound by reacting an aldehyde and an amine. The polyimine is then reacted with a reducing agent to form a star-blocked polymeric material. HYDRA resins can be used, for example, as solid supports for organic synthesis, for enzymatic assays, for immobilization of biomolecules, for controlled release of drugs, and for chromatographic separations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.