Patent · US Expired

Method of modifying surface of material

US7560023B2 · kind B2 · utility

11Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 2003
Grant dateJul 14, 2009
Priority date
Expiry dateMar 4, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2991
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for surface modification of a material by means of introducing the phosphorylcholine group represented by the following formula (1-1) onto the surface of the material by treating a material having amino groups with a chemical compound containing an aldehyde derivative obtained by the oxidative ring-opening reaction of glycerophosphorylcholine.The method of the present invention provides various materials such as medical materials having superior biocompatibility and hydrophilicity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.