Patent · US Expired

Photocurable sealing material

US6512021B1 · kind B1 · utility

7Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 6, 2001
Grant dateJan 28, 2003
Priority date
Expiry dateJun 28, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2200/0625
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A photo-curing sealing agent comprising (a)an (meth)acrylate ester having a solubility parameter of 9 to 14, hydrophobic silica, and a photo reaction initiator. This sealing agent has high adhesion property to a cold-rolled steel, a galvanized steel or an aluminum alloy, to which a press oil, a rust-preventing oil or the like adheres.

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