Patent · US Expired

Paste composition and uses thereof

US7291672B2 · kind B2 · utility

2Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 2004
Grant dateNov 6, 2007
Priority date
Expiry dateJan 23, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/5021
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The paste composition of the present invention is a paste composition comprising (i) a polyurethane resin which comprises (a) a recurring unit represented by the formula (1) and (b) a recurring unit represented by the formula (2), a molar fraction of said recurring unit (a) being in the range of 0.35 to 0.99, a molar fraction of said recurring unit (b) being in the range of 0.01 to 0.65, the total of both the molar fractions being 1, (ii) a solvent and (iii) a powder. By the use of the paste composition, dielectric layers, sealing products, barrier ribs, phosphors, etc. can be favorably formed.

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