Patent · US Expired

Polyacrylic adhesive

US4902590A · kind A · utility

3Cited by
7References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 19, 1987
Grant dateFeb 20, 1990
Priority date
Expiry dateNov 19, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

An adhesive system, particularly suitable for the production of laminated separators for alkaline-electrolyte electrochemical cells, comprises a blend of a branched long chain polyacrylic acid with a substantially linear short chain polyacrylic acid, in an organic or aqueous solvent.

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