Patent · US Active

Polyurethane gaskets and process for forming same

US8821981B2 · kind B2 · utility

0Cited by
9References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 2010
Grant dateSep 2, 2014
Priority date
Expiry dateSep 27, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2375/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A method of forming a seal includes preparing a froth from a one component polyurethane precursor, applying the froth to a surface of an article, and simultaneously applying water with the froth, the froth curing to form a gasket having a density not greater than 350 kg/m3 bonded to the article.

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