Patent · US Expired

Gel compositions based on reaction products of polyols and polyisocyanates

US6809143B2 · kind B2 · utility

10Cited by
2References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 2001
Grant dateOct 26, 2004
Priority date
Expiry dateApr 23, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2220/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Gel compositions based on reaction products of polyols and polyisocyanates contain as filler at least one pyrogenically produced oxide of a metal or metalloid.The gel compositions are used in structural parts or articles.

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