Patent · US Expired

4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates)

US5734076A · kind A · utility

1Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1997
Grant dateMar 31, 1998
Priority date—
Expiry dateMar 20, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C265/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates) of the general formula ##STR1## are new polyisocyanates for the production of PU systems with high chemical stability and good thermal stability.

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