Patent · US Expired

Methylamylketoxime blocked polyisocyanates and their use in high solids coatings compositions

US5280100A · kind A · utility

3Cited by
7References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 29, 1992
Grant dateJan 18, 1994
Priority date
Expiry dateApr 29, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to blocked polyisocyanates based on the reaction product of PA0 i) an organic polyisocyanate comprising a member selected from the group consisting of bis-(4-isocyanatocyclohexyl)-methane, NCO prepolymers prepared from bis-(4-isocyanatocyclohexyl)-methane, polyisocyanate adducts prepared from bis-(4-isocyanatocyclohexyl)-methane, isocyanurate group-containing polyisocyanates prepared from 1,6-hexamethylene diisocyanate and isocyanurate and allophanate group-containing polyisocyanates prepared from 1,6-hexamethylene diisocyanate with PA0 ii) methylamyl ketoxime.

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