Methylamylketoxime blocked polyisocyanates and their use in high solids coatings compositions
US5280100A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1992 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Apr 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.