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US 4,284,826 AGranted
Polyether polyols
AssigneeMakhteshim Chemical Works Ltd.
InventorDavid Aelony
Life of this patent
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Abstract
Low viscosity chlorine containing polyether polyols, and more specifically a low molecular weight, low viscosity diol oligomer of 4,4,4-trichloro-1,2-epoxybutane of the formula ##STR1## wherein R and R' are each selected from hydrogen and --CH.sub.2 CCl.sub.3, wherein R and R' are different, and wherein n is an integer from 2 to 4; is useful in preparing flame retardant polyurethanes.
Claims3
A low molecular weight, low viscosity liquid diol oligomer of 4,4,4-trichloro-1,2-epoxybutane of the formula ##STR3## wherein R and R' are selected from hydrogen and --CH.sub.2 CCl.sub.3,
- wherein R and R' are different, and wherein
- n is an integer from 2 to 4.
Dependencies are inferred from the claim text.