CA1335316CCA 562042CA562042ACA1335316CCA 1335316 CCA1335316 CCA 1335316CCA 562042 CA562042 CA 562042CA 562042 ACA562042 ACA 562042ACA 1335316 CCA1335316 CCA 1335316C
Authority
CA
Canada
Prior art keywords
prepolymer
polyols
diols
hydrated polymer
polymer gel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hampshire Chemical Corp
Original Assignee
Hampshire Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hampshire Chemical CorpfiledCriticalHampshire Chemical Corp
Application grantedgrantedCritical
Publication of CA1335316CpublicationCriticalpatent/CA1335316C/fr