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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Corson; Ben B.
Address:
Milwaukee, WI
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
3996249 Isomerization process December 7, 1976
The delta-4 isomer of tetrahydrophthalic anhydride is isomerized in the presence of a catalytic amount of palladium and selected acid anhydrides that liquify the normally solid delta-4 isomer at a temperature below its melting point. This permits the isomerization to be effected at relat










 
 
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