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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
De Smet; Heleen Johanna Augusta
Address:
Amsterdam, NL
No. of patents:
2
Patents:




Patent Number Title Of Patent Date Issued
6800725 Process for removing hydrogenation catalyst residue from hydrogenated polymers October 5, 2004
This invention relates to a process for removing hydrogenation catalyst residue from hydrogenated polymers comprising:(I) treating a polymer cement comprising an unsaturated polymer in an inert water-immiscible liquid with a hydrogen source in the presence of a hydrogenation catalyst;(II
5886107 Process for hydrogenation of conjugated diene polymers and catalyst compositions suitable for us March 23, 1999
The invention provides a catalyst composition suitable for hydrogenation of polymers containing ethylenical unsaturation which comprises at least:(a) a titanium compound of the formula ##STR1## wherein A.sub.1 represents an optionally substituted heterocyclic five membered ring compr


 
 
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