Polymer hydrogenation process

Details Polymer hydrogenation process Polymer hydrogenation process

2007-09-04

2007-09-04

Rabago, Roberto (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S332900, C525S338000, C525S339000, C525S342000

Reexamination Certificate

active

10484484

ABSTRACT:
A process for hydrogenating unsaturations in polymers, the process comprising contacting at least one polymer having unsaturations with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of an alkaline earth metal silicate having a surface area of at least 30 m2/g at a temperature of from 50 to 250° C. and a pressure of from 5 to 150 bar.

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patent: 5243095 (1993-09-01), Roberts et al.
patent: 5612422 (1997-03-01), Hucul et al.
patent: 5654253 (1997-08-01), Hucul et al.
patent: 5700878 (1997-12-01), Hucul et al.
Hawley's Condensed Chemical Dictionary, 13thedition, John Wiley & Sons, 1997, p. 33.
Grant & Hackh's Chemical Dictionary, 5thedition, McGraw-Hill, 1987, p. 23.

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