Process and catalyst for producing partially hydrogenated diene

Details Process and catalyst for producing partially hydrogenated diene Process and catalyst for producing partially hydrogenated diene

1994-02-14

1994-12-13

Lipman, Bernard

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

Synthetic resins

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

5253328, 5253329, 5253331, 5253332, 525338, 525339, C08F 804

Patent

active

053730631

ABSTRACT:
A process for producing partially hydrogenated diene pollers containing unsaturation in the endo and exo configurations while substantially eliminating the unsaturation in the 1,4-trans configuration, by isomerizing the unsaturation during hydrogenation in the presence of an arylphosphine isomerizing agent.

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patent: 4207409 (1980-06-01), Ladenberger et al.
patent: 4496613 (1985-01-01), Zagefka et al.
patent: 4990573 (1991-02-01), Andreussi et al.

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