Process for the preparation of a catalyst useful for the hydroge

Details Process for the preparation of a catalyst useful for the hydroge Process for the preparation of a catalyst useful for the hydroge

1997-06-26

1999-09-07

Yildirim, Bekir L.

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

Hydrogenation of a polymer

525338, 525339, 585259, 585261, 502115, 502126, 502129, 502133, 502134, C08F 804, C07C 1902, B01J 3112

Patent

active

059488697

ABSTRACT:
Catalytic composition effective in the selective hydrogenation of olefinic double bonds prepared by the reaction between:
(A) at least one bis(cyclopentadienyl)Titanium derivative having the general formula (I) (C.sub.5 H.sub.5).sub.2 Ti(R) (R.sub.1) wherein R and R.sub.1, the same or different, are halogens; the above compound (I) being solid or dispersed in one or more non-solvent diluents;
(B) at least one organo derivative having general formula (II) M(R.sub.2) (R.sub.3) wherein M is selected from Zinc and Magnesium, and R.sub.2 and R.sub.3, the same or different, are selected from C.sub.1 -C.sub.16 alkyls;
(C) at least one modifier.

REFERENCES:
patent: 4980421 (1990-12-01), Teramoto et al.
patent: 5270274 (1993-12-01), Hashiguchi et al.
Derwent Abstracts, AN 96-136355, JP 08 027 216, Jan. 30, 1996.
Derwent Abstracts, AN 96-146206, JP 08 033 846, Feb. 6, 1996.
Derwent Abstracts, AN 94-290926, JP 06 220 122, Aug. 9, 1994.

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