Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-12-14
1992-12-08
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, 525339, C08H 804
Patent
active
051699052
ABSTRACT:
A hydrogenation catalyst composition comprising, as essential components, (a) at least one bis(cyclopentadienyl)transition metal compound represented by general formula (i): ##STR1## and (b) at least one member selected from the group consisting of complex compounds represented by general formulas (ii) and (iii): ##STR2## and further comprising, if necessary, (c) at least one polar compound selected from the group consisting of ether compounds, thioether compounds, ketone compounds, sulfoxide compounds, carboxylic acid ester compounds, lactone compounds, amine compounds, amide compounds, nitrile compounds and oxime compounds and/or (d) an alkali compound represented by general formula (iv):
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Plasdoc-Central Patents Index-Basic Abstracts Journal, Feb. 20, 1991 London GB Section A, week 9050, A0839, No. 90-373566/50 & JP-A-2272004 (Japan Synthetic Rubber) Jun. 11, 1990 *whole record*.
The Journal of Organic Chemistry, vol. 33, No. 4, Apr. 1968, pp. 1689-1690, Y. Tajima, et al., "Hydrogenation of Conjugated Diolefins with Transition Metal .pi. Complexes".
J.A.C.S., vol. 85, Dec. 20, 1963, pp. 4014-4018, M. F. Sloan, et al., "Soluble Catalysts for the Hydrogenation of Olefins.sup.1 ".
Goshima Kunio
Hashiguchi Yoshiharu
Katsumata Hideo
Takemura Yasuhiko
Teramoto Toshio
Japan Synthetic Rubber Co. Ltd.
Lipman Bernard
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