US 7,452,388 B2
Compositions comprising dimeric or oligomeric ferrocenes
Stephen Leonard Cook, Chester (United Kingdom); Werner Kalischewski, Dorsten (Germany); Gabriele Lohmann, Lünen (Germany); and Armin Marschewski, Haltern (Germany)
Assigned to Innospec Limited, (United Kingdom)
Appl. No. 10/363,124
PCT Filed Aug. 30, 2001, PCT No. PCT/GB01/03897
§ 371(c)(1), (2), (4) Date Feb. 28, 2003,
PCT Pub. No. WO02/18398, PCT Pub. Date Mar. 07, 2002.
Claims priority of application No. 100 43 144 (DE), filed on Aug. 31, 2000.
Prior Publication US 2003/0188474 A1, Oct. 09, 2003
This patent is subject to a terminal disclaimer.
Int. Cl. C10L 1/30 (2006.01)
U.S. Cl. 44—361  [44/358; 44/359] 39 Claims
 
1. A composition, which comprises:
i) one or more compound of formula (I):
X—Y   (I)
where:
X represents the group of formula (II):

OG Complex Work Unit Drawing
Y represents the group of formula (III):

OG Complex Work Unit Drawing
one of A and B is an unsubstituted 3-membered aromatic carbon ring and the other of A or B is an unsubstituted 7-membered aromatic carbon;
the or each Z is independently an unsubstituted or substituted divalent hydrocarbyl group;
n is 0 or an integer of from 1 to 10; and
ii) a diluent or carrier; and
wherein said one or more compound of formula (I) is present in an amount sufficient to provide at least 1 wt. % of iron, based on the weight of the composition.