G - Physics – 11 – B
Patent
G - Physics
11
B
117/24.2
G11B 5/71 (2006.01) G11B 5/702 (2006.01) G11B 5/73 (2006.01)
Patent
CA 1316770
Abstract of the Disclosure A magnetic recording medium comprises a support and a magnetic layer, coated on said support, comprising magnetic powder, a binder, (I) an ester compound having the formula: Image .....(I) in which R1 and R2 are each a saturated alkyl group having 1 to 25 carbon atoms, branched or straight, the total carbon number of R1 and R2 being from 22 to 34, and R3 is a saturated or unsaturated alkyl group having 7 to 29 carbon atoms, branched or straight, and (II) an ester compound having the formula: Image .....(II) in which R4 is an aliphatic hydrocarbon group having 1 to 29 carbon atoms, straight or brached, and R5 is an aliphatic hydrocarbon group having 1 to 23 carbon atoms, straight or branched, or a straight aliphatic hydrocarbon group having 24 to 36 carbon atoms, the total carbon number of R4 and R5 being 15 to 65.
521897
Ishikawa Akira
Kanai Hiroyuki
Minami Takahide
Suzue Shigetoshi
Takeuchi Takashi
Kao Corporation
Smart & Biggar
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