Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1989-07-21
1992-02-25
Cashion, Jr., Merrell C.
Stock material or miscellaneous articles
Composite
Of inorganic material
428694, 428900, 252 56R, 252 56S, G11B 2300, G11B 572
Patent
active
050912704
ABSTRACT:
A magnetic recording medium is disclosed, which has a magnetic layer on a non-magnetic support, wherein at least a mixture of ester compounds shown by formula (I) obtained by the reaction of a straight chain or branched fatty acid having from 12 to 30 carbon atoms and branched alcohols having from 10 to 32 carbon atoms synthesized by oxo synthesis is retained in or on the magnetic layer: ##STR1## wherein R.sub.1 represents a straight chain or branched alkyl group having from 11 to 29 carbon atoms or a straight chain or branched alkenyl group having from 11 to 29 carbon atoms, and R.sub.2 represents a branched alkyl group having from 10 to 32 carbon atoms. The magnetic recording medium has an excellent running durability in wide ranges of temperature and humidity condition.
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Hayakawa Satoru
Nishikawa Yasuo
Ohya Takao
Cashion Jr. Merrell C.
Fuji Photo Film Co. , Ltd.
Resan Stevan A.
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