The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2005
Filed:
Apr. 01, 2003
Kazutoshi Katayama, Kanagawa, JP;
Kazutoshi Katayama, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A magnetic recording medium comprising: a support; an undercoating layer; and a thin ferromagnetic metal layer, in this order, wherein the undercoating layer comprises a reaction product of a mixture comprising a compound represented by the following formula (I):R—Si—Xwherein R represents an organic group having 1 to 40 carbon atoms which may contain a functional group; X represents a hydrolyzable group; a is an integer of 0 to 3; and a+b is 4, and an oligomer of a compound represented by the formula (I) which comprises at least two siloxane bonds and has a viscosity of 4 to 100 mPa·sec, the mixture comprising at least a compound represented by the formula (I) wherein b is 2 or greater.