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:
Apr. 24, 2018
Filed:
Nov. 25, 2014
Moresco Corporation, Kobe-shi, Hyogo, JP;
Tsuyoshi Shimizu, Kobe, JP;
Moresco Corporation, Kobe-shi, Hyogo, JP;
Abstract
An object of the present invention is to provide a compound that is resistant to decomposition even when coming into contact with a magnetic head, while enabling a reduced spacing between the magnetic head and a magnetic disk, and to provide a lubricant comprising the compound, and a magnetic disk comprising the compound. The present invention relates to a compound represented by formula (1), a lubricant comprising the compound, and a magnetic disk comprising the compound:CH—[O—(CH)—O—CH—R—CH—X]  (1)wherein n is an integer of 2 to 6; i is an integer of 2 or 3; X is a group represented by —OH, —O—(CH)—OH, —OCHCH(OH)CHOH, —OCHCH(OH)CHO—CH, or —OCHCH(OH)CHO—CH—OCH; m is an integer of 1 to 6; R is —(CF)O(CFO)(CFCFO)(CFCFCFO)(CFCFCFCFO)(CF)—; x and y are each a real number of 0 to 30; z is a real number of 0 to 30; w is a real number of 0 to 20; and p is an integer of 1 to 3.