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:
Oct. 18, 2011
Filed:
May. 09, 2008
Applicants:
Tsuyoshi Shimizu, Kobe, JP;
Kazunori Shirai, Kobe, JP;
Nagayoshi Kobayashi, Kobe, JP;
Inventors:
Assignee:
Moresco Corporation, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compound of the formula (I), and lubricant, and magnetic disk each using the sameA-(CH—Rf—CHO—B—O)—CH—Rf—CH-A  (I)wherein n is an integer of 1 to 4, A is a group of the formula (a) below, and B is a group of the formula (b) below, p being 1 or 2, R being Cfluoroalkyl, Rf is —CFO(CFCFO)(CFO)CF— or —CFCFO(CFCFCFO)CFCF—, x, y and z being each a real number of 0 to 50.
Shimizu, Tsuyoshi. (2011). Perfluoropolyether compound, and lubricant and magnetic disk each using the same (U.S. Patent No. 8039132). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8039132
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile