Patent · US Active

Perfluoropolyether lubricant and systems comprising same

US8518564B2 · kind B2 · utility

7Cited by

13References

17Claims

0Family size

Assignee

HGST Netherlands, B.V. · NL

Inventors

John M. Burns · Lomita, US
Hong Deng · San Jose, US
Xing-Cai Guo · Lo Wu, CN
Bruno Marchon · Palo Alto, US
Daryl J. Pocker · San Jose, US
Robert Waltman · Gilroy, US

Key dates

Filing date	Apr 15, 2010
Grant date	Aug 27, 2013
Priority date	—
Expiry date	Dec 3, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1164
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A surface agent includes two end portions and a middle portion disposed between the end portions. The end portions include a terminal section and a midsection. The terminal section includes at least one surface active functional group. The midsection includes at least one perfluoroethyl ether unit. The middle portion includes at least one perfluorobutyl ether unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.