Perfluoropolyether compound, lubricant, and magnetic disk

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11866548
APP PUB NO 20220267516A1
SERIAL NO

17629165

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided is a compound with which a lubricant having excellent adhesion to a magnetic disk, particularly to a protective layer can be provided. A perfluoropolyether compound in accordance with one aspect of this invention has a structure in which two perfluoropolyethers are bonded to each other through an aliphatic ether, the aliphatic ether including a carbon atom to which a primary alcohol is bonded.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MORESCO CORPORATIONKOBE-SHI HYOGO 650-0047

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sagata, Ryosuke Kobe, JP 9 70
Shimizu, Tsuyoshi Kobe, JP 38 411

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jul 9, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 9, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 9, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00