Multiporous hollow-fiber membrane and process for producing multiporous hollow-fiber membrane

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10023709
APP PUB NO 20160039987A1
SERIAL NO

14776943

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a multiporous hollow-fiber membrane containing a thermoplastic resin, in which an aspect ratio of outer surface pores is 10 or more, an aspect ratio of inner surface pores is 1 to 5, and a thickness of a polymer backbone forming the outer surface pores is 1 μm to 20 μm.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ASAHI KASEI CHEMICALS CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miki, Yuki Tokyo, JP 5 0
Okamura, Daisuke Tokyo, JP 18 32

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 Jan 17, 2022
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 17, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 17, 2030
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