Crosslinked cellulosic membranes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9254466
APP PUB NO 20150375177A1
SERIAL NO

14320481

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Disclosed are crosslinked porous membranes comprising a cellulosic material and an aromatic hydrophobic moiety or a copolymer of the formula A-B-A (I) or A-B (II), wherein block A, for example, polyglycerol, a polymer of allylglycidyl ether, or a copolymer of glycidol and allyl glycidyl ether, or a polymer of allyl glycidyl ether or a copolymer of glycidol and allyl glycidyl ether wherein one or more allyl groups having been replaced by hydrophilic groups. Block B is an aromatic hydrophobic moiety. An example of the aromatic hydrophobic moiety is polyethersulfone. Also disclosed is a method for preparing such membranes.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PALL CORPORATION25 HARBOR PARK DRIVE PORT WASHINGTON NY 11050

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ait-Haddou, Hassan Melville, US 30 115
Hambarsoomian, Shant M North Babylon, US 1 2
Onyemauwa, Frank Pace, US 10 16
Spielman, Lauren A Long Beach, US 1 2
Xiao, Lixiang Huntington Station, US 3 4

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 9, 2027
Fee Large entity fee small entity fee micro entity fee
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