Patents by Inventor Lauren A. SPIELMAN

Lauren A. SPIELMAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Crosslinked cellulosic membranes
    Patent number: 9254466
    Abstract: 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of allyl glycidyl ether or a copolymer of glycidol and allyl glycidyl ether wherein one or more allyl groups having been replaced by hydrophilic groups.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.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: February 9, 2016
    Assignee: Pall Corporation
    Inventors: Lixiang Xiao, Hassan Ait-Haddou, Frank Onyemauwa, Lauren A. Spielman, Shant M. Hambarsoomian
  • CROSSLINKED CELLULOSIC MEMBRANES
    Publication number: 20150375177
    Abstract: 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of allyl glycidyl ether or a copolymer of glycidol and allyl glycidyl ether wherein one or more allyl groups having been replaced by hydrophilic groups.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.
    Type: Application
    Filed: June 30, 2014
    Publication date: December 31, 2015
    Inventors: Lixiang XIAO, Hassan AIT-HADDOU, Frank ONYEMAUWA, Lauren A. SPIELMAN, Shant M. HAMBARSOOMIAN