Patents by Inventor Nigel A. Langley

Nigel A. Langley 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).

  • A METHOD FOR STABILIZING CELL CULTURE SYSTEMS USING AN AMPHIPHILIC GRAFT COPOLYMER AS CELL CULTURE REAGENT
    Publication number: 20210163879
    Abstract: A method for stabilizing cells in cell culture production, the method comprising culturing a cell line capable of expressing proteins in cell culture media, and supplementing said cell culture media with a graft polymer in which N-vinyl caprolactam and vinyl acetate moieties are grafted on a polyethylene glycol backbone.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 3, 2021
    Inventors: Felicitas Guth, Karl Kolter, Nigel A. Langley, Kerri Gaumer Freidl, Kristina Brueggemann
  • A PROCESS FOR PURIFICATION OF POLYETHER BLOCK COPOLYMERS
    Publication number: 20180353875
    Abstract: A process for purification of polyether block copolymers comprising polyoxyethylene and polyoxypropylene moieties using sequential multi-column size exclusion chromatography apparatus operated as a counter current moving bed wherein a process cycle comprises the steps of.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 13, 2018
    Inventors: Pedro Sa Gomes, Bastiaan Bram Pieter Staal, Felicitas Guth, Nigel A. Langley
  • Use of nervonic acid and long chain fatty acids for the treatment of demyelinating disorders
    Patent number: 5194448
    Abstract: Composition containing nervonic acid (cis-tetracos-15-enoic acid) in a physiologically acceptable form are useful in the treatment of demyelinating disease, such as multiple sclerosis. Additional long chain fatty acids of chain length C16 to C26, especially erucic acid, or their esters, may be included in such compositions.
    Type: Grant
    Filed: August 6, 1991
    Date of Patent: March 16, 1993
    Assignee: Croda International PLC
    Inventors: Keith Coupland, Nigel A. Langley