Patents by Inventor Sean Malmberg

Sean Malmberg 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).

  • Phosphonium ionomers comprising pendant vinyl groups and processes for preparing same
    Patent number: 10005853
    Abstract: The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: June 26, 2018
    Assignee: LANXESS International SA
    Inventors: Gregory J. E. Davidson, Dana Adkinson, Sean Malmberg, Lorenzo Ferrari, Conrad Siegers, Sarah Chadder
  • Ionomer comprising pendant vinyl groups and processes for preparing same
    Patent number: 9796794
    Abstract: The present invention relates to ionomers comprising a reaction product of the reaction between a) a halogenated isoolefin copolymer and b) a nucleophile having no pendant vinyl group and a nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: October 24, 2017
    Assignee: LANXSS, Inc.
    Inventors: Dana K. Adkinson, Jacob Rawski, Sean Malmberg, Gregory J. E. Davidson
  • PROCESS FOR THE PRODUCTION OF MODIFIED BUTYL RUBBER
    Publication number: 20160362505
    Abstract: There is provided a process for producing an ionomer comprising the steps of (a) admixing in a mixer a halogenated copolymer with at least one nitrogen and/or phosphorus based nucleophile and (b) extruding the mixture from step (a). The process takes place with high conversion and the resulting ionomer contains a low amount of residual nucleophile and has a low yellowness index.
    Type: Application
    Filed: February 27, 2015
    Publication date: December 15, 2016
    Inventors: Dana ADKINSON, Sean MALMBERG
  • PHOSPHONIUM IONOMERS COMPRISING PENDANT VINYL GROUPS AND PROCESSES FOR PREPARING SAME
    Publication number: 20160304634
    Abstract: The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 20, 2016
    Inventors: Gregory J.E. DAVIDSON, Dana ADKINSON, Sean MALMBERG, Lorenzo FERRARI, Conrad SIEGERS, Sarah CHADDER
  • Phosphonium ionomers comprising pendant vinyl groups and processes for preparing same
    Patent number: 9388258
    Abstract: The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers.
    Type: Grant
    Filed: November 24, 2011
    Date of Patent: July 12, 2016
    Assignee: LANXESS INTERNATIONAL SA
    Inventors: Gregory Davidson, Dana Adkinson, Sean Malmberg, Lorenzo Ferrari, Conrad Siegers, Sarah Chadder
  • IONOMER COMPRISING PENDANT VINYL GROUPS AND PROCESSES FOR PREPARING SAME
    Publication number: 20160108140
    Abstract: The present invention relates to ionomers comprising a reaction product of the reaction between a) a halogenated isoolefin copolymer and b) a nucleophile having no pendant vinyl group and a nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers.
    Type: Application
    Filed: December 18, 2013
    Publication date: April 21, 2016
    Applicant: Lanxess Butyl Pte. Ltd.
    Inventors: Dana K. ADKINSON, Jacob RAWSKI, Sean MALMBERG, Gregory J.E. DAVIDSON
  • PHOSPHONIUM IONOMERS COMPRISING PENDANT VINYL GROUPS AND PROCESSES FOR PREPARING SAME
    Publication number: 20140051810
    Abstract: The present invention relates to ionomers comprising a reaction product of the reaction between a halogenated isoolefin copolymer and at least one phosphorus based nucleophile comprising at least one pendant vinyl group. The present invention also relates to a method of preparing and curing these ionomers.
    Type: Application
    Filed: November 24, 2011
    Publication date: February 20, 2014
    Applicant: LANXESS Inc.
    Inventors: Gregory J.E. Davidson, Dana Adkinson, Sean Malmberg, Lorenzo Ferrari, Conrad Siegers, Sara Chadder