Patents by Inventor Ronald D. Shaver

Ronald D. Shaver 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).

  • Methanol carbonylation with improved aldehyde removal
    Publication number: 20110112324
    Abstract: Methanol carbonylation with improved aldehyde removal includes: (a) scrubbing light ends and aldehyde impurity from vent gas with an absorber solvent; (b) stripping absorbed light ends and aldehyde impurity from the absorber solvent to provide a vent-recovered light ends stream; (c) purifying the vent-recovered light ends stream to remove aldehyde impurity; and (d) recycling purified light ends from the vent-recovered light ends stream to the production system.
    Type: Application
    Filed: January 5, 2011
    Publication date: May 12, 2011
    Inventor: Ronald D. Shaver
  • Methanol carbonylation with improved aldehyde removal
    Patent number: 7884237
    Abstract: Methanol carbonylation with improved aldehyde removal includes: (a) scrubbing light ends and aldehyde impurity from vent gas with an absorber solvent; (b) stripping absorbed light ends and aldehyde impurity from the absorber solvent to provide a vent-recovered light ends stream; (c) purifying the vent-recovered light ends stream to remove aldehyde impurity; and (d) recycling purified light ends from the vent-recovered light ends stream to the production system.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: February 8, 2011
    Assignee: Celanese International Corp.
    Inventor: Ronald D. Shaver
  • Methanol carbonylation with improved aldehyde removal
    Publication number: 20100121101
    Abstract: Methanol carbonylation with improved aldehyde removal includes: (a) scrubbing light ends and aldehyde impurity from vent gas with an absorber solvent; (b) stripping absorbed light ends and aldehyde impurity from the absorber solvent to provide a vent-recovered light ends stream; (c) purifying the vent-recovered light ends stream to remove aldehyde impurity; and (d) recycling purified light ends from the vent-recovered light ends stream to the production system.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 13, 2010
    Inventor: Ronald D. Shaver