Patents by Inventor John KRIGSMAN

John KRIGSMAN 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).

  • PROCESS FOR THE REMOVAL OF AMMONIA FROM AN AMMONIA-CONTAINING GAS STREAM
    Publication number: 20140284214
    Abstract: The invention is directed to a process for the removal of ammonia from an ammonia-containing gas stream by treating the ammonia in the ammonia-containing gas stream with an acid, during which treatment an aqueous stream comprising an ammonium salt, wherein the aqueous stream comprising the ammonium salt is treated with electrodialysis, whereby the acid is recovered and an aqueos stream comprising an ammonium hydroxide salt is formed.
    Type: Application
    Filed: March 24, 2014
    Publication date: September 25, 2014
    Applicant: STAMICARBON B.V.
    Inventors: Jozef Hubert I. MEESSEN, Axel ERBEN, John KRIGSMAN, Winfried LIEBIG