Patents by Inventor Ernst-Helmut Philippi

Ernst-Helmut Philippi 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 reducing nitrogen oxide losses from certain slurries and solutions by the addition of phosphate salts

Patent number: 4008315

Abstract: Nitrous oxide losses are reduced by bringing acid to weakly alkaline salt solutions or suspensions into media containing nitrous oxide or media which develop nitrous oxide.

Type: Grant

Filed: January 2, 1973

Date of Patent: February 15, 1977

Assignee: Veba-Chemie AG

Inventors: Ernst-Helmut Philippi, Helmut Pokorny, Wolfgang Mumme

Process for reducing nitrogen oxide losses from certain slurries and solutions by the addition of phosphate salts