Patents by Inventor Winfreid Joentgen

Winfreid Joentgen 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).

Composition for water treatment containing polyaspartic acidora derivative thereof and a polcarboxylic acid and methods of using the composition

Patent number: 5525257

Abstract: An improved composition for water treatment and for alkaline cleaning contains polyaspartic acid or a derivative thereof and a polycarboxylic acid.

Type: Grant

Filed: October 7, 1994

Date of Patent: June 11, 1996

Assignee: Bayer AG

Inventors: Roland Kleinstuck, Hermann Sicius, Torsten Groth, Winfreid Joentgen

Composition for water treatment containing polyaspartic acidora derivative thereof and a polcarboxylic acid and methods of using the composition