Patents by Inventor Hermann Sicius

Hermann Sicius 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 conditioning standing and flowing water systems
    Patent number: 6986852
    Abstract: The invention relates to a novel conditioning agent based on polysuccinimide, its hydrolysates or its partial hydrolysates, for preventing deposits in standing or flowing water systems.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: January 17, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Sicius, Thomas Sildatke, Thomas Menzel, Wolfgang Wambach, Winfried Joentgen, Thomas Klausa, Thomas Klein
  • Process for conditioning standing and flowing water systems
    Publication number: 20020125199
    Abstract: The invention relates to a novel conditioning agent based on polysuccinimide, its hydrolysates or its partial hydrolysates, for preventing deposits in standing or flowing water systems.
    Type: Application
    Filed: August 23, 2001
    Publication date: September 12, 2002
    Inventors: Hermann Sicius, Thomas Sildatke, Thomas Menzel, Wolfgang Wambach, Winfried Joentgen, Thomas Klausa, Thomas Klein
  • 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
  • Water treatment/cleaning composition comprising polyaspartic acid or derivatives thereof and phosphonic acid
    Patent number: 5523023
    Abstract: An improved composition for water treatment and for alkaline cleaning contains polyaspartic acid or a derivative thereof and a phosphonic acid.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: June 4, 1996
    Assignee: Bayer AG
    Inventors: Roland Kleinstuck, Hermann Sicius, Torsten Groth, Winfried Joentgen
  • Process for eliminating 1-carboxy-1-phosphonocyclopentan-3-one from, or reducing its content in, technical 2-phosphonobutane-1,2,4-tricarboxylic acid using bleaching liquor
    Patent number: 5091562
    Abstract: The present invention relates to a process for eliminating 1-phosphono-1-carboxycyclopentan-3-one (ketone) from, or reducing its content in, an aqueous solution of 2-phosphonobutane-1,2,4-tricarboxylic acid, characterized in that the solution is adjusted to a pH value of > 6 using an aqueous inorganic base, particularly sodium hydroxide, and aqueous bleaching liquor is subsequently added in a molar ratio of NaOCl to ketone of >5:1.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: February 25, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Immenkeppel, Roland Kleinstuck, Hans-Dieter Block, Hermann Sicius, Peter Schmidt