Patents by Inventor Rainer Schirra

Rainer Schirra 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).

  • Lead-free initiating agents or initiating agent mixtures
    Patent number: 11535575
    Abstract: Subject matter of the invention are lead-free initiating agents or initiating agent mixtures and initiating and igniting compositions which contain the lead-free initiating agents or initiating agent mixtures.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: December 27, 2022
    Assignee: DYNITEC GMBH
    Inventors: Helmut Zoellner, Manuel Joas, Rainer Schirra, Kemal Kaplan
  • LEAD-FREE INITIATING AGENTS OR INITIATING AGENT MIXTURES
    Publication number: 20190256438
    Abstract: Subject matter of the invention are lead-free initiating agents or initiating agent mixtures and initiating and igniting compositions which contain the lead-free initiating agents or initiating agent mixtures
    Type: Application
    Filed: July 10, 2017
    Publication date: August 22, 2019
    Inventors: Helmut ZOELLNER, Manuel JOAS, Rainer SCHIRRA, Kemal KAPLAN
  • Method for producing DNDA
    Patent number: 6815561
    Abstract: The invention relates to a method for producing DNDA that is advantageous in economical, chemical and process engineering terms.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: November 9, 2004
    Assignee: DynITEC GmbH
    Inventors: Rainer Schirra, Heinz-Gerd Emans, Leonard Lichtblau
  • Method for producing dnda
    Publication number: 20030191346
    Abstract: The invention relates to a method for producing DNDA that is advantageous in economical, chemical and process engineering terms.
    Type: Application
    Filed: June 2, 2003
    Publication date: October 9, 2003
    Inventors: Rainer Schirra, Heinz-Gerd Emans, Leonard Lichtblau
  • Method of producing N-alkyl-N?-nitroguanidine
    Patent number: 6384277
    Abstract: The invention relates to a method of producing N-alkyl-N′-nitroguanidine. According to said method, an alkyl amine solution is added to a nitroguanidine or nitroguanidine nitrate suspension at temperatures of >60° C. and the ammonia formed is removed.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: May 7, 2002
    Assignee: Dynamit Nobel GmbH Explosivstoff- und Systemtechnik
    Inventors: Winfried Pabst, Rainer Schirra