Company Filing History:
6 out of 5,663 
2 out of 10 
1 out of 10,754 
Years Active: 2008-2017
Title: Holger Allardt: Innovator in Chemical Processes
Introduction
Holger Allardt is a notable inventor based in Schwarzheide, Germany. He has made significant contributions to the field of chemical engineering, particularly in processes related to the nitration of aromatic compounds. With a total of seven patents to his name, Allardt's work has had a considerable impact on industrial practices.
Latest Patents
Among his latest patents, Allardt has developed a process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid. This innovative process involves two scrubbing steps, where the crude mixture obtained from the nitration of toluene is treated to remove harmful substances. The first scrubbing step utilizes a scrubbing acid that contains nitric acid, nitrogen oxides, and sulfuric acid, resulting in a prescrubbed crude mixture. The second scrubbing step further refines this mixture, ensuring it is essentially free of nitric acid, sulfuric acid, nitrogen oxides, and hydrocyanic acid. Another significant patent relates to the workup of nitrite-comprising alkaline process wastewaters from the nitration of aromatic compounds, focusing on the acidification of wastewater and the treatment of offgas containing nitrogen oxides.
Career Highlights
Throughout his career, Holger Allardt has worked with prominent companies such as BASF SE and Josef Meissner GmbH & Co. KG. His experience in these organizations has allowed him to develop and refine his innovative processes, contributing to advancements in chemical engineering.
Collaborations
Allardt has collaborated with notable colleagues, including Ruediger Fritz and Renate Hempel. These partnerships have facilitated the exchange of ideas and expertise, further enhancing the quality of his inventions.
Conclusion
Holger Allardt's contributions to chemical processes, particularly in the nitration of aromatic compounds, demonstrate his innovative spirit and dedication to improving industrial practices. His patents reflect a commitment to advancing the field and addressing environmental concerns.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.