Location History:
- Rheinfelden, DE (1976)
- Bruhl, DE (1982 - 1987)
- Bruehl, DE (1981 - 1992)
Company Filing History:
11 out of 1,678 
2 out of 343 Years Active: 1976-1992
Title: Ludwig Lange: Innovator in Sodium Polysulfide Chemistry
Introduction
Ludwig Lange is a notable inventor based in Bruehl, Germany, recognized for his contributions to the field of sodium polysulfide chemistry. With a total of 13 patents to his name, Lange has made significant advancements in methods for preparing lower sodium polysulfides.
Latest Patents
Lange's latest patents include a method for preparing lower sodium polysulfides from higher sodium polysulfides. This innovative process involves reacting molten sodium polysulfide with sodium in a stoichiometric ratio under vigorous agitation and protective gas. The method ensures that the reaction mixture remains agitated until the desired product composition is achieved. Another significant patent is the method of preparing sodium monosulfide by reacting sodium polysulfide with sodium under protective gas. This process involves preheating the sodium polysulfide and gradually adding liquid sodium while maintaining specific temperature conditions to achieve a high purity of sodium monosulfide.
Career Highlights
Throughout his career, Ludwig Lange has worked with prominent companies such as Degussa Aktiengesellschaft and Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler. His work in these organizations has contributed to the development of innovative chemical processes and products.
Collaborations
Lange has collaborated with notable coworkers, including Walter Hinrichs and Erich Splett, who have also contributed to advancements in the field of chemistry.
Conclusion
Ludwig Lange's innovative work in sodium polysulfide chemistry has led to significant advancements in the preparation of important chemical compounds. His contributions continue to influence the field and showcase the importance of innovation in chemical research.
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.