This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Hoechst Aktiengesellschaft, Se Tylose Gmbh & Co. Kg. Active years: 1982-2009.
Company Filing History:
Years Active: 1982-2009
Introduction
Eberhard Perplies is a notable inventor based in Walluf, Germany, recognized for his significant contributions to cellulose processing. With a total of seven patents to his name, Perplies has developed innovative methods and devices that enhance the efficiency and effectiveness of cellulose grinding and etherification.
Latest Patents
Among Eberhard's latest patents are:
1. **Method and Device for Grinding Cellulose** - This patent discloses a method and a device designed for grinding cellulose. It involves uniformly moistening raw cellulose material with a specific quantity of liquid via a moistening unit, prior to grinding it in a grinding mill. A first conveying mechanism delivers the raw cellulose to the moistening unit, while a second mechanism conveys the moistened material to the grinding mill.
2. **Process for Etherifying Cellulose with Alkyl Monochloroacetates** - This innovative process outlines the preparation of water-soluble sodium carboxymethyl cellulose (NaCMC), encompassing mixed ethers of NaCMC. It involves etherifying cellulose with alkyl monochloroacetates in an aqueous-alkaline dispersion that contains at least one organic solvent. The process begins with alkalizing cellulose before reacting it with the etherifying agent in the presence of the organic solvent.
Career Highlights
Eberhard Perplies has had a diverse career, contributing to prestigious companies such as Hoechst Aktiengesellschaft and Se Tylose GmbH & Co. KG. His expertise in cellulose processing has allowed him to make valuable advances in this field.
Collaborations
Throughout his career, Eberhard has collaborated with noteworthy individuals such as Arno Holst and Utz-Hellmuth Felcht. These collaborations have likely enriched his research and led to innovative breakthroughs in cellulose technology.
Conclusion
Eberhard Perplies stands as a key figure in cellulose innovation, with his contributions significantly impacting the industry. His patents not only showcase his inventive spirit but also his commitment to improving cellulose processing methods, making him a respected inventor in the field.