Location History:
- Midland, MI (US) (2007 - 2022)
- Wilmington, DE (US) (2022)
Company Filing History:
7 out of 4,629 
2 out of 9 Years Active: 2007-2022
Title: The Innovations of Robert B. Appell
Introduction
Robert B. Appell is a notable inventor based in Midland, MI, who has made significant contributions to the field of cellulose chemistry. With a total of nine patents to his name, Appell's work focuses on innovative methods for the preparation and modification of cellulose ethers, which have applications in various industries.
Latest Patents
One of Appell's latest patents is a method for controlled preparation of low molecular weight cellulose ether. This process involves several steps, including providing an initial cellulose ether powder with a specific moisture content, heating the powder, and adding a solid base to create a cellulose ether/base mixture. The final step involves hydrolyzing the initial cellulose ether with a volatile acid to achieve a lower viscosity. Another significant patent addresses the size reduction of ethylcellulose polymer particles, providing a process for effectively reducing particle size and creating a dispersion from the resulting material.
Career Highlights
Throughout his career, Robert B. Appell has worked with prominent companies such as Dow Global Technologies LLC and Nutrition & Biosciences USA 1, LLC. His expertise in cellulose chemistry has allowed him to contribute to advancements in product formulations and applications.
Collaborations
Appell has collaborated with notable colleagues, including Oliver Petermann and Matthias Sprehe, enhancing the innovative potential of his projects through teamwork and shared expertise.
Conclusion
Robert B. Appell's contributions to cellulose chemistry through his patents and collaborations highlight his role as a significant inventor in the field. His innovative methods continue to influence various applications and industries.
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.