This inventor holds 10 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Wolff Walsrode Ag, Dow Global Technolgoies LLC, Dow Wolff Cellulosics Gmbh. Active years: 1995-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fallingbostel, DE (1995 - 1996)
- Walsrode, DE (1996 - 1998)
- Soltau, DE (2005 - 2012)
Company Filing History:
7 out of 181 
1 out of 4,807 
1 out of 2 Years Active: 1995-2012
Title: Inventor Wolfgang Dannhorn: A Pioneer in Cellulosic Innovations
Introduction
Wolfgang Dannhorn, an esteemed inventor based in Walsrode, Germany, has made significant contributions to the field of cellulose chemistry. With a remarkable portfolio of 10 patents, he has focused his efforts on developing innovative processes that enhance the properties and applications of cellulose derivatives.
Latest Patents
Among his latest inventions, Wolfgang has been instrumental in the development of a process for preparing methylhydroxyalkylcellulose, which is notable for maintaining a small number of colored particles. This method involves the separation of methylhydroxyalkylcellulose from an aqueous suspension and its subsequent washing using a specially equipped rotary pressure filter.
In addition, he has created a process for preparing alkylhydroxyalkylcellulose, such as methylhydroxyethylcellulose and methylhydroxypropylcellulose. This complex method encompasses several steps, including alkalizing cellulose, reacting it with alkylating and hydroxyalkylating agents, and isolating the resulting alkylhydroxyalkylcellulose. This invention showcases Wolfgang's prowess in enhancing the efficiency and purity of cellulose derivatives.
Career Highlights
Throughout his career, Wolfgang Dannhorn has held prominent positions in renowned companies, including Wolff Walsrode AG and Dow Wolff Cellulosics GmbH. His experience in these esteemed organizations has played a crucial role in his development as an inventor and has furthered advancements in the cellulose industry.
Collaborations
Wolfgang has collaborated with notable professionals in the field, including Lutz Hoppe and Erhard Luhmann. Their joint efforts have contributed to the refinement of cellulose-related processes and innovations, showcasing the power of teamwork in scientific advancements.
Conclusion
With a strong commitment to innovation in cellulose chemistry, Wolfgang Dannhorn continues to push boundaries and develop processes that have a lasting impact on the industry. His inventive spirit and dedication to advancing cellulose derivatives position him as a noteworthy inventor in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile