This inventor holds 3 USPTO granted patents. Top assignee: Dynamit Nobel Aktiengesellschaft. Active years: 1977-1978.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1977-1978
Title: Otto W Bleh: A Legacy of Innovation in Chemical Processes
Introduction
Otto W Bleh was a notable inventor whose contributions to the field of chemistry have left a lasting impact. He was based in Troisdorf, Germany, and held a total of 3 patents during his career. His work primarily focused on innovative processes for chemical production, showcasing his expertise and creativity in the field.
Latest Patents
Among his latest patents, one significant invention was the "Process for the preparation of dimethyl terephthalate." This process involved producing dimethyl terephthalate from high-boiling tarry residues through a series of steps, including the esterification of resulting acids with methanol and the separation of the final product. The method required treating high-boiling residues with methanol at temperatures exceeding 250 degrees Celsius, followed by conventional separation techniques.
Another notable patent was the "Method of preparing alkoxymethylenemalonic acid esters." This method detailed the preparation of alkoxymethylene malonic acid esters by reacting malonic acid diester with ortho formic acid triester in the presence of a carboxylic acid or anhydride and a Lewis acid. The process was designed to efficiently remove alcohol formed during the reaction, ensuring a high yield of the desired product.
Career Highlights
Otto W Bleh's career was marked by his association with Dynamit Nobel Aktiengesellschaft, where he contributed significantly to the company's research and development efforts. His innovative spirit and dedication to advancing chemical processes were evident throughout his work.
Collaborations
Throughout his career, Otto collaborated with notable colleagues, including Otto Ackermann and Heinrich Bunger. These partnerships fostered an environment of creativity and innovation, leading to the development of groundbreaking chemical processes.
Conclusion
Otto W Bleh's contributions to the field of chemistry through his patents and collaborations have solidified his legacy as an influential inventor. His innovative processes continue to inspire future generations in the realm of chemical engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile