This inventor holds 7 USPTO granted patents. Top assignees: Shell Oil Comapny, Shell Internationale Research Maatschappij, B.v.. Active years: 1980-1985.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:


Years Active: 1980-1985
Title: Innovations of Johannes Van Berkel
Introduction
Johannes Van Berkel is a notable inventor based in Amsterdam, Netherlands. He has made significant contributions to the field of chemistry, particularly in the development of new chemical compounds. With a total of 7 patents to his name, Van Berkel's work has had a considerable impact on various applications in the industry.
Latest Patents
One of his latest patents is a process for preparing cyclopropane carboxylic acid ester derivatives. This innovative process involves creating a compound that contains substantially equimolar amounts of the 1R cis S- and the 1S cis R-isomers while being substantially free of the 1R cis R- and the 1S cis S-isomers. The method includes contacting the cis-1 enantiomer pair with an organic amine base and separating off a solid compound containing the cis-2 enantiomer pair. Another significant patent involves the creation of 2-(2,2-dihalovinyl-3,3-dimethylcyclopropyl)vinyl alkanoates, which are new chemical compounds useful as intermediates in the preparation of certain pyrethroid acids.
Career Highlights
Throughout his career, Johannes Van Berkel has worked with prominent companies such as Shell Oil Company and Shell Internationale Research Maatschappij B.V. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking research in the chemical industry.
Collaborations
Van Berkel has collaborated with notable coworkers, including Hendrik C. Kelderman and Johannes L. Syrier. These partnerships have fostered a collaborative environment that has led to innovative solutions and advancements in their respective fields.
Conclusion
Johannes Van Berkel's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His innovative processes and chemical compounds continue to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile