This inventor holds 11 USPTO granted patents and 2 published patent applications and 5 EPO patents. Top assignees: Sabic Innovative Plastics IP B.v., Other. Active years: 2008-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Roosendaal, NL (2008)
- Standdaarbuiten, NL (2009 - 2011)
Company Filing History:
10 out of 608 
1 out of 834,601 Years Active: 2008-2011
Title: Dennis James Patrick Maria Willemse: Innovator in Chemical Processes
Introduction
Dennis James Patrick Maria Willemse is a notable inventor based in Standdaarbuiten, Netherlands. He has made significant contributions to the field of chemistry, particularly in the development of methods for synthesizing various chemical compounds. With a total of 11 patents to his name, Willemse has established himself as a key figure in innovation.
Latest Patents
Willemse's latest patents include a method for making carbamates, ureas, and isocyanates. This invention provides methods for forming these compounds by reacting an amine with an ester-substituted diaryl carbonate. The process allows for the creation of activated carbamates, which can be further transformed into non-activated carbamates or ureas. Additionally, the urea or carbamate can undergo pyrolysis to yield isocyanates. Another significant patent involves a method for making carbonates and esters. This method combines a monofunctional alcohol or a difunctional diol with an ester-substituted diaryl carbonate to create a reaction mixture. The resulting reaction can form either a monomeric carbonate or a monomeric ester.
Career Highlights
Throughout his career, Willemse has worked with prominent companies, including Sabic Innovative Plastics. His expertise in chemical processes has led to numerous advancements in the industry. His innovative approaches have contributed to the development of new materials and chemical processes that are essential in various applications.
Collaborations
Willemse has collaborated with several professionals in his field, including Hans-Peter Brack and Maarten Antoon Jan Campman. These collaborations have fostered a creative environment that has led to the successful development of his patented methods.
Conclusion
Dennis James Patrick Maria Willemse is a distinguished inventor whose work in chemical processes has had a significant impact on the industry. His innovative patents and collaborations highlight his commitment to advancing chemical synthesis methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile