Company Filing History:
Years Active: 1976-1978
Title: The Innovative Contributions of Besir K Onder
Introduction
Besir K Onder is a notable inventor based in North Haven, CT (US), recognized for his significant contributions to the field of polymer chemistry. With a total of 10 patents to his name, Onder has made strides in the preparation of polyamideimides and related polymers, showcasing his expertise and innovative spirit.
Latest Patents
Among his latest patents, Onder has developed a method for the preparation of polyamideimide from diisocyanate with alkali metal. This process utilizes specific catalysts that enhance the preparation of soluble polyimides, polyamides, and polyamideimides. The catalysts are compounds of a specific formula wherein M represents an alkali metal, and n is an integer from 2 to 5 inclusive. The improved process involves reacting organic diisocyanates with polycarboxylic compounds, including tetracarboxylic acids and their intramolecular dianhydrides, tricarboxylic acids, and dicarboxylic acids, in the presence of these catalysts. This innovative approach allows for the production of polymers in solution at low reaction temperatures and short reaction times, effectively minimizing side-reactions that could negatively impact polymer molecular weight and properties.
Another significant patent by Onder focuses on the preparation of polyamide from diisocyanate with alkali metal lactamate. Similar to his previous work, this method employs specific catalysts to improve the process of creating soluble polyimides, polyamides, and polyamideimides. The reaction conditions and catalyst use are designed to optimize the polymerization process, ensuring high-quality polymer products.
Career Highlights
Besir K Onder has built a successful career at The Upjohn Company, where he has applied his knowledge and skills in polymer chemistry to develop innovative solutions. His work has not only advanced the field but has also contributed to the company's reputation for excellence in pharmaceutical and chemical manufacturing.
Collaborations
Throughout his career, Onder has collaborated with esteemed colleagues, including William J Farrissey, Jr and Philip S Andrews. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Besir K Onder's contributions to polymer chemistry through his patents and work at The Upjohn Company highlight his role as a leading inventor in the field. His innovative methods for preparing polyamideim
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