Location History:
- Maastricht, NL (1991 - 1999)
- Guilford, NL (2002)
Company Filing History:
Years Active: 1991-2002
Title: The Innovative Contributions of Robert M Leeuwendal
Introduction
Robert M Leeuwendal is a notable inventor based in Maastricht, Netherlands. He has made significant contributions to the field of polyamide compositions, particularly for electronic applications. With a total of 3 patents to his name, Leeuwendal's work has had a considerable impact on the industry.
Latest Patents
One of his latest patents is titled "High-melting polyamide composition for electronic applications." This invention relates to a polyamide composition designed for the production of electrical and electronic components that can withstand the conditions of surface mounting technology. The composition demonstrates a high resistance to blistering during the reflow soldering process. It includes a polyamide with a melting point higher than 280°C, a polymer with a melting point lower than 230°C, a halogen-containing compound, and optionally, a synergist for flame-retardant properties, reinforcing material, and other additives. Notably, a particularly good resistance to blistering is achieved if the reinforcing material contains at least a compound with acid imide groups.
Another significant patent is "Electrical and electronic components made of a polyamide composition." This invention focuses on components made from a polyamide composition that offers improved resistance under soldering conditions, especially when using surface mounting techniques. The composition's main chain consists of units derived from aliphatic dicarboxylic acids and diamines or α,ω-amino acids, with 1-40% of the chain units derived from specific cyclohexanedicarboxylic acids and aliphatic diamines. This innovation results in a temperature at which blisters form during soldering being 20-30°C higher than that of the homo-polyamide.
Career Highlights
Throughout his career, Robert M Leeuwendal has worked with prominent companies such as DSM N.V. and Stamicarbon B.V. His experience in these organizations has allowed him to refine his expertise in polymer technology and electronic applications.
Collaborations
Leeuwendal has collaborated with notable professionals in his field, including Edward D Weil and Navin G Patel. These collaborations have contributed to the advancement of his innovative work and the development of new technologies.
Conclusion
Robert M Leeuwendal's contributions to the field of polyamide compositions for electronic applications highlight his innovative spirit and dedication to advancing technology. His
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