David G Othen

Title: Innovations in Pigment Production: The Contributions of David G. Othen

Introduction: David G. Othen is an inventive mind based in Grimsby, GB, known for his contributions to the field of pigment production. With one patent to his name, he has made significant strides in creating more stable and efficient methods for producing aqueous dispersions of pigmentary titanium dioxide.

Latest Patents: Othen's patent focuses on a novel process for the production of aqueous dispersions of pigmentary titanium. This invention enables the formation of stable high concentration aqueous slurries of pigmentary metal oxide particles, specifically those treated with hydrous alumina oxide. The innovative use of a combination of anionic and amine dispersants, along with milling in the presence of grinding elements such as those found in sand mills, helps to develop the necessary viscosity and gloss characteristics. Moreover, these slurries exhibit thixotropic properties, making them suitable for incorporation into vinyl silk aqueous emulsion paints.

Career Highlights: David G. Othen has established his career at Laporte Industries Limited, where he leverages his expertise in materials science and engineering to further advance the company's capabilities in pigment production. His work has not only been crucial for the development of high-quality products but has also positioned the company as a leader in innovative solutions in the paint and coatings industry.

Collaborations: Throughout his career, Othen has collaborated closely with his colleague, Brian John Tear, enhancing the knowledge-sharing and innovation processes within their team. Together, they have contributed to advancements in the industry, demonstrating the importance of teamwork in driving innovation.

Conclusion: David G. Othen’s contributions to the field of pigment production showcase the impact that innovative thinking can have on industrial processes. His patent reflects a deep understanding of materials and their properties, ultimately leading to improved products in the paint industry. As he continues to work with Laporte Industries Limited, Othen’s future endeavors are sure to lead to further advancements in the world of pigments and coatings.