Company Filing History:
Years Active: 1978-1980
Title: Innovations of Hubert Harold Chambers in the Field of Inorganic Oxide Pigments
Introduction
Hubert Harold Chambers is a notable inventor based in Waltham, GB, recognized for his contributions to the field of inorganic oxide pigments. With multiple patents to his name, Chambers has significantly impacted the way these materials are treated and utilized in various applications, particularly in the paint industry.
Latest Patents
Chambers holds two significant patents that showcase his innovative approaches. The first, titled "Method of Treating Inorganic Oxide Pigments," details a process where inorganic oxide pigments coated with alumina are treated using water-soluble hydroxy acids or salts, such as sodium citrate. Additionally, he incorporates water-soluble di- or polyhydric alcohols, like pentaerythritol, which enhance the pigments' characteristics. This treated titanium dioxide pigment finds applications in both emulsion and organic-based paint systems.
His second patent, "Method of Preparing Metal Oxide Slurries," outlines a technique for creating high solids metal oxides coated titanium dioxide aqueous slurries. This process highlights the necessity of a negative charge and high pH to ensure effectiveness in aqueous paint media. By implementing a hot ageing process at temperatures between 98°C and 100°C, Chambers has demonstrated how to effectively alter the isoelectric point of the slurry, thereby simplifying the use of metal oxide coating agents.
Career Highlights
Chambers' career is marked by his association with Laporte Industries Limited, where he has played a crucial role in advancing the development of inorganic pigments. His innovative methodologies have not only added value to the company’s product offerings but have also contributed to the overall progress in the field of materials science.
Collaborations
A notable collaboration in Chambers' career is with Brian John Tear, a coworker at Laporte Industries Limited. Their combined expertise has likely fostered advancements in their projects and enhanced the innovation process within the company.
Conclusion
Hubert Harold Chambers’ work in the treatment and preparation of inorganic oxide pigments represents a significant stride forward in the field. His patents showcase a blend of scientific knowledge and practical application, ensuring that his contributions will continue to influence the industry for years to come.