Company Filing History:
22 out of 53 
1 out of 2 Years Active: 1976-1989
Title: **Alfred Lipp: Innovator in Sintered Materials**
Introduction
Alfred Lipp, based in Bad Worishofen, Germany, is an accomplished inventor with an impressive portfolio of 23 patents. His work is primarily focused on the development of advanced materials, particularly sintered articles that exhibit outstanding physical properties.
Latest Patents
Among his latest inventions, Lipp has developed pressure-sintered polycrystalline mixed materials that are notable for their unique composition. These materials are made with hexagonal boron nitride as the primary base, supplemented by oxides (such as ZrO₂ and MgO) and carbides (like SiC, TiC, and ZrC). The resulting mixture boasts a density of at least 94% of the theoretical density and is produced through a hot-pressing process or by isostatic hot-pressing in a high-pressure autoclave. Such materials are lauded for their resistance to liquid metals, wear, and thermal shock, making them ideal for use in the steel and non-ferrous metal industries.
Lipp's other significant patent includes the creation of polycrystalline sintered articles that contain at least 50% by weight of crystalline silicon nitride, primarily in the β-form. These articles display remarkable strength characteristics and are formulated using a blend of silicon nitride powder, natural or synthetic crystalline silicates, and metal carbides. These products maintain high performance even at elevated temperatures, showcasing Lipp's expertise in materials science.
Career Highlights
Alfred Lipp's career spans significant contributions to the fields of materials engineering and innovation. He has notable experience with Elektroschmelzwerk Kempten GmbH, where he honed his skills in material development and processing. His dedication to research has positioned him as a pioneering figure in the invention of advanced sintered materials.
Collaborations
Throughout his career, Lipp has collaborated with esteemed colleagues such as Klaus Reinmuth and Klaus Hunold. These partnerships have contributed to the advancement of his innovative projects, allowing him to combine expertise and insights in the pursuit of groundbreaking solutions in the materials science sector.
Conclusion
Alfred Lipp's contributions to the field of polycrystalline materials have paved the way for innovative applications in various industries. His patents not only highlight his technical prowess but also underscore the importance of collaboration in the advancement of science and technology. With a continued focus on innovation, Lipp's work remains influential in the realm of advanced materials engineering.