Location History:
- Wesseling-Urfeld, DE (1980 - 1985)
- Bonn-Duisdorf, DE (2001)
- Bonn, DE (1993 - 2006)
Company Filing History:
9 out of 1,678 
3 out of 343 
1 out of 145 Years Active: 1980-2006
**Title: Innovations of Heinz Esch in Precipitated Silicas**
Introduction
Heinz Esch, an accomplished inventor based in Bonn, Germany, has made significant contributions to the field of material science, particularly in the development of precipitated silicas. With a total of 14 patents to his name, Esch has innovated processes and compositions that enhance the quality and performance of rubber products.
Latest Patents
Esch's latest patents focus on the formulation and production of rubber compositions that incorporate precipitated silica. His patented processes involve reacting alkali silicate with mineral acids at controlled temperatures ranging from 60°C to 95°C. Maintaining a pH between 7.5 and 10.5 during the reaction and achieving a solids concentration in the precipitation suspension between 90 g/l to 120 g/l are critical aspects of his innovation. The process culminates in adjusting the pH to 5 or lower, followed by filtering, washing, drying, and optional grinding or granulating of the precipitated silica. This versatile material is primarily used as a filler in vulcanizable rubber compounds and vulcanizates, significantly improving durability and performance.
Career Highlights
Throughout his career, Esch has been associated with notable companies, including Degussa Aktiengesellschaft and Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler. His work in these organizations has not only allowed him to develop his notable patents but also to play a vital role in advancing the applications of precipitated silicas in various industrial sectors.
Collaborations
During his career, Esch has collaborated with fellow professionals, including Robert Kuhlmann and Ralf Rausch, both of whom have contributed to the innovation and development of materials that meet the demands of modern applications.
Conclusion
Heinz Esch stands out as a significant figure in the invention of rubber compositions utilizing precipitated silicas. With his extensive patent portfolio and collaborative efforts, he continues to influence the field of material science, ensuring that the products manufactured using his innovations remain at the forefront of technology and performance. His contributions are instrumental in shaping the future of rubber manufacturing and its applications across various industries.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.