Location History:
- Manheim, DE (1994)
- Mannheim, DE (1996 - 2000)
- Stratford, CA (1998 - 2004)
Company Filing History:
5 out of 76 
4 out of 26 
2 out of 23 
Years Active: 1994-2004
Title: Innovations of Hans-Joachim Graf
Introduction
Hans-Joachim Graf is a notable inventor based in Mannheim, Germany. He has made significant contributions to the field of materials science, particularly in the development of advanced thermoplastics for automotive applications. With a total of 12 patents to his name, Graf's work has had a substantial impact on vehicle manufacturing processes.
Latest Patents
Among his latest patents, Graf has developed moisture crosslinkable thermoplastics for the manufacture of vehicle weather strips. This innovation involves methods for forming a composite extrusion that includes a main body member made from elastomeric thermoset rubber, along with an abrasion-resistant decorative layer made from a crosslinkable thermoplastic. The thermoplastic can be an ethylene-octene copolymer or a copolymerized ethylene-styrene interpolymer, which contains grafted silane functional groups to enable crosslinking in the presence of moisture. Additionally, he has created a blend of EPDM and SBR using an EPDM of different origin as a compatibilizer. This polymer blend is suitable for automotive applications and exhibits physical properties comparable to conventional EPDM rubbers while maintaining excellent heat and weather resistance.
Career Highlights
Graf has worked with several prominent companies throughout his career, including Rhein Chemie Rheinau GmbH and Cooper Technology Services, LLC. His expertise in materials science has allowed him to contribute to various innovative projects that enhance the performance and durability of automotive components.
Collaborations
Throughout his career, Graf has collaborated with notable professionals in the field, including Rene Loix and Harald Kleinknecht. These collaborations have further enriched his work and led to advancements in the technologies he has developed.
Conclusion
Hans-Joachim Graf's contributions to the field of materials science and his innovative patents have significantly influenced the automotive industry. His work continues to pave the way for advancements in vehicle manufacturing and materials technology.
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.