This inventor holds 12 USPTO granted patents and 2 EPO patents. Top assignees: Rhein Chemie Rheinau Gmbh, Cooper Technology Services, LLC, Friatec Aktiengesellschaft. Active years: 1994-2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Manheim, DE (1994)
- Mannheim, DE (1996 - 2000)
- Stratford, CA (1998 - 2004)
Company Filing History:
5 out of 77 
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile