Location History:
- Lindenfels, Odenwald, DE (1976)
- Lautertal-2, DE (1983)
- Lautertal, DE (1981 - 2001)
- Lautertal-Gadernheim, DE (2000 - 2010)
Company Filing History:
32 out of 6,858 
7 out of 13 
4 out of 1,524 
Years Active: 1976-2010
Areas of Expertise:
Title: Innovations by Hans-Helmut Friedrich: A Pioneer in Polymer Stabilization
Introduction: Hans-Helmut Friedrich, based in Lautertal, Germany, is an eminent inventor recognized for his substantial contributions to the field of polymer stabilization. With an impressive portfolio of 48 patents, Friedrich has focused his efforts primarily on innovations that enhance the durability and stability of halogen-containing polymers.
Latest Patents: Among his notable recent inventions are two significant patents. The first, titled "Stabilizer System for Stabilizing Halogen-Containing Polymers," describes a unique stabilizer system utilizing a perchlorate salt combined with an indole compound. This innovation not only stabilizes chlorine-containing polymers but also encompasses a method for producing PVC stabilized by this system. The second patent, "Prestabilization of Halogen-Containing Polymers," introduces a process for creating stabilized suspension or emulsion polymers of halogen-containing monomers. This method involves the addition of a polymer stabilizer mixture that is compatible with the polymerization medium, either before, during, or immediately after the polymerization process.
Career Highlights: Hans-Helmut Friedrich has built a distinguished career in the chemical industry, working for prominent organizations such as Ciba-Geigy Corporation and Witco Vinyl Additives GmbH. His expertise in polymer chemistry has been pivotal in advancing technologies related to polymer stabilization.
Collaborations: Throughout his career, Friedrich has collaborated with notable professionals in the field, including Hermann O. Wirth and Wolfgang Wehner. These collaborations have facilitated the exchange of ideas and innovations that drive advancements in polymer technology.
Conclusion: Hans-Helmut Friedrich's contributions to polymer stabilization are a testament to his innovative spirit and dedication to advancing material science. With a strong portfolio of patents and a career marked by influential collaborations, he continues to impact the field significantly, enhancing the quality and longevity of halogen-containing polymers.