This inventor holds 89 USPTO granted patents and 21 published patent applications, plus 6 CIPO patents and 30 EPO patents, primarily in Plastic Stabilization (CPC class C08K5-5313). Top assignees: Ciba Specialty Chemicals Corporation, Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Ciba-Geigy Corporation. Active years: 1992-2026.
Inventors with similar research interests:
Location History:
- Lautertal, DE (1998)
- Rimbach/Odenwald, DE (1992 - 2003)
- Sackgasse, DE (2003)
- Rimbach, DE (1998 - 2023)
Company Filing History:
48 out of 1,524 
18 out of 4,917 
9 out of 6,858 
Years Active: 1992-2026
Areas of Expertise:
Title: Rudolf Pfaendner: A Pioneer in Flame-Retardant Innovations
Introduction
Rudolf Pfaendner, based in Rimbach, Germany, is a noted inventor with a remarkable portfolio of 83 patents. His contributions to the field of flame-retardant technologies significantly advance material science, particularly within the plastics industry.
Latest Patents
Among his most recent innovations, Pfaendner has developed a halogen-free sulphonic acid ester and/or sulphinic acid ester formulation used as flame retardants and radical generators in plastics. This groundbreaking invention focuses on enhancing plastic properties, including molecular weight increase, branching, cross-linking, and controlling molecular weight distribution. Its applications are diverse, impacting sectors such as electrical and electronics, construction, transportation—including automobiles and aircraft—medical devices, household appliances, consumer products, packaging, textiles, and furniture.
Additionally, he has patented efficient phosphorus stabilizers derived from diphenylamine and heterocyclic diphenylamine derivatives. These stabilizers protect organic materials, especially plastics, from oxidative, thermal, and actinic degradation. This invention not only highlights the importance of stabilization in material longevity but outlines methods of implementation and specific stabilizer formulations.
Career Highlights
Rudolf Pfaendner's career has seen him associated with leading companies like Ciba Specialty Chemicals Corporation and Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. His work in these organizations has propelled advances in chemical engineering and material technologies, leading to the development of safer and more efficient materials.
Collaborations
Throughout his career, Pfaendner has collaborated with esteemed colleagues, notably Kurt Hoffmann and Heinz Herbst. These partnerships have fostered a rich exchange of ideas and expertise, contributing to the success of various projects and innovative solutions in the chemical industry.
Conclusion
Rudolf Pfaendner's dedication to innovation in flame-retardant technologies and material stability has positioned him as a key figure in his field. With a robust patent portfolio and impactful collaborations, his work continues to shape the future of plastics and their applications across multiple industries.