Johannes Schäfter

Title: Innovations of Johannes Schäfter in Phenolic Antioxidants

Introduction

Johannes Schäfter is a notable inventor based in Lörrach, Germany. He has made significant contributions to the field of chemistry, particularly in the development of processes for preparing solid particles of phenolic antioxidants. With a total of 2 patents, his work has implications for various industries, including plastics and food preservation.

Latest Patents

Schäfter's latest patents focus on innovative processes for preparing solid particles of phenolic antioxidants. One of his inventions details a method for creating solid particles comprising a phenolic antioxidant in essentially crystalline form. This process involves preparing solid particles from a melt of the phenolic antioxidants, which are then added to a dispersion of the compound in a mixture of an organic water-miscible solvent and water. The resulting crystals are subsequently separated from the dispersion. Another patent emphasizes the preparation of solid particles of phenolic antioxidants from the IRGANOX series, particularly IRGANOX 1010 and 1098. This invention also covers the further processing of these crystal particles and the creation of novel crystal modifications.

Career Highlights

Throughout his career, Johannes Schäfter has worked with prominent companies such as Ciba Specialty Chemicals Corporation and BASF SE. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovations.

Collaborations

Some of his notable coworkers include Daniel Rehm and Paul Van Der Schaaf. Their collaborative efforts have contributed to advancements in the field of phenolic antioxidants.

Conclusion

Johannes Schäfter's contributions to the development of processes for phenolic antioxidants highlight his innovative spirit and dedication to advancing chemical technology. His patents reflect a commitment to improving the quality and application of these important compounds.