Location History:
- Muttenz, CH (1977)
- Bockten, CH (1981 - 1983)
Company Filing History:
Years Active: 1977-1983
Title: Alfred Grieder: Innovator in Chemical Processes
Introduction
Alfred Grieder is a notable inventor based in Bockten, Switzerland. He has made significant contributions to the field of chemistry, particularly in the production of various chemical compounds. With a total of eight patents to his name, Grieder's work has had a considerable impact on the industry.
Latest Patents
Grieder's latest patents include a process for producing 2-chloropyridines and a process for producing 2,3,5-trichloropyridine. The first patent details the production of 2-chloropyridines, where R can independently be C1-C4-alkyl, C1-C4-halogenalkyl, halogen, or carboxyl. The second patent describes the production of 2,3,5-trichloropyridine by reacting 3,5-dichloro-2-pyridone with phosgene in the presence of an N,N-disubstituted formamide. This compound serves as a valuable intermediate for producing herbicidally active compounds.
Career Highlights
Alfred Grieder is associated with Ciba-Geigy Corporation, a prominent player in the chemical industry. His work has been instrumental in advancing chemical processes and developing new products that benefit various sectors.
Collaborations
Grieder has collaborated with notable colleagues such as Hansjakob Fah and Klaus-Jurgen Coers. These partnerships have contributed to the success of his projects and the advancement of chemical research.
Conclusion
Alfred Grieder's innovative work in chemical processes has led to significant advancements in the field. His contributions through patents and collaborations highlight his role as a key figure in the industry.