This inventor holds 1 USPTO granted patent. Top assignee: Thor Gmbh. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Zhang Chaoqiang: Inventor of a Process for Preparing 1,2-Benzisothiazoline-3-one.
Introduction
Zhang Chaoqiang is an inventor associated with Jiangsu, China, and Thor GmbH. His patent work includes a process for preparing 1,2-benzisothiazoline-3-one.
Latest Patents
The provided information lists 1 patent for Zhang Chaoqiang: “Process for Preparing 1,2-Benzisothiazoline-3-one.” The invention describes reacting a 2-halogenbenzonitrile compound with alkaline sulphide and/or alkaline hydrogen sulphide and an alkyl halide to produce an intermediate. The intermediate is then reacted with a halogenating agent or an oxidant, followed by treatment with an acid to form 1,2-benzisothiazoline-3-one and a halide compound.
Career Highlights
Zhang Chaoqiang’s listed patent reflects work on a chemical preparation process. The supplied information identifies Thor GmbH as his company.
Collaborations
Holger Bittermann is identified as Zhang Chaoqiang’s coworker. The available details do not specify their particular collaboration on the patent.
Conclusion
Zhang Chaoqiang’s listed invention concerns a process for preparing 1,2-benzisothiazoline-3-one, connecting his patent activity with his work at Thor GmbH.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile