John M Barker

Title: John M Barker: Innovator in Chemical Compounds

Introduction

John M Barker is a notable inventor based in Nottingham, GB. He has made significant contributions to the field of chemistry, particularly in the development of innovative chemical compounds. With a total of 2 patents to his name, Barker continues to push the boundaries of chemical research.

Latest Patents

Barker's latest patents include groundbreaking work on Thiapentanamide derivatives. This patent describes a compound of the general formula where X represents a chlorine or bromine atom, R¹ represents a hydrogen atom, a C(1-6) alkyl group, a benzyl group, or a phenyl group optionally substituted by a C(1-6) alkyl group. Additionally, R² represents the group CN or the group COOR³, where R³ is a C(1-6) alkyl group. The patent also outlines a process for the preparation of this compound and its use in synthesizing other related compounds. Another significant patent involves a process for preparing thiophene derivatives, specifically 3-aminothiophenes or their acid-addition salts. This process includes reacting the corresponding 3-oxotetrahydrothiophenes with an acid-addition salt of hydroxylamine in a polar inert solvent, without a base, at temperatures ranging from 0°C to 200°C.

Career Highlights

John M Barker is currently associated with Shell Internationale Research Maatschappij B.V., where he applies his expertise in chemical research and development. His work at this esteemed company has allowed him to collaborate with other talented professionals in the field.

Collaborations

One of his notable coworkers is Patrick Robinson Huddleston, with whom he has likely shared insights and expertise in their research endeavors.

Conclusion

John M Barker's contributions to the field of chemistry through his innovative patents demonstrate his commitment to advancing scientific knowledge. His work continues to inspire future research and development in chemical compounds.