Location History:
- Sittingbourne, GB (1991)
- Liverpool, GB (1992)
Company Filing History:
1 out of 154 
1 out of 101 
Years Active: 1991-1992
Title: John E Spencer: Innovator in Herbicidal Compounds
Introduction
John E Spencer is a notable inventor based in Sittingbourne, GB. He has made significant contributions to the field of herbicidal compounds, holding a total of 2 patents. His work has had a considerable impact on agricultural chemistry and pest management.
Latest Patents
Among his latest patents are innovative herbicidal compounds. The first patent involves compounds of formula I, wherein A is nitrogen or a group CR⁵. The second patent focuses on triazolopyrimidine herbicides, which include compounds of the formula where X, Y, and Z can be various substituents, including hydrogen, halogen, and alkyl groups. These inventions demonstrate his expertise in developing effective solutions for weed control.
Career Highlights
Throughout his career, John E Spencer has worked with prominent organizations, including Shell International Research and Shell Research Limited. His experience in these companies has allowed him to refine his skills and contribute to groundbreaking research in herbicides.
Collaborations
John has collaborated with notable colleagues such as David P Astles and Andrew Flood. These partnerships have likely enriched his research and development efforts, leading to innovative solutions in his field.
Conclusion
John E Spencer is a distinguished inventor whose work in herbicidal compounds has made a lasting impact on agricultural practices. His patents reflect a commitment to innovation and excellence in the field.