Location History:
- Bowden, GB (1996 - 1997)
- Altrincham, GB (1995 - 2010)
- Macclesfield, GB (2000 - 2014)
Company Filing History:
6 out of 854 
2 out of 1,500 
2 out of 106 
Years Active: 1995-2014
Title: John Crosby: Innovator in Chemical Processes
Introduction
John Crosby is a notable inventor based in Macclesfield, GB. He has made significant contributions to the field of chemical processes, holding a total of 10 patents. His work has advanced the manufacturing techniques for various chemical compounds, particularly in the pharmaceutical industry.
Latest Patents
Crosby's latest patents include a process for the manufacture of 4-fluoro-2-methyl-1H-indol-5-ol. This invention relates to a chemical process for producing a compound of Formula II. Additionally, he has developed a chemical process for the manufacture of certain quinazoline derivatives and their pharmaceutically acceptable salts. This invention also encompasses processes for creating intermediates useful in the manufacture of these quinazoline derivatives.
Career Highlights
Throughout his career, John Crosby has worked with prominent companies such as Zeneca Limited and AstraZeneca AB. His expertise in chemical processes has been instrumental in the development of innovative solutions within these organizations.
Collaborations
Crosby has collaborated with notable coworkers, including Andrew John Blacker and John A Herbert. Their combined efforts have contributed to advancements in the field of chemical manufacturing.
Conclusion
John Crosby's contributions to chemical processes and his numerous patents highlight his role as an influential inventor in the pharmaceutical industry. His work continues to impact the development of innovative chemical manufacturing techniques.