This inventor holds 1 USPTO granted patent. Top assignee: Glaxo Laboratories Limited. Active years: 1976.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976
Title: William Graham and a Cephalosporin Preparation Patent.
Introduction
William Graham is an inventor associated with Gerrards Cross, Great Britain, and Glaxo Laboratories Limited. His recorded patent concerns a process for preparing cephalexin from 7-ADCA.
Latest Patents
The available information lists one patent for Graham: “Process for Preparing Cephalosporin Compounds from 7-ADCA.” The process describes silylating 7-β-amino-3-methylceph-3-em-4-carboxylic acid before acylation with phenylglycyl chloride hydrochloride. It specifies conducting the acylation in dimethylformamide at low temperature, in the presence of certain weak tertiary nitrogen bases, to produce cephalexin in high yield with relatively little unreacted starting material.
Career Highlights
Graham’s listed patent reflects work on improving the preparation of cephalexin, a cephalosporin compound. The patent identifies Glaxo Laboratories Limited as the company associated with his work.
Collaborations
Brian Burton is identified as Graham’s coworker. The available information does not specify their roles or describe particular joint projects.
Conclusion
William Graham’s recorded contribution is a patented process for preparing cephalexin, with an emphasis on yield and reducing unreacted starting material. His profile lists 1 patent and an association with Glaxo Laboratories Limited.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile