This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignees: The Boots Company Plc, Other. Active years: 1992-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Cambridge, CB1 3PU, GB (1992)
- Cambridgeshire, GB (1995)
Company Filing History:
2 out of 172 
1 out of 834,513 Years Active: 1992-1995
Title: The Innovations of David J Buttle
Introduction
David J Buttle is a notable inventor based in Cambridgeshire, GB. He has made significant contributions to the field of pharmaceuticals, particularly through his innovative patents. With a total of three patents to his name, Buttle's work has had a meaningful impact on medical science.
Latest Patents
One of his latest patents is a pharmaceutical composition of purified chymopapain. This composition comprises purified chymopapain and a reducing agent, demonstrating a specific activity against 1 mM of N-.alpha.-benzoyl-DL-arginine p-nitroanilide at 40 degrees Celsius and pH 6.8, with an activity range between 3,000 and 4,500 units per mg. Additionally, it contains less than 0.2% each of papaya proteinase III, papain, and papaya proteinase IV. Another significant patent involves chymopapain and a method of purifying it on an inhibitory dipeptide.
Career Highlights
Throughout his career, David J Buttle has worked with various organizations, including The Boots Company Plc. His experience in the pharmaceutical industry has allowed him to develop innovative solutions that address specific medical needs.
Collaborations
Buttle has collaborated with notable individuals such as Alan J Barrett and Daniel H Rich. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
David J Buttle's contributions to the field of pharmaceuticals through his innovative patents highlight his expertise and dedication to improving medical treatments. His work continues to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile