logo

For the Inventor, By the Inventor

Ann Arbor, MI, United States of America

James C French

This inventor holds 19 USPTO granted patents. Top assignees: Warner-Lambert Company, Parke-Davis Company. Active years: 1977-1995.

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 73(Granted Patents)


Company Filing History:

goldMedal18 out of 2,538 
 
Warner-Lambert Company
 patents
silverMedal1 out of 65 
 
Parke-Davis Company
 patents

Years Active: 1977-1995

Loading Chart...
19 patents (USPTO):Explore Patents
1. 5463035 - Process for purifying pentostatin (1995-10-31),
2. 4918100 - CL-1957B antibiotic compound and its production (1990-04-17),
3. 4771070 - CL-1957A antibiotic compound (1988-09-13),
4. 4725621 - CL-1957E antibiotic compound and its production (1988-02-16),
5. 4713372 - 2-chloropentostatin compound having adenosine diaminase inhibitory (1987-12-15),
6. 4696794 - CL-1957D antibiotic compound and its production (1987-09-29),
7. 4680416 - Antibiotic CL-1565 complex derivatives (1987-07-14),
8. 4661353 - CL-1577-B.sub.4 compound, its production and use (1987-04-28),
9. 4657909 - Antimicrobial and antitumor phenazine carboxaldehydes and derivatives (1987-04-14),
10. 4594248 - CL-1577-B.sub.4 compound, its production and use (1986-06-10),
11. 4578383 - CL 1565 antibiotic compounds (1986-03-25),
12. 4554162 - CL-1724 Antibiotic compounds, their production and use (1985-11-19),
13. 4551529 - Guanine-N.sup.7 -oxide (1985-11-05),
14. 4539203 - CL-1577D And CL-1577E antibiotic/antitumor compounds, their production (1985-09-03),
15. 4530835 - CL-1577 Antibiotic compounds and their production (1985-07-23),

Title: Innovations and Contributions of James C. French in Pharmaceutical Chemistry

Introduction

James C. French, based in Ann Arbor, MI, is a notable inventor recognized for his extensive contributions to pharmaceutical chemistry. With a remarkable portfolio of 19 patents, his work focuses on the purification of complex compounds and the development of new antimicrobial agents.

Latest Patents

Among his latest patents is the "Process for Purifying Pentostatin," which details an innovative method for isolating pentostatin from crude fermentation beer. The purification process involves multiple steps, including the use of strong cation exchange resins, ammonium hydroxide, and specific anion exchange resins, ultimately yielding a product greater than 99.7% pure. Another significant patent concerns the "CL-1957B Antibiotic Compound and its Production." This patent outlines the cultivation of actinomycete isolate ATCC 39366, which generates the antimicrobial and antitumor compound CL-1957B. The method includes isolating the compound from a culture medium rich in carbon and nitrogen sources, presenting potential applications in treating microbial infections and tumors in mammals.

Career Highlights

Throughout his career, James C. French has worked with esteemed organizations such as Warner-Lambert Company and Parke, Davis & Company. His experience in these companies has contributed to his profound understanding of pharmaceutical processes and innovations.

Collaborations

James C. French has collaborated with prominent individuals in the field, including Gerard C. Hokanson and Richard H. Bunge. These collaborations have likely facilitated the exchange of ideas and advancements in their respective research areas.

Conclusion

James C. French's contributions to pharmaceutical chemistry through his numerous patents demonstrate his commitment to innovation and the development of effective treatments. His work continues to impact the field, paving the way for future advancements in antimicrobial and anticancer therapies.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…