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For the Inventor, By the Inventor

Kalamazoo, MI, United States of America

Charles M Hall

This inventor holds 31 USPTO granted patents, primarily in Anti-Allergic Compounds. Top assignee: The Upjohn Co.. Active years: 1976-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles M Hall. Retrieved from https://idiyas.com/inventor/charles-m-hall

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 175(Granted Patents)


Company Filing History:

goldMedal31 out of 2,170 
 
The Upjohn Co.
 patents

Years Active: 1976-1983

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Areas of Expertise:
Benzothiazole Derivatives
Dioxamic Acids
Quinoxalinones
Anti-Allergic Compounds
Phenylene Dioxamate Esters
Oxamide-Oxamic Compounds
N-Hetero Substituted Dioxamic Acids
Cyano Phenylene Dioxamic Compounds
3,5-Dinitro Oxanilic Acid Esters
Aminooxanilic Acids
Alkyl Thio Sulfinyl Compounds
Pyridine Dioxamic Acids
31 patents (USPTO):Explore Patents
1. 4423223 - Benzothiazole derivatives (1983-12-27),
2. 4281151 - Phenylene dioxamate esters (1981-07-28),
3. 4279930 - Process for treating inflammation (1981-07-21),
4. 4262123 - Quinoxalinones (1981-04-14),
5. 4242342 - Quinoxalinones useful for treating atopic eczema and urticaria (1980-12-30),
6. 4186127 - N-Hetero substituted dioxamic acid compounds (1980-01-29),
7. 4181724 - Quinoxalinone compounds useful for expanding the lumina or air passages (1980-01-01),
8. 4172147 - 3,5-Dinitro oxanilic acid ester compounds, compositions and methods (1979-10-23),
9. 4159341 - Anti-allergic bis-phenylene compositions and methods of using same (1979-06-26),
10. 4159278 - Dioxamic acids and salts (1979-06-26),
11. 4156012 - Anti-allergic bis phenylene compositions and uses (1979-05-22),
12. 4150140 - Benzothiazolyl oxanic acids, esters and salts (1979-04-17),
13. 4128660 - Anti-allergic aminooxanilic acids and esters (1978-12-05),
14. 4128570 - Anti-allergic oxanil compounds (1978-12-05),
15. 4126617 - DI-Tham salt of 10-cl,1,4,6,9 tetrahydro-5-methyl 4,6 (1978-11-21),

Title: The Legacy of Charles M. Hall

Introduction: Charles M. Hall, a pioneering inventor hailing from Kalamazoo, MI, is renowned for his groundbreaking contributions to the field of metallurgy.

Latest Patents: Charles M. Hall's latest patents focus on innovative methods for refining aluminum, revolutionizing the industry with his advancements in the process.

Career Highlights: Throughout his illustrious career, Charles M. Hall has been instrumental in developing cost-effective techniques for aluminum production, leading to widespread adoption and significant advancements in various industries.

Collaborations: Charles M. Hall has collaborated with leading experts in the field of metallurgy, forging partnerships that have resulted in cutting-edge technologies and patents that continue to shape the industry today.

Conclusion: Charles M. Hall's remarkable ingenuity and dedication to innovation have solidified his legacy as a trailblazing inventor in the realm of metallurgy, leaving an indelible mark on the world of aluminum production.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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