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For the Inventor, By the Inventor

Delft, Netherlands

Arthur F Marx

This inventor holds 23 USPTO granted patents, plus 3 CIPO patents, primarily in Steroid Chemistry. Top assignees: Gist-Brocades N.v., Shell Internationale Research Maatschappij, B.v., Akzo N.v.. Active years: 1977-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Arthur F Marx. Retrieved from https://idiyas.com/inventor/arthur-f-marx

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

USPTO Granted Patents = 23

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.9

ph-index = 6

Forward Citations = 163(Granted Patents)


Location History:

  • GM Delft, NL (1992)
  • Ma Delft, NL (1992)
  • Delft, NL (1977 - 1996)

Company Filing History:

goldMedal18 out of 236 
 
Gist-Brocades N.v.
 patents
silverMedal6 out of 154 
 
Shell Internationale Research Maatschappij, B.v.
 patents
bronzeMedal1 out of 776 
 
Akzo N.v.
 patents
4. 1 out of 854 
 
Roussel Uclaf
 patents
5. 1 out of 3 
 
Shell International Petroleum Company, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1977-1996

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Areas of Expertise:
Steroid Preparation
9-alpha-Hydroxy Steroids
Prostaglandin Derivatives
Microbiological Processes
Optically Active Compounds
Phenoxy Propanoic Acids
A-norandrostane Derivatives
Bacterial Infection Combatting
23 patents (USPTO):Explore Patents
1. 5565588 - 9-alpha-hydroxy steroids, process for their preparation, process for the (1996-10-15),
2. 5352809 - 9-alpha-hydroxy steroids, process for their preparation, process for the (1994-10-04),
3. 5298398 - Preparation of 9-.alpha.-hydroxy-17-keto steroids using Mycobacterium (1994-03-29),
4. 5194602 - 9.alpha.-hydroxy-17-methylene steroids, process for their preparation (1993-03-16),
5. 5190867 - Process for the preparation of R-2,2-R.sub.1,R.sub.2 (1993-03-02),
6. 5166055 - Microbiological preparation of 9-alpha-hydroxy-17-keto steroids (1992-11-24),
7. 5110943 - Certain phenoxy (or 5-trifluoromethyl-pyridyl-oxy)-phenoxy-2-yl-propane (1992-05-05),
8. 5108917 - Process for the preparation of ibuprofen (1992-04-28),
9. 5093502 - 14.alpha.,17.alpha.-dihydroxy-17.beta.-substituted steroids (1992-03-03),
10. 5075233 - Process for the preparation of 2-aryloxypropionic acids (1991-12-24),
11. 5043274 - Process for producing an optically active 2-arylpropionic acid (1991-08-27),
12. 5037759 - Process for the preparation of substituted phenoxy propanoic acids (1991-08-06),
13. 5037751 - Microbial purified esterases (1991-08-06),
14. 4956284 - Process for producing 4-(2-methoxyethyl)-phenyl-glycidyl ether and/or (1990-09-11),
15. 4917827 - Process for the preparation of 9(11)-dehydro steroids (1990-04-17),

Title: The Innovations and Contributions of Arthur F. Marx

Introduction: Arthur F. Marx, a notable inventor based in Delft, NL, is recognized for his significant contributions to the field of chemistry through his innovative research and development. With a total of 23 patents to his name, Marx has made impactful strides, particularly in the area of steroid synthesis.

Latest Patents: Among his most recent patents is the development of 9-alpha-hydroxy steroids, a process for their preparation which involves introducing substituents on the D-ring of 9-alpha-hydroxy-androst-4-ene-3,17-dione. The compounds generated through this process serve as important intermediates in the synthesis of corticosteroids, showcasing the practical applications of his work in medical and pharmaceutical fields.

Career Highlights: Throughout his career, Arthur F. Marx has worked with esteemed companies, such as Gist-Brocades N.V. and Shell Internationale Research Maatschappij B.V. His experience in these organizations has undoubtedly enriched his expertise and facilitated his ventures into innovative research.

Collaborations: Marx's work is also marked by fruitful collaborations with notable colleagues, including Gareth T. Phillips and Mauro A. Bertola. These partnerships have likely contributed to the success and breadth of his inventive processes in developing new compounds.

Conclusion: Arthur F. Marx stands out as a significant figure in the realm of innovation, particularly in the development of valuable chemical processes and compounds. His contributions continue to influence the synthesis of corticosteroids, indicating the lasting impact of his inventive spirit on the scientific community.

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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