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For the Inventor, By the Inventor

Heesch, Netherlands

Willem J Van Der Burg

This inventor holds 21 USPTO granted patents, primarily in Tetracyclic Compounds. Top assignee: Akzona Incorporated. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willem J Van Der Burg. Retrieved from https://idiyas.com/inventor/willem-j-van-der-burg

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

Calculating rank
USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 5

Forward Citations = 117(Granted Patents)


Company Filing History:

goldMedal21 out of 511 
 
Akzona Incorporated
 patents

Years Active: 1976-1982

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Areas of Expertise:
Tetracyclic Compounds
Pharmaceutical Compositions
Antianxiety
Tension Reducing
Amino-Substituted
Hexahydro
Dibenzo
Imidazolidine Derivatives
Biologically Active
Piperidino Derivatives
Pharmaceutical
Amines
21 patents (USPTO):Explore Patents
1. 4333935 - Antianxiety compositions of 10-hydroxy (1982-06-08),
2. 4284559 - 10-Hydroxy-1,2,3,4,10,14b-hexahydrodibenzo-[c,f] pyrazino-1,2a-azepines (1981-08-18),
3. 4271179 - 1,2,3,3a,8,12b-Hexahydro-dibenzo[1,2;5,6]cyclohepta[3,4-C]pyrroles and (1981-06-02),
4. 4271178 - 1,2,3,3a,8,12b-Hexahydro-dibenzo[b,f]pyrrolo[3,4-d]azepines and (1981-06-02),
5. 4271177 - 2,3,3a,12b-Tetrahydro-1H-dibenzo[2,3;6,7]thiepino[4,5-c]pyrroles and (1981-06-02),
6. 4224321 - Biologically active tetracyclic compounds and pharmaceutical (1980-09-23),
7. 4177275 - Tension reducing (1979-12-04),
8. 4158059 - Tension reducing 2,3,4,4a,9,136-hexahydro-dibenz[1,2;5,6]cyclohepta[3,4-c]p (1979-06-12),
9. 4158058 - Tension reducing (1979-06-12),
10. 4154836 - Tension reducing (1979-05-15),
11. 4145434 - Tetracyclic derivatives and pharmaceutical compositions of matter (1979-03-20),
12. 4125718 - Amino-substituted tetracyclic compounds (1978-11-14),
13. 4062848 - Tetracyclic compounds (1977-12-13),
14. 4062840 - Amino-substituted 1,2,3,4-tetrahydro-9H-tribenzo[b,d,f]azepines (1977-12-13),
15. 4054572 - Hexahydro pyridine [1,2d] dibenza [b,f] (1,4)-diazepines (1977-10-18),

Title: The Innovative Contributions of Willem J. van der Burg

Introduction: Willem J. van der Burg, based in Heesch, Netherlands, is a prominent inventor known for his significant contributions to the field of pharmacology. With an impressive portfolio of 21 patents, his work has been instrumental in developing new and pharmacologically useful compounds, particularly in the area of antianxiety medications.

Latest Patents: Among his latest innovations are two notable patents related to antianxiety compositions. The first patent discloses new tetracyclic compounds of the formula (I) featuring 10-hydroxy variants along with pharmaceutically acceptable non-toxic salts. In this formula, variable R can represent hydrogen, alkyl groups ranging from one to six carbons, aralkyl groups of seven to ten carbons, or acyl groups of one to six carbons. The second patent similarly introduces 10-Hydroxy-1,2,3,4,10,14b-hexahydrodibenzo-[c,f] pyrazino-1,2a-azepines, also with the same structural formula and specifications for variable R. These compounds represent a significant advancement in therapeutic options for individuals dealing with anxiety disorders.

Career Highlights: Willem J. van der Burg has dedicated his career to innovative research and development, working at AkzoNobel, a recognized leader in the field of specialty chemicals. Through his efforts, he has not only secured multiple patents but also contributed to advancements in medical chemistry and pharmacology.

Collaborations: Throughout his career, Willem has had significant collaboration with Robert Raymond Salsmans, enhancing innovation through shared knowledge and expertise. Their joint efforts have undoubtedly propelled their research initiatives and led to the successful development of groundbreaking compounds.

Conclusion: Willem J. van der Burg stands out as an influential inventor in pharmacology, with his patents paving the way for new treatments in anxiety management. His ongoing work at AkzoNobel, along with his collaborative spirit, continues to inspire progress in the field of medicinal chemistry.

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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