logo

For the Inventor, By the Inventor

Amsterdam, Netherlands

Johannes A Van Doorn

This inventor holds 26 USPTO granted patents, primarily in Polymer Chemistry. Top assignee: Shell Oil Comapny. Active years: 1986-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johannes A Van Doorn. Retrieved from https://idiyas.com/inventor/johannes-a-van-doorn

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

USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 86(Granted Patents)


Location History:

  • Cm Amsterdam, NL (1988 - 1989)
  • Amsterdmn, NL (1989)
  • Amsterdam, NL (1986 - 2001)

Company Filing History:

goldMedal26 out of 7,646 
 
Shell Oil Comapny
 patents

Years Active: 1986-2001

Loading Chart...
Areas of Expertise:
Polymerization
Copolymerization
Catalyst Compositions
Epoxy Compounds
Bidentate Ligand
Regio-Regular Copolymer
Carbon Monoxide
Olefin
Phosphides
Spiro Ketal Units
Aromatic Compounds
26 patents (USPTO):Explore Patents
1. 6265531 - Diglycidylester of alkylated hexahydrophthalic anhydride (2001-07-24),
2. 6005063 - Epoxy compounds from chlorohydrin ethers of polyphenols (1999-12-21),
3. 5350725 - Polymerization process (1994-09-27),
4. 5268429 - Polymer process (1993-12-07),
5. 5247065 - Polymerization of CO/olefin with bidentate ligand having (1993-09-21),
6. 5218086 - Polymerization of CO/olefin with 9-phospha bicyclo nonyl bidentate (1993-06-08),
7. 5177044 - Catalyst compositions (1993-01-05),
8. 5169928 - Preparation of regio-regular copolymer of CO/olefin of at least three (1992-12-08),
9. 5118854 - Preparation of ortho substituted diphenylphosphides (1992-06-02),
10. 5066778 - Carbon monoxide/cyclopenten copolymer and preparation with aromatic (1991-11-19),
11. 5041530 - Linear copolymer of co/olefin having spiro ketal units (1991-08-20),
12. 5030712 - Polymerization of CO/olefin with aryl phosphine sulfide (1991-07-09),
13. 4994592 - Polymerization process (1991-02-19),
14. 4965341 - Polymerization of co/olefin with catalyst comprising sulfur bidentate (1990-10-23),
15. 4960747 - Catalyst composition containing diphosphines having heterocyclic (1990-10-02),

Title: Johannes A. Van Doorn: Innovator in Epoxy Chemistry

Introduction

Johannes A. Van Doorn is a notable inventor based in Amsterdam, NL, with an impressive portfolio of 25 patents to his name. His contributions to the field of chemistry, particularly in the development of epoxy compounds, have positioned him as a significant figure in the innovation landscape.

Latest Patents

Van Doorn's recent patents reflect his expertise in epoxy chemistry. One of his notable inventions is the "Diglycidylester of alkylated hexahydrophthalic anhydride," which showcases advancements in glycidylester technology. Another significant patent involves the "Epoxy compounds from chlorohydrin ethers of polyphenols." This process outlines the preparation of compounds by heating specific chemical formulas in the presence of hydrogen halide addition salts of tertiary amines, demonstrating his innovative approach to chemical synthesis.

Career Highlights

Currently, Van Doorn works with Shell Oil Company, where he continues to push the boundaries of research and development in the field of epoxy materials. His work has been instrumental in enhancing the properties and applications of these compounds within various industries.

Collaborations

Collaborating with other experts in his field, Van Doorn has worked alongside notable colleagues such as Richard L. Wife and Eit Drent. These collaborations have allowed for the exchange of ideas and expertise, further driving innovation in their shared research interests.

Conclusion

In summary, Johannes A. Van Doorn stands out as a key inventor in the realm of epoxy chemistry. With his extensive patent portfolio and contributions to Shell Oil Company, he continues to impact the development of new materials and processes that hold promise for various applications. His work exemplifies the spirit of innovation that drives progress in scientific research and industrial applications.

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]
Loading…