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For the Inventor, By the Inventor

Beek, Netherlands

Anna M Castelijns

This inventor holds 15 USPTO granted patents, plus 1 CIPO patent. Top assignees: Dsm N.v., Stamicarbon B.v.. Active years: 1987-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Anna M Castelijns. Retrieved from https://idiyas.com/inventor/anna-m-castelijns

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 100.0


Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 98(Granted Patents)


Location History:

  • Stein (L.), NL (1987)
  • Stein, NL (1993 - 1995)
  • Beek, NL (1994 - 1999)

Company Filing History:

goldMedal12 out of 475 
 
Dsm N.v.
 patents
silverMedal3 out of 579 
 
Stamicarbon B.v.
 patents

Years Active: 1987-1999

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15 patents (USPTO):Explore Patents
1. 5977406 - Process for preparing .alpha.-amino acid amides, .alpha.-amino acids and (1999-11-02),
2. 5824804 - Method for the preparation of a N-alkoxy-(tetra-or (1998-10-20),
3. 5811588 - Process for the preparation of 3-phenylpropanal (1998-09-22),
4. 5786507 - Process for the preparation of 3-phenylpropionic acid (1998-07-28),
5. 5728892 - Method for preparing an alpha-alkycinnamaldehyde (1998-03-17),
6. 5663433 - Process for the preparation N-alkyl-N,O-diacetyl hydroxylamine (1997-09-02),
7. 5616804 - Process for the preparation of dibenzylamine (1997-04-01),
8. 5610268 - Dendritic macromolecule and the preparation thereof (1997-03-11),
9. 5530092 - Dendritic macromolecule and the preparation thereof (1996-06-25),
10. 5438143 - Process for the preparation of substituted pyridines via (1995-08-01),
11. 5334721 - 2,4-dimethyl-5-oxohexane and a method of use therefor (1994-08-02),
12. 5319125 - Method for the preparation of 2-(2-cyanoethyl)-cyclopentanones (1994-06-07),
13. 5274165 - Process for the .alpha.-chlorination of phenylacetonitriles (1993-12-28),
14. 5254712 - Process for the preparation of 5-oxohexane nitriles and the compound (1993-10-19),
15. 4649211 - Process for the preparation of 2-cyanomethylcyclohexanone (1987-03-10),

Title: The Innovations of Inventor Anna M. Castelijns

Introduction:

Anna M. Castelijns, a prolific inventor hailing from Beek, Netherlands has made significant contributions to the field of chemistry with her innovative patents. With a total of 15 patents to her name, Anna's inventive spirit has led to groundbreaking discoveries in the realm of chemical processes.

Latest Patents:

One of Anna's latest patents includes a process for preparing .alpha.-amino acid amides and the corresponding .alpha.-amino acids, involving the treatment of specific compounds with H.sub.2 in the presence of a catalyst. Another patent showcases a method for the preparation of N-alkoxy-(tetra- or hexahydro)-phthalimide, offering a streamlined process for obtaining O-(m)ethylhydroxylamine.

Career Highlights:

Anna has worked with esteemed companies such as DSM N.V. and Stamicarbon B.V., where her expertise in chemical processes has flourished. Her dedication to research and development has resulted in patents that have the potential to revolutionize the pharmaceutical and chemical industries.

Collaborations:

Throughout her career, Anna has collaborated with respected individuals in the field, including coworkers like Joannes M. Mulders and Henricus J. Arts. These collaborations have led to innovative solutions and novel approaches in chemical synthesis.

Conclusion:

In conclusion, Anna M. Castelijns stands as a trailblazer in the world of chemical inventions, with a rich portfolio of patents that showcase her ingenuity and dedication to scientific advancement. Her contributions continue to inspire and shape the landscape of innovative chemical processes.

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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