Company Filing History:

17 out of 574

Stamicarbon B.v.

Years Active: 1976-1999

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24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5916762 - Process for the recovery of ampicillin (1999-06-29),

2. 5874571 - Process for the recovery of cephalexin (1999-02-23),

3. 5859241 - Process for the preparation of a benzothiazepine (1999-01-12),

4. 5468901 - Process for the preparation of optically active methionine amide (1995-11-21),

5. 5336805 - Process for preparing an .alpha.-amino acid, the corresponding ester and (1994-08-09),

6. 5306826 - Process for preparation of an optically active amino acid amide (1994-04-26),

7. 5276190 - Method for the preparation of an alcohol (1994-01-04),

8. 5101036 - Process for the preparation of N-hydroxy-alpha-amino acid amides (1992-03-31),

9. 5087753 - Process for recovering .alpha.-aminoalcohols (1992-02-11),

10. 5072041 - Optically active N-hydroxy-alpha-amino acids, amides and their (1991-12-10),

11. 5047585 - Process for racemizing an optically active N-benzylidene amino-acid amide (1991-09-10),

12. 4880737 - Process for the preparation of L-alpha-amino acid and d-alpha-amino acid (1989-11-14),

13. 4847412 - Process for racemizing an optically active N-benzylidene amino-acid amide (1989-07-11),

14. 4831181 - Process for the preparation of aspartylphenylalanine methyl ester from (1989-05-16),

15. 4812403 - Optically active substituted butyramide, and process for the optical (1989-03-14),

Title: **Wilhelmus H Boesten: Innovator in Pharmaceutical Recovery Processes**

Introduction

Wilhelmus H Boesten is a notable inventor based in Sittard, Netherlands, known for his significant contributions to the field of pharmaceuticals. With 24 patents to his name, he has focused on developing processes that enhance the recovery of crucial antibiotics. His work has been instrumental in improving pharmaceutical manufacturing efficiency.

Latest Patents

Boesten's latest patents include innovative processes for the recovery of ampicillin and cephalexin from complex mixtures. The first patent describes a method for extracting ampicillin from a mixture containing both ampicillin and 6-aminopenicillanic acid (6-APA). This process involves lowering the pH of the mixture to below 8.2, which enables the efficient recovery of solid ampicillin. His second patent outlines a similar method for cephalexin, using a pH modification technique to recover pure cephalexin from a mixture with 7-aminodesacetoxy cephalosporanic acid (7-ADCA). Both processes are particularly suited for application following enzymatic acylation reactions, making them valuable in pharmaceutical manufacturing.

Career Highlights

Throughout his career, Wilhelmus H Boesten has been associated with prominent companies in the chemical and pharmaceutical industries. Notably, he has worked for Stamicarbon B.V. and DSM N.V., where he contributed his expertise in biotech innovations and processes. His patents reflect a robust understanding of both chemistry and engineering principles, applying them to real-world applications in drug recovery.

Collaborations

In his journey of innovation, Boesten has collaborated with distinguished professionals, including Bernardus H Dassen and Hans E Schoemaker. These collaborations have likely enriched his research and development efforts, resulting in the successful patents that demonstrate transformative processes in pharmaceutical recovery.

Conclusion

Wilhelmus H Boesten stands out as an influential inventor with a commitment to advancing pharmaceutical processes. His innovative approaches to recovering key antibiotics not only streamline production but also contribute to more sustainable practices in the industry. With a track record of collaborative work and a strong foundation in research, Boesten's contributions will continue to impact the field for years to come.

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