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For the Inventor, By the Inventor

Berlin, Germany

Helmut Dahl

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 83(Granted Patents)


Company Filing History:

goldMedal14 out of 1,384 
 
Schering Aktiengesellschaft
 patents
silverMedal1 out of 4 
 
Schering Aktiengellschaft
 patents

Years Active: 1977-2003

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15 patents (USPTO):Explore Patents
1. 6512139 - Oxidation inhibitors in prostane derivatives (2003-01-28),
2. 5403724 - Microbiological reduction of prostacyclin intermediate products with a (1995-04-04),
3. 5248609 - Racemic separation of (1993-09-28),
4. 5200530 - Keto reduction of carbacyclin intermediates (1993-04-06),
5. 5102793 - Stereospecific keto reduction of bicyclooctandione-carboxylic acid (1992-04-07),
6. 5010065 - Cyclodextrin clathrates of 5-cyanoprostacyclin derivatives and their use (1991-04-23),
7. 4925956 - Novel process for manufacturing optically active carbacyclin (1990-05-15),
8. 4894391 - Novel prostacyclin derivatives, process for the preparation thereof, and (1990-01-16),
9. 4894336 - Racemic dissociation of 3-acyloxy bicyclo(3.3.0)octan-7-one-2-carboxylic (1990-01-16),
10. 4886788 - Cyclodextrin clathrates of carbacyclin derivatives and their use as (1989-12-12),
11. 4247635 - Microbiological reduction of 15-ketoprostaglandin intermediates (1981-01-27),
12. 4224320 - Novel steroids of the pregnane series, substituted in the 17-position, (1980-09-23),
13. 4207316 - Novel 17-substituted 11 .beta.-hydroxy steroids of the pregnane series, (1980-06-10),
14. 4179336 - Microbiological degradation of sterol side chains to a 17-keto group (1979-12-18),
15. 4052447 - Process for the preparation of bicycloalkane derivatives (1977-10-04),

Title: Helmut Dahl: Innovator in Prostane Derivatives

Introduction

Helmut Dahl is a prominent inventor based in Berlin, Germany, known for his significant contributions to the field of prostane derivatives. With a total of 15 patents to his name, Dahl has shown a remarkable commitment to innovation in industrial manufacturing processes.

Latest Patents

Two of Dahl's latest patents include:

1. **Oxidation Inhibitors in Prostane Derivatives** - This invention focuses on the use of an oxidation inhibitor, specifically active carbon, to purify ambient air in industrial settings. It effectively removes ozone from process air before it interacts with prostane derivatives, resulting in a reduced concentration of harmful decomposition products.

2. **Microbiological Reduction of Prostacyclin Intermediate Products** - This process is designed for the production of 15-alpha-hydroxyprostaglandin intermediates, defined by a specific chemical formula. This innovation highlights Dahl's expertise in enhancing biotechnological processes.

Career Highlights

Throughout his career, Helmut Dahl has been associated with Schering Aktiengesellschaft, a leading pharmaceutical company. His work in this institution has been instrumental in advancing research and development related to prostane derivatives, further establishing him as a key player in his field.

Collaborations

Dahl has had the privilege of collaborating with notable professionals such as Werner Skuballa and Karl Petzoldt. These partnerships have fostered a productive exchange of ideas and innovation, contributing to the success of his projects and patents.

Conclusion

Helmut Dahl's dedication to innovation is evident through his numerous patents and collaborative endeavors. His work continues to influence the production and application of prostane derivatives in industrial settings, marking him as a significant figure in the field of chemical research and development.

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