Claus Dreisbach

This inventor holds 18 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Bayer Aktiengesellschaft, Lanxess Deutschland Gmbh, Arlanxeo Deutschland Gmbh. Active years: 2000-2019.

USPTO Granted Patents = 18 (Patent Applications = 2)

% Patents Active = 38.9

EPO Patents = 3 (Patent Applications = 16)

Average Co-Inventor Count = 3.1

ph-index = 2

Forward Citations = 19(Granted Patents)

Location History:

Koln, DE (2000)
Köln, DE (2001 - 2005)
Leichlingen, DE (2006 - 2019)

Company Filing History:

13 out of 12,266

Bayer Aktiengesellschaft

patents

4 out of 388

Lanxess Deutschland Gmbh

patents

1 out of 86

Arlanxeo Deutschland Gmbh

patents

4. 1 out of 205

Forschungszentrum Juelich Gmbh

patents

where one patent can have more than one assignee

Years Active: 2000-2019

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10384987 - 1,3-butadiene synthesis (2019-08-20),

2. 8293899 - Process for reducing 3-heteroaryl-3-oxopropionic acid derivatives (2012-10-23),

3. 7893281 - Process for preparing arylaminopropanols (2011-02-22),

4. 7582776 - Process for preparing arylaminopropanols (2009-09-01),

5. 7553970 - Process for preparing 3-heteroaryl-3-hydroxypropanoic acid derivatives (2009-06-30),

6. 7193102 - Process for the racemate resolution of 3-aminopentanenitrile (2007-03-20),

7. 7057061 - Chiral monophosphorus compounds (2006-06-06),

8. 7022503 - Process for the stereoselective preparation of functionalized vicinal diols (2006-04-04),

9. 6844462 - Biphenydiols (2005-01-18),

10. 6583312 - Process for preparing optically active trimethyllactic acid and its esters (2003-06-24),

11. 6566298 - Diphosphines (2003-05-20),

12. 6462200 - Diphosphines (2002-10-08),

13. 6387692 - Process for the preparation of optically active amines (2002-05-14),

14. 6350893 - Method for the production of dibenzyl carbonates (2002-02-26),

15. 6288262 - Process for the preparation of 2-methoxyethoxy-benzenes and novel 2-methoxyethoxy-benzyl cyanides (2001-09-11),

Title: Innovations of Claus Dreisbach: A Pioneer in Chemical Patents

Introduction

Claus Dreisbach, an accomplished inventor based in Leichlingen, Germany, has made significant contributions to the field of chemistry. With a remarkable portfolio of 18 patents, he has been a driving force behind innovative chemical processes that have implications for various industries.

Latest Patents

Among his notable recent inventions is a process for synthesizing 1,3-butadiene. This innovative method utilizes ene-yne metathesis over a transition metal catalyst, specifically ruthenium. Another important patent focuses on reducing 3-heteroaryl-3-oxopropionic acid derivatives, wherein Dreisbach has developed a process for producing stereoisomerically enriched 3-heteroaryl-3-hydroxycarboxylic esters using ruthenium-containing catalysts. These patents reflect his expertise and commitment to advancing chemical synthesis techniques.

Career Highlights

Throughout his career, Claus Dreisbach has worked with prominent companies, including Bayer Aktiengesellschaft and Lanxess Deutschland GmbH. His affiliation with these organizations has provided him with a platform to develop and refine his innovative ideas, contributing to the company's progress in chemical advancements.

Collaborations

Dreisbach has collaborated with several talented individuals in the field, including Markus Eckert and Guido Giffels. These partnerships have fostered an environment of shared knowledge and creativity, further enhancing the impact of their combined expertise on the field of chemistry.

Conclusion

Claus Dreisbach stands out as a distinguished inventor whose work has led to groundbreaking developments in chemical processes. His extensive patent portfolio and collaborations underscore his role in driving innovation within the industry. As the field of chemistry continues to evolve, Dreisbach's contributions will undoubtedly leave a lasting legacy.