Company Filing History:

6 out of 12,157

Bayer Aktiengesellschaft

patents

Years Active: 1992-2004

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6774236 - Process for the preparation of enantiomerically pure cycloalkano-indol -and azaindol -and pyrimido [1,2A]indolcarbocyclic acids and their activated derivatives (2004-08-10),

2. 6756409 - Phenoxyphenyl alkanesulphonates (2004-06-29),

3. 5952498 - Process for the preparation of enantiomerically pure cycloalkano-indol (1999-09-14),

4. 5650514 - 3-substituted quinoline-5-carboxylic acid derivatives and processes for (1997-07-22),

5. 5190971 - Substituted dibenz-oxa-thiocinones, -12-oxides and -12,12-dioxides, a (1993-03-02),

6. 5089487 - Circulation-active dibenzo[1,5]dioxocin-5-ones (1992-02-18),

Title: Innovations of Jan-Bernd Lenfers

Introduction

Jan-Bernd Lenfers is a notable inventor based in Wuppertal, Germany. He has made significant contributions to the field of medicinal chemistry, holding a total of six patents. His work focuses on the development of processes and compounds that are essential for the creation of valuable medicaments.

Latest Patents

One of his latest patents is titled "Process for the preparation of enantiomerically pure cycloalkano-indol -and azaindol -and pyrimido [1,2A]indolcarbocyclic acids and their activated derivatives." This invention describes a method for preparing enantiomerically pure cycloalkanoindolecarboxylic acids and related compounds. The process involves the esterification of tolyl acetic acid with a chiral alcohol, followed by diastereoselective substitution and halogenation. This innovative method allows for the production of high-purity carboxylic acids that serve as intermediates for important medicinal applications.

Another significant patent by Lenfers is related to "Phenoxyphenyl alkanesulphonates." This invention introduces novel compounds and outlines processes for their preparation. These compounds are intended for use in the development of medicaments aimed at treating pain and neurodegenerative disorders.

Career Highlights

Jan-Bernd Lenfers is associated with Bayer Aktiengesellschaft, a leading global pharmaceutical and life sciences company. His work at Bayer has allowed him to contribute to groundbreaking research and development in the field of medicine.

Collaborations

Throughout his career, Lenfers has collaborated with esteemed colleagues, including Peter Fey and Paul Naab. These collaborations have further enhanced the impact of his inventions and research.

Conclusion

Jan-Bernd Lenfers is a prominent inventor whose work has significantly advanced the field of medicinal chemistry. His innovative patents and contributions to Bayer Aktiengesellschaft highlight his commitment to developing effective treatments for various medical conditions.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.