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For the Inventor, By the Inventor

Berlin, Germany

Petra Rach

This inventor holds 7 USPTO granted patents. Top assignee: Schering Aktiengesellschaft. Active years: 1989-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Petra Rach. Retrieved from https://idiyas.com/inventor/petra-rach

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 65(Granted Patents)


Company Filing History:

goldMedal7 out of 1,409 
 
Schering Aktiengesellschaft
 patents

Years Active: 1989-1997

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7 patents (USPTO):Explore Patents
1. 5665716 - 24-homo vitamin D derivatives, process for their production and (1997-09-09),
2. 5532228 - Side-chain homologous vitamin D derivatives, process for their (1996-07-02),
3. 5411949 - 23-oxa-derivatives in the vitamin D series, process for their (1995-05-02),
4. 5292728 - 24-Oxa derivatives in the vitamin D series (1994-03-08),
5. 5089175 - Hydroxyalkane carboxylic acid derivatives and their production (1992-02-18),
6. 5010071 - Androstane derivatives (1991-04-23),
7. 4859659 - Dermatics utilizing 17.beta.methyl-18 nor steroids and methods for their (1989-08-22),

Title: Innovations by Petra Rach in Vitamin D Derivatives

Introduction

Petra Rach is a prominent inventor based in Berlin, Germany. She has made significant contributions to the field of vitamin D derivatives, holding a total of 7 patents. Her work focuses on the development of novel compounds that exhibit important biological activities.

Latest Patents

Among her latest patents are the "24-homo vitamin D derivatives, process for their production" and "New 24-homo vitamin D derivatives of formula I." These patents describe innovative compounds where R.sup.1 can represent various functional groups, including hydrogen atoms and hydroxy groups. Additionally, she has developed side-chain homologous vitamin D derivatives, which possess proliferation-inhibiting and cell-differentiating activity. These advancements highlight her commitment to enhancing the understanding and application of vitamin D in medical science.

Career Highlights

Petra Rach is associated with Schering Aktiengesellschaft, a company known for its research and development in pharmaceuticals. Her work has been instrumental in advancing the field of vitamin D research, contributing to both scientific knowledge and potential therapeutic applications.

Collaborations

Throughout her career, Petra has collaborated with notable colleagues such as Gerald Kirsch and Gunter Neef. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Petra Rach's contributions to the field of vitamin D derivatives are noteworthy and impactful. Her innovative patents and collaborations reflect her dedication to advancing scientific research and improving health outcomes.

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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