Hyderabad Telangana, India

Purna Chandra Ray

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignee: Matrix Laboratories Limited. Active years: 2011-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Purna Chandra Ray. Retrieved from https://idiyas.com/inventor/purna-chandra-ray-y7ju4h7c

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

Calculating rank

% Patents Active = 100.0


Average Co-Inventor Count = 4.2

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Secunderabad, IN (2011)
  • Hyderabad, IN (2011 - 2012)

Company Filing History:


Years Active: 2011-2012

Loading Chart...
Loading Chart...
3 patents (USPTO):Explore Patents

Title: Purna Chandra Ray: Innovator in Pharmaceutical Chemistry

Introduction

Purna Chandra Ray is a notable inventor based in Hyderabad, Telangana, India. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of innovative processes for drug preparation. With a total of 3 patents to his name, Ray continues to push the boundaries of pharmaceutical research.

Latest Patents

Ray's latest patents include a process for the preparation of pure rabeprazole. This invention relates to a method for obtaining pure Rabeprazole sulfoxide using a specific solvent mixture during the extraction steps. Additionally, it outlines a process for creating amorphous Rabeprazole sodium by utilizing pure rabeprazole base in the presence of aqueous NaOH and a water-miscible solvent, followed by the addition of an anti-solvent. Another significant patent is for the preparation of olmesartan medoxomil. This process involves condensing ethyl 4-(1-hydroxy-1-methylethyl)-2-propylimidazole-5-carboxylate with 4-[2-(trityl tetrazol-5-yl)phenyl]benzyl bromide to yield a complex compound, which is then hydrolyzed and reacted to produce Olmesartan medoxomil.

Career Highlights

Purna Chandra Ray is currently associated with Matrix Laboratories Limited, where he applies his expertise in pharmaceutical development. His work has been instrumental in advancing the company's research initiatives and enhancing its product offerings.

Collaborations

Ray collaborates with several talented individuals in his field, including Madhuresh Kumar Sethi and Gorantla Seeta Ramanjaneyulu. These collaborations foster a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Purna Chandra Ray is a distinguished inventor whose work in pharmaceutical chemistry has led to valuable advancements in drug preparation processes. His contributions continue to impact the industry positively, showcasing the importance of innovation in healthcare.

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]
Loading…