Nagaraj Ramanuj Ayyangar

This inventor holds 7 USPTO granted patents. Top assignees: Council of Scientific and Industrial Research, Other. Active years: 1988-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nagaraj Ramanuj Ayyangar. Retrieved from https://idiyas.com/inventor/nagaraj-ramanuj-ayyangar

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 3

Forward Citations = 14(Granted Patents)

Company Filing History:

6 out of 2,130

Council of Scientific and Industrial Research

patents

1 out of 834,570

Other

patents

Years Active: 1988-1999

Loading Chart...

7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5900493 - Triterpene derivatives of azadirachtin having insect antifeedant and (1999-05-04),

2. 5756773 - Triterpene derivatives of azadirachtin having insect antifeedant and (1998-05-26),

3. 5663374 - Triterpene derivatives of azadirachtin having insect antifeedant and (1997-09-02),

4. 5602261 - Triterpene derivatives of azadirachtin having insect antifeedant and (1997-02-11),

5. 5395951 - Triterpene derivatives of azadirachtin having insect antifeedant and (1995-03-07),

6. 4906343 - Process for the photochemical production of .alpha.-aryl propionic acid (1990-03-06),

7. 4764615 - Process for the preparation of codeine from morphine (1988-08-16),

Title: Innovations of Nagaraj Ramanuj Ayyangar

Introduction

Nagaraj Ramanuj Ayyangar is a notable inventor based in Maharashtra, India. He has made significant contributions to the field of agricultural science, particularly through his innovative work with neem plant derivatives. With a total of 7 patents to his name, Ayyangar's inventions focus on enhancing pest control methods.

Latest Patents

One of Ayyangar's latest patents involves the development of novel triterpene derivatives of azadirachtin. This invention outlines a process for isolating these new derivatives from various parts of the neem plant (Azadirachta indica A-Juss). The process includes grinding the neem plant parts to create a powder, extracting it with a binary immiscible solvent, and filtering the extract to separate the layers containing lipids and the new triterpene derivatives. These derivatives are particularly useful in suppressing insect pest populations below economic threshold levels due to their antifeedant and growth inhibitory activities.

Career Highlights

Ayyangar has worked with the Council of Scientific & Industrial Research, where he has contributed to various research projects. His work has been instrumental in advancing the understanding of natural pest control methods.

Collaborations

Some of his notable coworkers include Bhimsen Annacharya Nagasampagi and Supada Rambhau Rojatkar. Their collaborative efforts have furthered the research and development of innovative agricultural solutions.

Conclusion

Nagaraj Ramanuj Ayyangar's contributions to the field of agricultural science through his patents on neem plant derivatives highlight the importance of innovation in pest control. His work continues to influence sustainable agricultural practices.

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]