This inventor holds 2 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2003-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2003-2005
Title: Ayyappan Subbiah: Innovator in Catalytic Technology
Introduction
Ayyappan Subbiah is a notable inventor based in Warren, MI (US). He has made significant contributions to the field of catalytic technology, particularly in the reduction of nitrogen oxides (NOx) emissions from engines. With a total of 2 patents to his name, Subbiah's work is recognized for its innovative approach to environmental sustainability.
Latest Patents
Subbiah's latest patents focus on the development of hydrothermally stable catalysts for improved lean NOx reduction. These patents detail the preparation of certain metal-exchanged SUZ-4 zeolites that exhibit catalytic activity for the reduction of NOx in the exhaust of hydrocarbon or alcohol-fueled engines operating under fuel-lean conditions. The initial SUZ-4 zeolite contains alkali metal cations such as lithium (Li), sodium (Na), potassium (K), and/or cesium (Cs). These zeolites are then partially exchanged with at least one of the following ions: copper (II), silver (I), iron (III), or cobalt (II). The resulting partially exchanged SUZ-4 zeolites demonstrate significant catalytic activity and stability under extreme hydrothermal aging conditions.
Career Highlights
Ayyappan Subbiah is currently employed at GM Global Technology Operations, Inc. His work at this leading automotive technology company has allowed him to focus on innovative solutions for reducing harmful emissions from vehicles. His expertise in catalytic technology has positioned him as a key player in the development of environmentally friendly automotive technologies.
Collaborations
Throughout his career, Subbiah has collaborated with esteemed colleagues such as Richard J. Blint and Byong Kwon Cho. These collaborations have further enhanced his research and development efforts in the field of catalytic technology.
Conclusion
Ayyappan Subbiah's contributions to catalytic technology and his innovative patents play a crucial role in advancing environmental sustainability in the automotive industry. His work continues to inspire future innovations in reducing emissions and improving air quality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile