This inventor holds 2 USPTO granted patents. Top assignee: Council of Scientific and Industrial Research. Active years: 1993-1994.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Pune, IN (1993)
- Maharashtra, IN (1994)
Company Filing History:
Years Active: 1993-1994
Title: Jagdish C Sehra: Innovator in Polycarbonate Technology
Introduction
Jagdish C Sehra is a prominent inventor based in Pune, India. He has made significant contributions to the field of polycarbonate technology, holding 2 patents that showcase his innovative approaches to material science. His work focuses on improving processes for the preparation of high-performance polycarbonates.
Latest Patents
One of his latest patents is titled "Preparation of polycarbonates with bioxyanion catalyst." This invention discloses an improved process for the preparation of aryl polycarbonates. The process involves reacting aryl carbonate and dihydric phenol in the melt phase with a catalyst belonging to the class of quaternary ammonium bioxyanions. The general formula for the catalyst includes `X`, which represents a carboxylate or a phenolate group, and `R`, which represents alkyl or aryl.
Another notable patent is for a "Solid state process for the preparation of high molecular weight." This invention presents an improved process for creating high molecular weight poly(arylcarbonate), with molecular weights ranging from 45,000 to 60,000. The process involves heating a BPA-polycarbonate oligomer in the presence of a catalyst selected from alkali metal aryl acid, alkali metal borohydrial, and a quaternary ammonium salt of bioxyanion. The resulting poly(arylcarbonate)s produced by this process exhibit enhanced crystallinity.
Career Highlights
Jagdish C Sehra is associated with the Council of Scientific & Industrial Research, where he continues to advance research in polymer science. His work has been instrumental in developing new methodologies that enhance the properties of polycarbonates, making them more suitable for various applications.
Collaborations
He has collaborated with notable scientists such as Swaminathan Sivaram and Venkat Srinivasan Iyer, contributing to a rich exchange of ideas and innovations in the field of materials science.
Conclusion
Jagdish C Sehra's contributions to polycarbonate technology through his patents and research have significantly impacted the field. His innovative processes not only improve the quality of polycarbonates but also pave the way for future advancements in material science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile