Location History:
- Rome, IT (1992)
- Monterotondo, IT (1992)
Company Filing History:
3 out of 260 
2 out of 17 
2 out of 60 
Years Active: 1992
Title: Alessandro Stopponi: Innovator in Polymer Technology
Introduction
Alessandro Stopponi is a notable inventor based in Monterotondo, Italy. He has made significant contributions to the field of polymer technology, particularly in the development of modified poly(2,6-dimethyl-p-oxyphenylene) materials. With a total of 3 patents to his name, Stopponi's work has implications for gas separation processes and membrane technology.
Latest Patents
One of Stopponi's latest patents involves the creation of hollow fibers made from modified poly-(2,6-dimethyl-p-oxy-phenylene). This hollow fiber features a glass transition temperature (Tg) ranging from 180°C to 200°C. It is characterized by a high-density, microporous layer on a macroporous backing, with an outer diameter between 450 to 550 micrometers and an inner diameter between 250 to 400 micrometers. The patent also details the process for preparing these hollow fibers and their application in the separation of gas mixtures. Another significant patent describes an amorphous modified poly(2,6-dimethyl-p-oxyphenylene) with a Tg between 170°C and 220°C. This material contains macromolecules with trialkylsilyl groups and hydroxyethyl groups, which are prepared through a specific chemical process. The modified PPO is particularly useful for creating flat and asymmetric membranes for gas mixture separation.
Career Highlights
Throughout his career, Alessandro Stopponi has worked with prominent companies such as Eniricerche S.p.a. and Snam S.p.a. His expertise in polymer science has allowed him to contribute to various innovative projects and advancements in the field.
Collaborations
Stopponi has collaborated with notable colleagues, including Raffaello Sisto and Claudio Valentini. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.
Conclusion
Alessandro Stopponi's contributions to polymer technology and gas separation processes highlight his innovative spirit and dedication to advancing scientific knowledge. His patents reflect a commitment to developing materials that can have a lasting impact on various industrial applications.