Vol. 40 | Vol. 40(1) - January / February 2022 | FINE CHEMICALS

Industrial production of acetic acid: a patent landscape

by

MASSIMO BARBIERI*, FLAVIO MANENTI
*Corresponding author
Politecnico di Milano, Milan, Italy

ABSTRACT

This work presents an overview of the patent activity and filing trends on acetic acid industrial processes. Data were obtained with Orbit Intelligence patent database, using both keywords and classification codes (IPC, CPC, and C-sets). The complete search strategy has been reported. Data analysis reveals that methanol carbonylation is the most patented process, while fermentation methods are the most attractive technologies. The filing of new patent applications shows a decreasing trend in the period comprising 2016 and 2020 for all technologies

INTRODUCTION
Acetic acid is considered one of the most important chemical products, with about 16 Mt/y production in 2020 and a positive forecast for the next lustrum (2022-2026). It is mainly used to produce cellulose acetate, vinyl and polyvinyl acetate, acetic anhydride, terephthalic acid and synthetic fibers (1).

ABOUT THE AUTHOR

Massimo Barbieri – Technology Transfer manager at Politecnico di Milano since September 2003. His job deals mainly with the evaluation of the inventions’ proposals, state-of-the-art searches and patent licensing.
In 1993 he received a master’s degree in chemistry, University of Pavia, and in 2003 a post-graduate degree in Industrial Property Management. He is a Qualified Patent Information Professional (https://www.qpip.org/qpips/190) since 2019.

Flavio Manenti – Full Professor of Chemical Plants at Politecnico di Milano where he coordinates the Centre for Sustainable Process Engineering Research (hiips://super.chem.polimi.it). Charity Trustee-elected at European Federation of Chemical Engineering (EFCE, www efce.info) and President-elect of the Computer-Aided Process Engineering (CAPE, www wp-cape.eu). Active in clean technologies, sustainability and digitalization, he published 300+ papers and 12 books and filed 20+ patents.

Login