Patent Issued for Processes and systems for producing nanocellulose from old corrugated containers (USPTO 12018432).

GranBio Intellectual Property Holdings LLC has been issued a patent for processes and systems for producing nanocellulose from old corrugated containers. Nanocellulose is a nanostructured material with various applications, including polymer reinforcement, biodegradable food packaging, pharmaceuticals, and textiles. The patent describes a process that involves screening and cleaning the feedstock, thermally treating it, mechanically refining it to generate cellulose nanofibrils and/or nanocrystals, and incorporating them into corrugating medium pulp. The process aims to improve the strength of new corrugated containers made from recycled materials. [Extracted from the article]