Hokuetsu has patented a water- and oil-repellent agent containing cellulose nanofibers, specific crosslinking agents, and perfluoroalkyl compounds with short carbon chains. This innovative formula aims to enhance the repellent properties of various materials. GlobalData’s report on Hokuetsu gives a 360-degree view of the company including its patenting strategy. Buy the report here.

Smarter leaders trust GlobalData


Data Insights Hokuetsu Corp - Company Profile

Buy the Report

Data Insights

The gold standard of business intelligence.

Find out more

According to GlobalData’s company profile on Hokuetsu, H2 storage carbon nanotubes was a key innovation area identified from patents. Hokuetsu's grant share as of February 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.

A recently granted patent (Publication Number: US11905650B2) discloses a water- and oil-repellent agent that includes cellulose nanofibers, a crosslinking agent with specific functional groups, and a perfluoroalkyl compound with a perfluoroalkyl group containing 6 or fewer carbon atoms. The agent can be used on various materials like cloth, non-woven fabric, paper, leather, or wood to impart water- and oil-repellent properties. The content of the crosslinking agent and perfluoroalkyl compound is specified in the claims, ensuring optimal performance of the agent.

Moreover, the patent also details a method for producing the water- and oil-repellent agent, involving the mixing of cellulose nanofibers, the crosslinking agent, and the perfluoroalkyl compound. The method includes specific steps like preparing an aqueous dispersion of cellulose nanofibers and adding the compounds in a particular sequence to achieve the desired properties. The patent further extends to a water- and oil-repellent product with a coating layer containing cellulose nanofibers crosslinked by the specified compounds, suitable for substrates with air permeability. This innovative approach in developing water- and oil-repellent agents and products showcases the potential for enhanced performance and durability in various applications.

To know more about GlobalData’s detailed insights on Hokuetsu, buy the report here.

Data Insights


The gold standard of business intelligence.

Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.


GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.