Stora Enso has patented a heat-sealable packaging material with specific coating and barrier layers on a paperboard substrate. The layers contain pigments, latex, or water-soluble polymers in defined amounts and grammage. The invention aims to improve packaging performance and manufacturing efficiency. GlobalData’s report on Stora Enso gives a 360-degree view of the company including its patenting strategy. Buy the report here.

Smarter leaders trust GlobalData


Data Insights Stora Enso Oyj - Company Profile

Buy the Report

Data Insights

The gold standard of business intelligence.

Find out more

According to GlobalData’s company profile on Stora Enso, Sustainable packaging paper coating was a key innovation area identified from patents. Stora Enso's grant share as of March 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.

Heat-sealable packaging material with barrier coating layers comprising pigments

Source: United States Patent and Trademark Office (USPTO). Credit: Stora Enso Oyj

A recently granted patent (Publication Number: US11952720B2) discloses a heat-sealable packaging material designed for efficient packaging applications. The material comprises a paperboard substrate with specific coating and barrier layers on each side. The first and second coating layers, made of latex or water-soluble polymer, are free of pigments, while the first and second barrier coating layers contain pigments in a specific range. The grammage of each layer falls within a defined range to ensure optimal performance.

Furthermore, the packaging material exhibits specific bending resistance indexes in both machine and cross directions, along with a low water absorption rate. The material's coating and barrier layers have precise grammage specifications, and the combined coat weight of the layers is also controlled within a specific range. The composition of the coating layers includes latex and a co-binder like polyvinyl alcohol, while the pigments in the barrier layers are selected from materials like clay, talc, and calcium carbonate. The packaging material is suitable for various packaging applications and can be used to create efficient and reliable packaging solutions.

To know more about GlobalData’s detailed insights on Stora Enso, 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.