Suzano has been granted a patent for a high-strength fiber composition with fibers up to 7mm long and viscosity between 10-20 cP. The distribution of fibers based on length ensures strength, and the composition is redispersible. The patented composition includes microfibrillated cellulose fibers. GlobalData’s report on Suzano gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Suzano, Microfibrillated cellulose production was a key innovation area identified from patents. Suzano's grant share as of February 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
High-strength fiber composition with specific length and viscosity
A recently granted patent (Publication Number: US11879213B2) discloses a fiber composition comprising microfibrillated cellulose (MFC) fibers with a length equal to or less than 7 mm and a viscosity ranging from 10 to 20 cP. The composition includes a specific distribution of fiber lengths, with percentages varying from 0 to 0.2 mm up to 3.2 to 7.0 mm. The fibers can be virgin, recycled, or secondary fibers obtained through the kraft process, and may be whitened, semi-whitened, or not whitened. Additionally, the fiber composition can have a dry content ranging from 3% to 70% and is redispersible, maintaining at least 70% of the Brookfield Viscosity initial value at 1% when redispersed.
Moreover, the patented fiber composition is suitable for various applications such as paper manufacturing, fiber cement, thermoplastic composites, inks, varnishes, adhesives, filters, and wooden panels. The patent also covers a method of using the fiber composition for manufacturing the aforementioned products, as well as an article of manufacture comprising the fiber composition. Specifically, the article can be a paper with defined characteristics including tensile index, elongation, Scott Bond, bursting index, volume-to-mass ratio, Taber stiffness, and wall thickness falling within specified ranges. This patented fiber composition offers a versatile and efficient solution for a wide range of industries requiring high-quality fibers for their products.
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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.
