Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 3,557

Document Document Title
WO/2021/062887A1
Provided is a straw biodegradable composite bacterial agent, said compound bacterial agent being a composition of Bacillus subtilis, Bacillus amyloliquefaciens, Bacillus cereus, Phanerochaete chrysosporium, and Trametes versicolor. Biode...  
WO/2021/063464A2
The present invention relates to a process for producing bacterial nanocellulose (BNC), the process comprising a) culturing in a liquid culturing medium Komagataeibacter rhaeticus, Gluconobacter oxydans, and at least one of Hanseniaspora...  
WO/2021/057159A1
The present invention relates to the field of paper pulp processing. Disclosed is a processing technology for removing adhesive substances from paper pulp. A preparation method mainly comprises: first performing heat dispersion on a pulp...  
WO/2021/040046A1
The purpose of the present disclosure is to provide a method for manufacturing a pulp fiber raw material with which it is possible to easily form a fiber composite reinforcing material that includes cellulose nanofibers with a low hemice...  
WO/2021/024025A1
An embodiment of the current invention provides a hopper for preparing empty fruit bunch (EFB) fibers in a paper and/or pulp production process. The hopper comprises an inlet, one or more pipes comprising holes and an outlet. The inlet o...  
WO/2021/024026A1
An embodiment of the current invention provides a method for preparing empty fruit bunch (EFB) fibers in a paper and/or pulp production process. The method comprises the following steps: EFB fibers are delivered and/or loaded into a hopp...  
WO/2021/018751A1
The use of a GH8 xylanase in the treating of pulp for preparing paper materials, such as printing and writing paper, tissue and towel, newsprint, carton board, containerboard and packaging papers.  
WO/2021/012616A1
A method for improving the fiber softness of high-yield pulp, comprising the following steps: treating the high-yield pulp using ozone, and treating the high-yield pulp using cellulase. Surface lignin is removed using ozone, enabling the...  
WO/2021/001780A1
A process of preparing moulded cellulosic material from reclaimed cellulosic material is disclosed. The process comprises the steps of: treating the reclaimed cellulosic material with at least one bleaching compound, to decolourise (if a...  
WO/2020/246137A1
Provided is a method for producing softwood-derived pulp fibers for paper, the method being capable of reducing the propensity for the product surface to become rough, and capable of reducing the propensity for the tensile strength to be...  
WO/2020/245072A1
The present invention relates to a semi-bleached or unbleached Eucalyptus globulus pulp, the use of which for the production of tissue products allows the development of key properties of such products, such as bulk, strength, absorption...  
WO/2020/245071A1
The present invention relates to a Eucalyptus globulus bark pulp for the production of tissue papers with improved pulp properties. The present invention further includes the process of producing the Eucalyptus globulus bark pulp, involv...  
WO/2020/245058A1
The invention relates to a process for continuously preparing a broken-up, cellulose-containing starting material (110), in particular, a starting material for forming a cellulose shaped body (102). The process comprises: i) supplying (1...  
WO/2020/245053A1
The invention relates to a method for producing a cellulose paper material (150). The method comprises: i) providing (105) used textiles as a starting material (101), the used textiles containing cellulose and non-cellulose foreign subst...  
WO/2020/239510A1
The invention relates to paper, board and/or card and to a fibrous mixture for producing same, said mixture comprising a fraction of fibrous material got from broad-leaved plants and a fraction of pulp. The fibrous broad-leaved plant mat...  
WO/2020/231721A1
Methods and systems for reducing the loss of usable fibers from whitewater while simultaneously increasing paper making machine performance and paper quality are provided. The methods and systems utilize a fractionating saveall to separa...  
WO/2020/217757A1
Provided is a method which is for producing a recycled pulp fiber from a used absorbent article and by which an aqueous solution recovered in a production step can be reused and the amount of water used as the aqueous solution can be red...  
WO/2020/208296A1
A solution stable enzyme composition comprising an enzyme component, a stabilizer component, an optional antimicrobial preservative and water is disclosed, as well as its use in manufacturing of pulp and paper.  
WO/2020/192432A1
Disclosed herein is a method for catalytically decomposing a lignocellulosic raw material, comprising: using an organic solvent to pre-treat the lignocellulosic raw material, adding a solid acid catalyst to perform boiling after the pre-...  
WO/2020/188306A1
The object of the invention is a method for recycling waste paper containing plant-based fibres at least partially coated with a wet-strengthening material. The characteristic feature of the invention is that the waste paper (H) is conve...  
WO/2020/181884A1
A production method of a double-layer soluble paper towel made of pure wood pulp, comprising imported bleached softwood and hardwood pulp plates, wherein the production method sequentially comprises the following steps: raw material disp...  
WO/2020/173963A1
The present invention relates to a biological process for reducing the level of deposits formed in water bearing systems used in the processing of cellulose, especially water bearing systems used in the production of paper.  
WO/2020/160955A1
The invention discloses an improved continuous process for production of cellulose from glass-like feedstock, which is based on: (i) cooking of comminuted grass-like feedstock in white liquor which contains 0.5-2.0% w/w NaOH and 0.5-25.0...  
WO/2020/152178A1
The present invention provides a method of producing an improved cellulose pulp consisting of cellulose fibers of a desired length, such as cellulose fibers having a length-weighted average fiber length Lc(l) > 0.6 mm and its use in cell...  
WO/2020/144115A1
The invention relates to obtaining lignin preparations of desirable molecular size and properties. It describes a method of de-polymerizing lignin of high molecular weight into low molecular weight lignin. More in particular, the inventi...  
WO/2020/141589A1
The purpose of the present invention is to provide a method for producing a pulp fiber raw material suitable as a cellulose raw material. This invention is as follows. A method for producing pulp fiber raw material as a cellulose raw m...  
WO/2020/133856A1
The present invention belongs to the field of paper technologies and new materials, and specifically relates to a method for preparing a biomechanical primary color pulp from wheat straw. The present invention involves first pre-treating...  
WO/2020/133857A1
Disclosed is a method for preparing a biomechanical unbleached pulp from grass straw, wherein same is obtained by treating grass as a raw material with an alkaline biological enzyme, then subjecting same to a heating treatment by means o...  
WO/2020/096014A1
The present invention provides a method for manufacturing pulp fibers for cellulose nanofiberization from pulp fibers contained in used sanitary products. This method for manufacturing pulp fibers for use in obtaining cellulose nanofiber...  
WO/2020/096013A1
An objective of the present disclosure is to provide a method for producing recycled pulp fibers that have a low hemicellulose content and are useful for various applications. The present disclosure comprises the following feature. A met...  
WO/2020/096542A1
The invention is related to obtaining regenerated cellulose fiber by using supercritical-N2O and/or supercritical-CHF3 compounds from cotton straw which are formed as thin chips mechanically.  
WO/2020/092479A1
A grafted polyvinyl alcohol polymer has a balance between hydrophilicity and hydrophobicity. The grafted polyvinyl alcohol polymer has a chemical functionality that allows for adsorption onto the pulp fibers, polymer film formation upon ...  
WO/2020/087201A1
A comprehensive preparation method for bamboo biological extracts and bamboo fibre, comprising: (1) preparing bamboo shavings; (2) extracting bamboo green extract and bamboo shavings polysaccharide mixed crude extract; (3) separating the...  
WO/2020/084188A1
The invention relates to a backing material layer suitable for use as a layer of a release liner, wherein the backing material layer comprises bleached chemical pulp, and bleached recycled release liner pulp. The invention further relate...  
WO/2020/065238A1
The present invention relates to a process for recovering starch present in paper and/or cardboard, by: [a] preparation of an aqueous suspension A of fibres, [b] treatment of the aqueous suspension A and formation of two fractions: - fra...  
WO/2020/039141A1
The present invention relates to the use of at least one sugar ester as a deinking agent, by flotation of an aqueous suspension of recovered paper. The present invention also relates to the method for deinking recovered paper using a sug...  
WO/2020/016241A1
The present invention relates to a process for the controlling the sodium and sulfur levels in a pulp mill, comprising the steps of: a) providing a pulp mill stream comprising sulfide and having a total alkali concentration of at least 2...  
WO/2020/010728A1
A dissolving pulp preparation method comprises: S1) steaming and cooking wood chips to acquire a brown stock; S2) subjecting the brown stock to oxygen delignification to acquire an oxygen-delignified stock; S3) mixing the oxygen-delignif...  
WO/2019/229228A1
The present invention relates to treatment of dissolving pulp with a lytic polysaccharide monooxygenase. The lytic polysaccharide monooxygenase treatment results in reduced viscosity and/or improved viscosity control in the dissolving pu...  
WO/2019/227285A1
Provided are compositions and processes concerning efficient downstream processing of products derived from organic acids pretreatment of plant materials.  
WO/2019/220014A1
A method for producing pulp suitable for dissolution of cellulose and hemicellulose from never-dried high viscosity paper pulp congaing metal ions and a method for producing a fiber spinning solution from cellulose and hemicellulose. Acc...  
WO/2019/206994A1
Engineered variant polypeptides having lipase enzyme activity, compositions comprising the enzymes, and methods of making and using the enzymes. The genetically engineered lipase enzymes are useful in many different applications such as ...  
WO/2019/201765A1
The invention relates to qualitative or quantitative determination of chemical compounds or classes of compounds in heterogeneous waste comprising biodegradable and non- biodegradable matter. The method may especially be used for identif...  
WO/2019/195802A1
Provided herein are compositions comprising an oil-in-water emulsion, wherein the emulsion comprises a liquid oil component; a cross-linked homopolymer based on acrylic acid and/or a cross-linked copolymer of acrylic acid and acrylic aci...  
WO/2019/187823A1
The present invention addresses the problem of developing a technology for efficiently manufacturing deinking pulp from printed material printed with UV ink. A method of manufacturing deinking pulp according to the present invention comp...  
WO/2019/177826A1
Methods and systems are provided for producing market pulp which include treatment of pulp before pulp drying. An anionically charged compound and enzyme are used to treat pulp before pulp drying to improve pulp dewatering performance an...  
WO/2019/170027A1
Disclosed are a biological enzyme preparation for a specific complex and a method for treating plant raw materials with the biological enzyme preparation for a specific complex. The biological enzyme preparation for the specific complex ...  
WO/2019/164908A1
Provided are purified cannabis hurd fiber, and refined cannabis hurd fibers, and methods for preparing cellulosic fiber from the hurd of cannabis plants. The methods include decorticating the bast from the hurd, at least partially fibril...  
WO/2019/143802A1
The present invention includes a method for dissolving cellulose comprising dissolving cellulose in an ionic liquid and a co-solvent, wherein the ionic liquid is an imidazolium-based ionic liquid with, e.g., a halide or acetate as the an...  
WO/2019/123580A1
The present invention provides a method which, in the process of manufacturing recycled pulp fibers from a mixture of pulp fibers and a high water-absorption polymer, enables efficient manufacturing of the recycled pulp fibers while prop...  

Matches 1 - 50 out of 3,557