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US20140124150 METHOD FOR PRODUCTION OF MICRO FIBRILLATED CELLULOSE  
A method for producing micro fibrillated cellulosic material from pulp where multiple passes through a medium consistency refiner are made either singularly or in combination with low consistency...
US20070084573 Hot Cup made From An Insulating Paperboard  
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of processed cellulosic fibers. The paperboard provides sufficient insulation...
US20120193046 BIOMASS PRETREATMENT  
A method for lignocellulose conversion to sugar with improvements in yield and rate of sugar production has been developed by using ionic liquid pretreatment. This new pretreatment strategy...
US20060237153 Printing papers  
Printing papers with reduced discoloration are obtained by using a pulp with improved discoloration. Printing papers with remarkably improved discoloration can be obtained by including a pulp...
US20080264586 Treatment of Pulp  
A method of treating a fibre pulp mixture comprises: (a) separating the fibre pulp mixture into at least two fractions to form a coarse fraction and a fine fraction; (b) bleaching the coarse...
US20060207732 Methods for improving discoloration resistance of pulp and pulp improved in discoloration resistance  
The present invention aims to provide a method for improving discoloration in pulp, characterized by a versatile technique adaptable to any type of pulp, a time-saving process, a great and...
US20070163735 Method for reducing brightness reversion of mechanical pulps and high-yield chemical pulps  
The present invention concerns a process for reducing the susceptibility of lignocellulosic material to unwanted yellowing, particularly yellowing caused by light and heat. According to the...
US20070272378 Method for Reducing the Extractives Content of High-Yield Pulps and Method for Producing Bleached High-Yield Pulps  
The invention relates to a method for reducing the content of extractives of a high-yield pulp in a peroxide bleaching stage, said stage including peroxide bleaching and a subsequent dewatering or...
US20070107861 METHOD FOR PRODUCING A PAPER WEB, AND PAPER MACHINE  
The present invention relates to a method and a paper machine for producing a calendered paper web. The method includes the step of partially loading with ash a plurality of fibers of a fibrous...
US20050000665 Method for preparing fibers contained in a pulp suspension  
A method for one of preparing fibers contained in a pulp suspension and preparing coating color for coated papers including the steps of providing fibers in a suspension form having a predefined...
US20070256804 LIGHT-COLOURED TO WHITE WOODEN MATERIAL PANELS  
Light to white wood-base boards which are produced from bleached wood fibers and/or beater dyed with a white pigment.
US20150152597 HIGHLY ABSORBENT AND RETENTIVE FIBER MATERIAL  
A process for producing a water-absorbent high-porosity fibrous matrix from lignocellulosic raw materials, comprising wet mechanical processing of the raw material, drying, and then dry mechanical...
US20070084574 Insulating paperboard  
An insulating paperboard contains at least one layer of cellulose fibers. The one layer is at least partially composed of cellulosic fibers and synthetic fibers. The paperboard provides sufficient...
US20130284387 Cellulose Fiber Assembly and Method for Preparing the Same, Fibrillated Cellulose Fibers and Method for Preparing the Same, and Cellulose Fiber Composite  
An object of the present invention is to provide a cellulose fiber assembly and a cellulose fiber composite, each having low coloration. The present invention is directed to a method for preparing...
US20080142174 Process in a (D) stage bleaching of softwood pulps in a presence of Mg (OH) 2  
This invention relates to an improved bleaching process for bleaching pulp comprising at least one bleaching stage which comprises treating a softwood pulp with a bleaching agent comprising ClO2...
US20080135193 Inflated filbers of regenerated cellulose formed from ionic liguid/cellulose dope and related products  
Inflated fibers of regenerated cellulose and other regenerated structures are formed from ionic liquid/cellulose dope. Fibers so produced may be incorporated into absorbent sheet with other...
US20070068640 METHOD FOR LOADING A FIBROUS STOCK SUSPENSION AND ARRANGEMENT TO IMPLEMENT THE METHOD.  
Method for loading a fibrous stock suspension which contains cellulose fibers with calcium carbonate, comprising the following process steps: Adding calcium hydroxide in liquid or dry form, or...
US20150152601 MODIFIED KRAFT FIBERS  
A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical...
US20070158038 Use of particulate material derived from mammalian hair in the preparation of paper or paperboard products  
The invention relates to the use of a particulate material derived from mammalian hair in the preparation of a paper or paperboard product, which particulate material has been prepared by means of...
US20050145350 Individualized intrafiber crosslinked cellulosic fibers with improved brightness and color  
Individualized intrafiber crosslinked cellulosic fibers having improved color properties and brightness are disclosed.
US20050028951 Smooth base stock composed of nonstandard fibers  
A smooth base stock useful in various applications, but particularly useful in high quality imaging, comprising nonstandard fibers is disclosed. The base stock fibers have a fiber length weighted...
US20060096722 Method of treating cellulose fibres  
The present invention relates to a method of treating cellulose fibres. The invention further involves the production of paper from said treated fibres and the paper obtainable therefrom. The...
US20070131361 Method for charging a fiber suspension, and arrangement for carrying out said method  
A method of loading a fibrous stock suspension containing chemical pulp fibers with calcium carbonate including the steps of: adding one of calcium oxide and calcium hydroxide in one of a liquid...
US20120142909 VISCOSITY CONTROL IN COMPOSITIONS COMPRISING PLANT FIBER MATERIALS  
Pectinases, such as Pectinex™ Ultra SP-L (composed of the enzyme Polygatacturonase, a type of pectinase which is derived from Aspergillus aculeatus) or pectinmethylesterases were used to decrease...
US20110129886 Biorefinery Process for Extraction, Separation, and Recovery of Fermentable Saccharides, other Useful Compounds, and Yield of Improved Lignocellulosic Material from Plant Biomass  
Non-food plant biomass is subjected to hot-water extraction in a pressurized vessel at an elevated temperature up to about 250° C. and at a pH below about 7.0, to yield an aqueous extract...
US20070062652 Method for charging a fibre suspension and arrangement for carrying out said method  
The invention relates to a method for loading a fibrous suspension containing cellulose fibers with calcium carbonate with the following steps of the method: Introduction of calcium hydroxide in...
US20080000603 Covalent Bonding of Carboxylated Cellulose Fiber Webs  
Methods are provided for creating covalent bonding of webs by combining cellulosic fibers having a carboxyl content approximately greater than 7 meq/100 g with one or more crosslinking agents. In...
US20140166220 METHOD TO PRODUCE HIGH-RESISTANCE CELLULOSE AND HEMICELLULOSE FIBERS FROM LIGNOCELLULOSIC BIOMASS OF SUGARCANE LEAVES AND BUDS  
Method for production of cellulose and hemicellulose fibers from lignocellulose biomass obtained from sugarcane leaves and buds by applying a process comprising the stages of: a) Diminishing the...
US20080196847 Pre-extraction and solvent pulping of lignocellulosic material  
A process of treating a lignocellulosic material includes a pre-extraction step in which hemicellulose is extracted from the lignocellulosic material. Then, in a solvent pulping step, the...
US20050217812 Bleached crosslinked cellulosic fibers with high color and brightness  
Cellulose fibers are crosslinked with a crosslinking agent in the presence of a polyol, the cured fibers are then treated with a bleaching agent to give crosslinked fibers with high color and...
US20070151681 METHOD AND DEVICE FOR LOADING A FIBROUS STOCK SUSPENSION  
The present invention relates to a method and a device for loading a fibrous stock suspension including a plurality of cellulose fibers with calcium carbonate. The method includes adding calcium...
US20080173415 SCREEN PLATES HAVING DIAGONAL SLOTS WITH CURVED INLETS FOR A DIGESTER  
A screen plate for a cellulosic material puling vessel, the screen plate including: slots having curved inlet corner edges adjacent an inside surface of the screen plate and facing a pulp flow.
US20150225901 Method of producing dissolving pulp, dissolving pulp and use of method  
A method of producing dissolving pulp from a recycled fibrous feedstock. The method comprises providing a fibrous material comprising cellulose, lignin and hemicellulose, said fibre source further...
US20050121157 Method for the fabrication of a fiber web  
A method for the fabrication of a fibrous web including the steps of loading fibers with a precipitant, thereby defining treated fibers. Creating at least a portion of the precipitant as...
US20050217809 Bleached crosslinked cellulosic fibers having high color and related methods  
Whitened crosslinked cellulosic fibers, methods for making the fibers, and products that include the fibers.
US20080057307 PROCESS FOR PRODUCING NANOFIBERS  
A process for making nanofibers includes preparing a fluid suspension of fibers, shear refining the fibers to create fibrillated fibers, and subsequently closed channel refining or homogenizing...
US20070151679 Method of producing fibre products  
A process for producing fibrous material, comprising a lignocellulosic material with phenolic or similar structural groups, and a signaling agent, said process comprising the steps of oxidizing...
US20070006984 Method for the treatment of fiber material  
The method serves for the altering of suspended paper fibers or pulp fibers, in particular to increase the strength of the paper made from these fibers. Two refining surfaces are pressed toward...
US20080185112 PRODUCT PREPARATION AND RECOVERY FROM THERMOLYSIS OF LIGNOCELLULOSICS IN IONIC LIQUIDS  
The present invention provides methods for the thermolysis of lignocellulosic materials, such as wood, cellulose, lignin, and lignocellulose. In specific embodiments, the methods comprise...
US20090227975 TAMPON INCLUDING CROSSLINKED CELLULOSE FIBERS AND IMPROVED SYNTHESIS PROCESSES FOR PRODUCING SAME  
A tampon pledget includes crosslinked cellulose fibers having microstructures treated to provide improved absorbency and higher wet strength. The fibers are treated with a crosslinking agent to...
US20070051480 Method and apparatus for loading a fibrous stock suspension  
An apparatus for loading a cellulose fiber containing fibrous stock suspension with calcium carbonate which includes an arrangement of machines for loading the fibrous stock suspension with...
US20070131362 Process for producing a fibrous product  
The present invention concerns a process for modifying a lignocellulosic fibre material. In particular, the present invention gives new properties to the fibrous matrix of the material. This is...
US20110117319 NANOFIBER SHEET AND METHOD FOR MANUFACTURING THE SAME  
A nanofiber sheet that has a high degree of transparency, a high modulus of elasticity, a low coefficient of linear thermal expansion as well as high degrees of flatness and smoothness, in...
US20080142175 Process in a (D) stage bleaching of hardwood pulps in a presence of Mg (OH)2  
This invention relates to an improved bleaching process for bleaching pulp comprising at least one bleaching stage which comprises treating a hardwood pulp with a bleaching agent comprising ClO2...
US20140290882 MULTI-STAGE CATALYTIC CARBOXYLATION OF MERCERIZED CELLULOSE FIBERS  
Carboxylated, mercerized cellulose fiber having at least 12 meq/100 g of carboxyl substitution at the C-6 position of the anhydroglucose units, which includes at least 20% cellulose II, may be...
US20080264587 Reducing the Water and Water Vapour Absorbence and Enhancing the Dimensional Stability of Paper and Paper Products and Use of Coated Paper Products  
The invention relates to a method for reducing the absorption of water and water vapor and for increasing the dimensional stability of paper and paper products by treatment with an aqueous...
US20080294132 Cellulosic fiber compositions having odor control and methods of making and using the same  
The present invention relates to compositions containing stabilized and/or activated urease inhibitors, as well as methods of making and using the same.
US20150090412 PROCESS FOR PRODUCTION OF MICRO FIBRILLATED CELLULOSE  
A method for producing micro fibrillated cellulosic material from pulp in which a pulp feed material is pre-treated by passing through a high consistency refiner a single time, followed by...
US20130081768 CATALYTIC CARBOXYLATION OF CELLULOSE FIBERS IN A CONTINUOUS PROCESS WITH MULTIPLE ADDITIONS OF CATALYST, SECONDARY OXIDANT AND BASE TO A MOVING SLURRY OF CELLULOSE FIBERS  
Manufacturing carboxylated fiber by catalytically carboxylating cellulose fiber in at least two catalytic carboxylation stages in series in which a primary catalyst and secondary oxidizing agent...
US20150184345 SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM  
Processes disclosed are capable of converting biomass into high-crystallinity nanocellulose with low mechanical energy input. In some variations, the process includes fractionating biomass with...

Matches 1 - 50 out of 98 1 2 >