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8968515 Methods for pretreating biomass  
A method of alkaline pretreatment of biomass, in particular, pretreating biomass with gaseous ammonia.
8945347 Method for mechanical pulp production  
A method of producing hardwood pulp is provided. This method comprises treating hardwood chips with one or more than one Family 11 xylanase enzyme in the absence of adding an oxidizing enzyme for...
8926712 Solvent spun bamboo fiber with high wet modulus and producing method thereof  
A solvent spun bamboo fiber with a high wet modulus and a producing method thereof are disclosed. The producing method includes: activating by adding a bamboo pulp into de-ionized water, adjusting...
8920602 Compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process  
In general, the present disclosure is directed to compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process. In one particular...
8871054 Process for preparing fluff pulp sheet with cationic dye and debonder surfactant  
A process is provided for making a fluff pulp sheet, comprising: contacting at least one cationic dye and at least one debonder surfactant with a composition comprising fluff pulp fibers, to form...
8815053 Method of treating liquid flows at a chemical pulp mill  
A method of treating and utilizing liquid flows at a chemical pulp mill including stages for: a) chemical pulp is produced in an alkaline cooking process, b) the brown stock generated in the...
8808500 Method for the use of oxidants for microbial control under reducing conditions  
Microbial growth in an aqueous system containing borohydride residues is controlled by adding an aldehyde or aldehyde source, followed by adding an active halogen biocide. The active halogen...
8795469 Method for preparing nonwood fiber paper  
Paper comprised solely of a nonwood fiber mix is demonstrated to meet the technical physical specifications of commercially produced papers made from wood. The esthetically impressive paper meets...
8764942 Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling  
Methods to preserve starch present in pulp are provided and also methods to control calcium precipitation and/or scaling in digesters or BOD systems. The methods can be performed as part of a...
8715462 Process and apparatus for recycling coated paper products  
Methods and apparatus are provided for exploiting coated paper products such as coated paper cups. End products include biofuels that have a high energy density. The biofuels may be mixed with...
8668806 Product and processes from an integrated forest biorefinery  
An omnibus process of pulping and bleaching lignocellulosic materials in which a charge of a lignocellulosic material is biopulped and/or water extracted prior to pulping and bleaching. The...
8617355 Method and apparatus for mixing a lignocellulosic material with enzymes  
A method to treat a lignocellulosic material including: performing a steam explosion reaction on the lignocellulosic material and discharging a slurry from the; adding an alkali material to the...
8617356 Compositions and processes for paper  
Compositions and processes that enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process involving optical brighteners are...
8524474 Process for producing a concentrated sugar solution by enzymatic saccharification of polysaccharide enriched biomass  
Methods for obtaining concentrated sugar solution from polysaccharide enriched biomass by contacting biomass with water and at least one nucleophilic base to produce a polysaccharide enriched...
8486228 Lignocellulosic biomass saccharification pre-treatment device  
Provided is a lignocellulosic biomass saccharification pre-treatment device capable of producing a pretreated material for saccharification. The lignocellulosic biomass saccharification...
8440052 Method and arrangement for feeding chemicals into a pulp process stream  
An apparatus for feeding one or more chemicals into a process stream of a pulp process is disclosed, as well as a method of utilizing the apparatus for feeding one or more chemicals into a pulp...
8317975 Product and processes from an integrated forest biorefinery  
An omnibus process of pulping and bleaching lignocellulosic materials in which a charge of a lignocellulosic material is biopulped and/or water extracted prior to pulping and bleaching. The...
8308900 Methods to control lipophilic extractives in acacia wood pulp and fiber  
Methods to control lipophilic extractives in Acacia pulp and fibers are described. One method involves contacting the pulp or fibers with a composition containing at least one enzyme, such as at...
8268122 Process of producing high-yield pulp  
The present invention relates to a process for preparing a high-yield pulp comprising a) treating a lignocellulose containing material chemically by means of an oxidizing system comprising at...
8262858 Compositions and processes for paper production  
Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The...
8246780 Methods for enhancing brightness and resistance to thermal yellowing of bleached kraft pulp and paper  
Compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The...
8007635 Lignocellulosic materials and the products made therefrom  
A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen...
7972476 Method for the production of tissue paper  
This invention relates to a method for the production of a tissue paper web, which is produced from a pulp suspension having fibers. The method according to the present invention is characterized...
7943009 Process of treating a lignocellulosic material with an alkali metal borate pre-extraction step  
A process of treating a lignocellulosic material includes a pre-extraction step in which hemicellulose is extracted from the lignocellulosic material. In one embodiment, the pre-extraction step...
7914646 Compositions and processes for paper production  
Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The...
7850821 Household thin paper  
A household thin paper, that offers flexibility and further difficulty in tearing, comprising a polyester-based compound represented by General Formula (1): wherein R1 is HO— or HO(R2O)a-, R2 is...
7837830 Plant seed based fiber products and processes  
The invention relates to a paper product having 0.1 to 10 percent of an acid treated seed based fiber material incorporated into the paper making composition. The remainder of the paper product...
7807021 Compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process  
In general, the present disclosure is directed to compositions and processes to increase pulp yield, reduce extractives, and reduce scaling in a chemical pulping process. In one particular...
7648032 Effective reductive bleaching of mineral slurries  
Disclosed herein are a method of reductively bleaching a mineral slurry comprising adding in the mineral slurry an effective amount of a formamidine sulfinic acid (FAS) and an effective amount of...
7638016 Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness  
The present invention relates to a method of increasing the brightness of pulp, pulp made from such methods and methods of using such pulp.
7585387 Chemical oxidation for cellulose separation with a hypochlorite and peroxide mixture  
An oxidative solution (Ox-B, a solution of no less than 5:1 sodium hypochlorite: hydrogen peroxide) was found to remove both lignin and hemicellulose from sugarcane bagasse. After treatment the...
7501043 Steam treatment of chips with the addition of an acid liquid  
The method is for the pre-treatment of chips that are fed to a sulphate cooking process. Through the addition of an acidic fluid to the steam treatment step, a very high ionic concentration of...
7445691 Impregnation of chips with an acid liquid prior to a sulphate pulping process  
The method is for pre-treatment of chips that are fed to a sulphate cooking process. Through acidification of the chips in an acidic treatment fluid with a subsequent draining of free treatment...
7396434 Catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein  
A continuous and batch system to produce cellulose, native lignin and unicellular protein from any form of vegetation in a closed process. The biomass is mixed in the impregnate solution of nitric...
7390378 Method of curling fiber and absorbent sheet containing same  
A method of providing papermaking fibers with durable curl comprising: a) introducing papermaking fiber into a rotatable drum adapted for operation at elevated pressure; b) rotating the drum...
7374637 Method of bleaching cellulose pulp with a main conduit for wash liquor and filtrate  
The method is for bleaching cellulose pulp in a bleach line that has at least two bleaching steps. The filtrate distribution is led up through the bleaching line counter-currently to the flow of...
7294228 Biopulp for non-woody fiber plants and biopulping method thereof  
The present invention relates to a biopulping method, and more particularly to a biopulping method for non-woody fiber plants. A biopulping method for a non-woody fiber plant is provided. It...
7226525 Process for producing very low COD unbleached pulp  
A pulp product that has a low COD is comprised of an unbleached pulp that is soaked and washed in alkaline water for a sufficient time so that the COD after soaking and washing is less than or...
7077931 Method and bleaching line with a main conduit for wash liquor  
The method is for bleaching cellulose pulp in a bleach line that has at least two bleaching steps. The filtrate distribution is led up through the bleaching line counter-currently to the flow of...
7018510 Process for bio-bleaching of Kraft pulp using bacterial consortia  
The present invention relates to an environment friendly, safe, and efficient four-step method of bio-bleaching Kraft pulp using bacterial strains of accession no. MTCC 5096, MTCC 5094, MTCC 5095,...
6833187 Unbleached pulp for lyocell products  
In accordance with the present invention, lyocell products can be made with unbleached pulps resulting in products with high amounts of hemicellulose and high amounts of lignin as compared to...
6797113 Use of thinnings and other low specific gravity wood for lyocell pulps method  
The use of low specific gravity wood from thinning operations, for example, will produce a lower brownstock viscosity for a given kappa number target. A differential of 200-cP falling ball pulp...
6790527 Lyocell fiber from unbleached pulp  
In accordance with the present invention, lyocell products can be made with unbleached pulps resulting in products with high amounts of hemicellulose and high amounts of lignin as compared to...
6733625 Method and apparatus for treating pulp  
The present invention relates to a method of treating chemical pulp in order to optimize the consumption of bleaching chemicals and to improve the quality of the pulp. Especially the invention...
6685748 Enzymatic bleaching of natural non-cotton cellulosic fibers  
A method is provided for bleaching a non-cotton cellulosic fiber, yarn or fabric by contacting said fiber, yarn or fabric with a hemicellulase enzyme for a time and under conditions suitable to...
6669904 Stabilized bromine solutions, method of making and uses thereof for biofouling control  
Stabilized bromine solutions are prepared by combining a bromine source and a stabilizer to form a mixture, and then adding an oxidizer to the mixture.
6669863 Anionic cellulose ethers having temperature-dependent associative properties  
An anionic cellulose ether obtainable by a process comprising reacting an alkali metal cellulose with one or more reagents A selected from the group consisting of haloacetic acids, alkali metal...
6599326 Inhibition of pulp and paper yellowing using hydroxylamines and other coadditives  
Chemical pulps or papers, especially kraft pulps or papers, which may still contain traces of lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a...
6500303 Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives  
Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount...
6391154 Paper web and a method for the production thereof  
The invention concerns a method for producing a paper web. According to the method a stock is produced from the fibrous raw material and the stock is formed to a web which is dried on a paper...

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