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Patent Searching and Data


Matches 701 - 750 out of 2,262

Document Document Title
WO/1984/002428A1
A battery system (10, 110) wherein an electrolyte solution of lithium hydroxide dissolved in seawater is circulated through a battery cartridge (11, 111). The system is placed under pressure. A portion of the electrolyte mixture is disch...  
WO/1983/003435A1
In a pulping process comprising: a step (2) of digesting a lignocellulosic substance (F) using a digesting liquid; steps (3, 4) of separating the digested product into pulp and a waste digesting liquid; steps (5, 9) of treating the waste...  
WO/1983/002469A1
The process involves selection of a lignin-containing fiber source, having a lignin content of at least about 10 %, and thermomechanically pulping the fiber source under temperature/pressure conditions of 300oF-350oF/ 50 psig- 120 psig a...  
WO/1983/002125A1
A method for delignifying ligno-cellulosic materials and efficiently separate from each other the constituents thereof. Said materials which optionally may be prehydrolized are heated in an aqueous acid medium in the presence of phenol c...  
WO/1983/001469A1
Preparation of polysulphide for treatment of wood chips so that the wood consumption is reduced in kraft digestion of paper pulp. In an impregnation stage the wood chips are caused to react with black liquor, or black liquor components c...  
WO/1982/003409A1
Comminuted cellulosic materials which may or may not contain lignin are partially or totally hydrolyzed or saccharified by an improved organosolv process using an aqueous acetone solvent mixture containing a small amount of an acidic com...  
WO/1982/002414A1
A silicon defoamer comprising silica or silicate made hydrophobic by treatment with a hydrophobic alcohol at a temperature above 100 C until the silica or silicate and the hydrophobic alcohol react, and the use of a defoaming composition...  
WO/1982/001901A1
Oxidized kraft white liquor is used as a pulping liquor, in excess, to give a residual spent liquor pH of more than 12 so that the resulting pulp quality and colour is equivalent to that of NSSC pulps.  
WO/1982/001902A1
Procede de pulpage du bois et de l'ecorce dans de l'acide formique avec une concentration d'au moins 35 , la concentration ideale se situant entre 65 et 90 , avec reflux a la pression atmospherique, pour produire de la pulpe de bois et d...  
WO/1982/001568A1
A method for manufacturing wood pulp which comprises pulping wood with a mixture of ethanol and sodium hydroxide and wood pulp manufactured in accordance with the method.  
WO/1982/001019A1
A process to produce pulp from vegetable, cellulose-containing fibrous material such as coniferous wood, hardwood, straw, bagasse etc., the fibrous material being treated in several stages. In a first stage the fibrous material is impreg...  
WO/1982/000483A1
A high yield of a high quality pulp is obtained by cooking fragmented lignocellulose material at a temperature of 180 to 240 C with a mixture of methanol or ethanol and water containing 80 to 98 percent by volume of the alcohol, the mixt...  
WO/1981/003505A1
Method for selectively defiberizing and delignifying lignocellulose employing a novel alkaline pulping system. The subject pulping system includes a pulping liquor comprising water, a water-miscible organic reagent, and a sulfide or bisu...  
WO/1981/000267A1
A process for making defibered pulp material comprising the steps of treating fibrous ligno-cellulosic material with aqueous nitric acid or nitrate salts having a nitrate ion concentration of about 0.001 to 9.0 wt.% and containing at lea...  
WO/1980/002574A1
A method of utilizing kraft black liquor by converting the black liquor to "green liquor" and then oxidizing the green liquor with air in the presence of a quinone compound or spent liquor from the kraft process, the soda semi-chemical p...  
WO/1980/000159A1
The process comprises the attacking of a cellulosic plant material, by separation of binding substances, such as lignin, by using amino organic compounds. In most of the known processes which use aqueous solutions or dispersions of the a...  
WO/1979/000152A1
Shelf life of silica based defoamer composition is improved by adding oil soluble resins and optionally aliphatic fatty acids to retard separation and to inhibit settling. The composition is useful in preventing foaming or in defoaming a...  
WO/1979/000119A1
Minced lignocellulose, such as wood, straw, bamboos, bagasse or any other structured vegetal material, is treated in a discontinuous or continuous process. The process consists in boiling this material in an acidified mixture of solvents...  
JP2015067918A
【課題】本発明の課題は、溶解パルプの製造 における前加水分解処理を適切に管理し、溶 解パルプの製造プロセスを適切に制御する技 術を開発することである。【解決手段】...  
JP2015510050A
リグノセルロース材料の蒸解方法が、リグノ セルロース材料と少なくとも約10のpHを 有する苛性組成物を提供する工程を含む。仮 性組成物は、水、アルカリ金属水酸化物...  
JP5694513B2  
JP5669762B2  
JP2015030954A
【課題】 本発明の課題は、高品質の溶解クラフトパル プを効率的に製造する技術を提供することで ある。【解決手段】 (a)木材チップを水熱処理して木材チップ に含まれ...  
JP2015030949A
【課題】 本発明の課題は、高品質の溶解クラフトパル プを効率的に製造する技術を提供することで ある。【解決手段】 (a)木材チップに水を添加して木材チップ に含まれ...  
JP2015503686A
α−セルロース含有量が高く、黄変防止性が 良された漂白された軟材クラフトパルプ繊 を提供する。クラフトパルプ繊維を作製す ための方法およびこの方法から作製さ...  
JP2015016430A
To provide a method for adding a defoaming agent capable of simply enhancing a degree of foaming suppression obtained per an amount of addition of the defoaming agent to a remarkably foaming water system in a kraft pulp production proces...  
JP5649376B2  
JP2014208920A
To provide a technique of producing a high-quality dissolving kraft pulp in a high yield.A method of producing a dissolving kraft pulp includes (a) a step of treating wood chips hydrothermally to hydrolyze hemicellulose contained in the ...  
JP2014525519A  
JP5585882B2  
JP5563447B2  
JP5543015B2  
JP5544490B2  
JP2014514471A  
JP2014514468A  
JP5520822B2  
JP5491687B2  
JP5491477B2  
JP2014074261A
To provide lyocell fibers having pebbled surfaces and variations in cross section and diameter along and between the fibers.The lyocell fibers can be produced by centrifugal spinning, meltblowing, or its spunbonding variation, and produc...  
JP2014074251A
To provide a technology for efficiently manufacturing a molten kraft pulp having a high α-cellulose content from a coniferous tree material.There is provided a method for manufacturing a molten kraft pulp including (a) a process of hydr...  
JP2014074252A
To provide a technology for efficiently manufacturing a high quality molten kraft pulp from a coniferous tree material.A molten kraft pulp is manufactured by processes including (a) a process of hydrolyzing hemicellulose part contained i...  
JP2014508867A  
JP5467041B2  
JP2014034744A
To provide a method for producing dissolving pulp while performing stable hydrolysis to efficiently remove hemicellulose, in a method for producing dissolving pulp by pre-hydrolysis treatment.In a method for producing dissolving pulp, wh...  
JP2014504151A  
JP2014029044A
To provide a technique for efficiently producing dissolving kraft pulp having a high α-cellulose content.A method for producing dissolving kraft pulp comprises the steps of: kraft digesting wood chips which have been treated with pre-hy...  
JP2014001488A
To provide a kraft cooking method which can notably improve a pulp yield without requiring large-scale equipment changes, and a pulp yield improver used for the method.In a kraft cooking method where pulp material is cooked in black liqu...  
JP2014001471A
To provide a technique for manufacturing dissolving pulp having high quality by a kraft pulping method using hardwood materials as raw materials.There is provided a method for manufacturing dissolving pulp from hardwood materials includi...  
JP2014001470A
To provide a technique for manufacturing dissolving pulp having high quality by a kraft pulping method using conifer materials as raw materials.There is provided a method for manufacturing dissolving pulp from conifer materials including...  
JP5383805B2  

Matches 701 - 750 out of 2,262