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WO/1996/000290A1 |
The present invention relates to isolated nucleic acid constructs containing a sequence encoding a Polyporus laccase, and the laccase proteins encoded thereby.
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WO/1995/034662A1 |
The present invention discloses enzymes having xylanase activity. The xylanases are characterized in that they are active at a temperature of 80 °C or higher. The enzymes are obtainable from anaerobic thermophilic bacteria. The enzymes ...
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WO/1995/033836A1 |
The present invention relates to isolated nucleic acid constructs containing a sequence encoding a Myceliophthora laccase, and the laccase proteins encoded thereby.
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WO/1995/033883A1 |
The present invention concerns a method for enzymatic treatment of lignocellulosic materials which contain xylan-polymers, such as cellulose kraft pulps. According to a method of the present kind, at least a part of the hexenuronic acid ...
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WO/1995/029998A1 |
The present invention relates to novel xylanases purified from the microorganism, Microtetraspora flexuosa. Each biochemically unique xylanase is thermostable and has optimal activity in alkaline conditions. The present invention is also...
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WO/1995/029997A1 |
A thermostable xylanase is provided as an additive for an animal feed. The xylanase is one which is able to tolerate heating for one minute in a waterbath set at 95 �C without substantial loss of activity. Such a xylanase may be obtain...
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WO/1995/029289A1 |
A paper deinking process and composition useful therefor, which employ an ethylene oxide and butylene oxide block polyol.
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WO/1995/029290A1 |
Described is a deinking agent composition and a deinking process for removing ink or toner from wastepaper printed with electrostatic ink or a combination of electrostatic and nonelectrostatic inks. The deinking process comprises: (a) pu...
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WO/1995/028517A1 |
Recycled paper pulp having at least two different types of paper which consume widely different amounts of bleaching chemical, or mixed hardwood and soft-wood pulps, are treated in a manner that enhances distribution and redistribution o...
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WO/1995/027099A1 |
This method is a predigestion step (A) for spray-depositing a high-temperature digestion chemical liquid on a raw material for pulp fed into a predigestion hopper (12) while recovering residual digestion chemical liquid immediately, and ...
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WO/1995/026398A1 |
Chemically modified cellulolytic enzymes (cellulases) having an improved performance and a pI which is at least one pI unit higher than that of the parent or native cellulase, e.g. which are modified by coupling an amine to the carboxyl ...
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WO/1995/026397A1 |
An 'alpha'-amylase characterized by having a specific activity at least 25 % higher than the specific activity of Termamyl at a temperature in the range of 25 �C to 55 �C and at a pH value in the range of pH 8 to pH 10.
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WO/1995/025197A1 |
This invention relates to a method of producing paper from waste paper with the production of no liquid effluent which involves subjecting the spent treatment liquors to oxidative treatment and reverse osmosis treatment.
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WO/1995/024967A1 |
A process for recovering the cellulose flock component of used disposable sanitary non-woven cellulose articles (D), especially diapers (D) having also a plastics component and a superabsorbent polymer component, comprising: separating t...
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WO/1995/024526A1 |
A method of de-inking non-impact printed paper comprises contacting repulped paper with a formulation comprised of a derivatized ethylene oxide/propylene oxide polymer and a petroleum hydrocarbon distillate. The process separates the ink...
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WO/1995/024471A1 |
Cellulases selected from the group consisting of Family 7 cellulases and variants of these cellulases comprising a core and optionally a C-terminal link consisting of 10 amino acids at the most, especially cellulases having tryptophan, t...
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WO/1995/021292A1 |
The present invention relates to a method of treating recycled fiber pulp by washing impurities like ash, ink and stickies therefrom. The method is characterized by the steps of spraying the recycled pulp onto a filter surface, removing ...
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WO/1995/018219A1 |
The present invention discloses enzymes having xylanase considerable activity at a pH of 9.0 and a temperature of 70 �C. The enzymes are obtainable from deposited strains which are related to alkaliphilic Bacilli. The enzymes are suite...
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WO/1995/018252A1 |
A wide variety of end products may be manufactured from fibers or fiber pulp derived from feathers. Examples of such end products are paper and paper-like products, non-woven and woven fibers, insulation, filters, extrusions, and composi...
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WO/1995/018260A1 |
A process for the preparation of free sugars, lignin, lignin by-products, and cellulose pulp using recyclable solvents which have lower critical solution temperatures.
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WO/1995/017546A1 |
The invention comprises a composition and use of said composition to suppress or inhibit the decomposing action of enzymes on hydrogen peroxide, e.g. peroxidase and catalase, during bleaching of cellulose fibres with hydrogen peroxide, e...
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WO/1995/015412A1 |
A newspaper de-inking system and process require much less water than conventional de-inking systems and require much lower capital expenditure. The system (10) removes ink from newspaper pulp in a continuous process using one or more ex...
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WO/1995/014809A1 |
The present invention relates to a process for preparing a bleached cellulose pulp. In particular, the invention relates to a process for enhancing the enzymatic treatment of a cellulose pulp prior to bleaching, whereby the cellulose pul...
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WO/1995/014807A1 |
In the production of pulp and paper from starch-coated paper, the deinking effect can be improved by including a treatment with a starch-degrading enzyme e.g. amylase or a debranching enzyme. The process comprises enzyme treatment before...
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WO/1995/013426A1 |
The present invention is related to a method of manufacturing a paper product containing anionic laminating, coating or sizing agents, said paper product being free from carry-over speck defects in recycle use. The method is characterize...
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WO/1995/012708A1 |
Paper pulp and paper products, and methods of making same, of fibers from reclaimed 100 % cotton denim scrap material from the manufacture of clothing and the like, some of which fibers may retain the dye of the reclaimed material and al...
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WO/1995/012550A1 |
A process for separating printing ink from recycled paper fiber (20) includes the steps of repulping recycled paper furnish with water in a rotary mixer (10) for about 5 minutes at a consistency of 6 % to 18 % with a mixing element (16) ...
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WO/1995/011964A1 |
The present invention relates to a novel peroxidase preparation characterized by being producible by cultivation of a peroxidase producing strain of the family Myxococcaceae.
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WO/1995/012026A1 |
Waste paper, especially office waste including laser and/or photocopier paper, is subjected to de-inking by pulping in the presence of a water-soluble anionic polymer at a substantially neutral pH and then by flotation in the presence of...
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WO/1995/011334A1 |
Wastepaper containing printing ink is refined in the presence of the reaction products of castor oil with an alkoxylated fatty acid, alcohol, amine, amide, phosphate ester, polyhydroxy alcohol, or sorbitan, and the detached printing ink ...
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WO/1995/009273A1 |
The specification discloses paperboard having a water-repellant coating which includes a polymer matrix/wax mixture and which is applied to the paperboard as an aqueous formulation. The polymer matrix includes polymer chains which are io...
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WO/1995/008019A1 |
At least one measurement arrangement (ME) detects spectral and/or physical characteristic values (Omf, Mp) of a waste paper suspension (PS). The plant also has arrangements (RS1...RS8) for controlling waste paper preparation (AAA) operat...
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WO/1995/007604A2 |
A method of producing fibreboard, the method comprising the sequential steps of (a) providing an aqueous slurry or suspension of lignin-containing wood fibre material; (b) adding a phenol oxidizing enzyme system to the fibre slurry; (c) ...
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WO/1995/007384A1 |
In a process for making a granular material from a reject stream from a coated grade waste paper pulp stock recycling process, the pulp stock is screened so that the reject stream passes through a screen and long fibers are retained for ...
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WO/1995/007385A1 |
Method for the treatment of paper pulp consisting of lignocellulosic materials in an aqueous medium to eliminate or restrict the reactivity of organic compounds derived from resins (pitch). The method consists in mixing talc and a lipase...
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WO/1995/006157A1 |
Process for repulping wet strength paper containing at least one wet strength resin in which the initial breakdown of the paper is conducted at a first pH and the substantial completion of the conversion to fibers is conducted at a secon...
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WO/1995/005504A1 |
Repulping and/or decolorizing formulations and mixtures which include a catalytic amount of a salt of a metal such as copper, iron, silver, or nickel; a persulfate; and from 0-10 % saccharide. Formulations containing a carbonate, sesquic...
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WO/1995/004131A1 |
A method of bleaching pulp using a microbe SKB-1152 strain, which is a lignin-decomposing bacterium having a high lignin-decomposing activity and a high activity of high-temperature pulp bleaching, or a product of culturing the microbe. ...
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WO/1995/004187A1 |
Deinking of printed paper is accomplished by defibering printed wastepaper (1) to produce a pulp medium and contacting the pulp medium with an aqueous medium containing a deinking chemical (2) wherein the presence of the deinking chemica...
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WO/1995/004186A1 |
An improved method of processing baled waste material by enclosing the bale within a closed chamber (12) and subjecting the chamber and contained bale to multiple pressure environmental conditions, while submerging the bale in a debondin...
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WO/1995/002017A2 |
The invention concerns water-based printing inks for paper-printing processes, in particular flexo and/or gravure processes, the inks containing finely dispersed pigments and binders based on sysnthetic polymers, plus, if required, other...
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WO/1995/001426A1 |
This invention relates to methods of oxidizing a substrate in the presence of a laccase or a laccase related enzyme and an enhancing agent. More specifically, the invention relates to a method of bleaching of dye in solutions, to a metho...
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WO/1995/000343A1 |
A paper recycling system for removing ink or toner deposits by ablation with a beam from a laser (10). A paper feeder (28) delivers documents to a pre-processor (32), where a bit map of the deposits is made through optical scanning, and ...
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WO/1995/000439A1 |
The invention relates to the use of dialdehydes and acetals thereof for inhibiting decomposition of peroxide in the production and the treatment of recycled fiber pulp and other fiber pulp.
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WO/1995/000700A1 |
Method and apparatus for deinking wastepaper using a mist of fine droplets of molten fatty acid added directly to the pulper (12).
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WO/1995/000699A1 |
A collector that is intended to be used at deinking of waste paper according to the flotation process. The collector includes a polyester obtained through reaction between polyalkylene glycol, di and/or tricarboxylic acid and/or anhydrid...
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WO/1994/029425A2 |
A multicomponent system for use in detergent substances consists of oxidation catalysts and suitable oxidizing agents and aliphatic, cycloaliphatic, heterocyclic or aromatic compounds containing NO, NOH or (A).
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WO/1994/029510A1 |
The present invention pertains to a process for modifying, breaking down or bleaching lignin, material containing lignin or like substances using oxidation catalysts and suitable oxidizing agents wherein these catalysts are used in combi...
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WO/1994/028238A1 |
The removal of hydrophilic flexographic inks from a pulp fiber slurry in a flotation or flotation/wash deinking system is accomplished by using a combination of (a) a fatty acid or salt thereof, (b) a rosin acid or salt thereof, and (c) ...
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WO/1994/028236A1 |
A process for the production of a waste-based cellulosic pulp useful for the manufacture of paper and paperboard whether used in admixture with virgin pulp or as the sole pulp component, comprising the steps: a) digesting a waste cellulo...
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