| Document |
Document Title |
|
WO/1998/001617A1 |
Methods for inhibiting the deposition of organic contaminants from pulp in pulp and papermaking systems are disclosed. Albumins, globulins or blends thereof and spray-dried animal blood cells are added to the pulp or sprayed onto deposit...
|
|
WO/1997/048730A1 |
Convenient methods for processing a bacterial cellulose whereby various properties of the bacteria cellulose can be restored even after it is once dried. A method for processing a bacterial cellulose is characterized by disintegrating a ...
|
|
WO/1997/048850A1 |
Inks are removed from printed media by: (i) forming a pulp slurry containing the printed media and water, (ii) adding an alkaline earth metal tallate dispersion to the slurry and (iii) subjecting the slurry to flotation deinking in a flo...
|
|
WO/1997/048493A1 |
The present invention provides an apparatus and method for decontaminating aqueous paper pulp, the apparatus comprising a decontaminating cell (12). The decontaminating cell (12) has an upper light contaminate collection hood (30) and/or...
|
|
WO/1997/046753A1 |
To provide a deinking process according to which bulkier pulp sheets excellent in paper strength, printability, etc. can be obtained. In a deinking process at least comprising the step of stripping ink from wastepapers as the starting ma...
|
|
WO/1997/046754A1 |
To provide a deinking process according to which good-quality pulp sheets free of sad color can be obtained. In a deinking process at least comprising the step of stripping ink from wastepaper as the starting material and the step of rem...
|
|
WO/1997/045186A1 |
The present invention is directed to novel alkyl glyceryl ether disulfonate compositions (ADEDS), alkylphenol polyethoxy sulfate-sulfonates, and ethoxylated alkyphenol sulfonates, and novel methods of preparation and uses thereof.
|
|
WO/1997/044519A1 |
Compositions and methods for inhibiting the deposition of organic contaminants from pulp in pulp and papermaking systems are disclosed. The methods add to the pulp or to the deposition prone surface of the papermaking system a compositio...
|
|
WO/1997/044185A1 |
Apparatus for recycling office waste paper and the like of the type having ink and laser print particles coated thereon. The apparatus (200) includes two screw shafts (212, 214) disposed in substantially parallel relationship within a ho...
|
|
WO/1997/040087A1 |
A process is disclosed for preparing water-soluble, carboxyalkylated, amino group-containing polymers by reacting water-soluble, amino group-containing polymers with at least one aldehyde and one alkaline cyanide or with a cyanhydrin fro...
|
|
WO/1997/040194A1 |
The present invention comprises a method for altering the structure or composition of wood which method comprises adding to compressed wood a medium comprising a structure-altering or composition-altering effective amount of at least one...
|
|
WO/1997/038158A1 |
A method for repulping high kappa wet strength broke using persulfate, pH adjuster, metal catalyst, and an effective surfactant. A formulation containing persulfate, pH adjuster, metal catalyst and a nonionic or anionic surfactant.
|
|
WO/1997/037007A1 |
An enzyme multimer is provided which comprises a plurality of monomer units including a first monomer unit having enzymatic activity and a second monomer unit having enzymatic activity, wherein each of the first monomer unit and the seco...
|
|
WO/1997/036039A1 |
This invention concerns a multicomponent system for changing, degrading or bleaching lignin, lignin-containing materials or similar substances and processes for its use, containing a) optionally, at least one oxidation catalyst and b) at...
|
|
WO/1997/036041A1 |
This invention concerns a multicomponent system for changing, reducing or bleaching lignin, lignin-containing materials or similar substances containing a) optionally, at least one oxidation catalyst and b) at least one suitable oxidant ...
|
|
WO/1997/036050A1 |
A repulpable wax containing paper product consists essentially of a hot melt formulation with an effective amount of an inorganic mineral filler such as clay. The inorganic mineral filler is in an amount which permits the article coated ...
|
|
WO/1997/033036A1 |
An improved process is disclosed for deinking waste paper which contains laser, electrostatic, and other non-impact printing toners/inks to produce high quality (high brightness, little to no dirt content) pulp with little or no fiber lo...
|
|
WO/1997/032077A1 |
The invention relates to a process for sanitizing post-consumer wastepaper fibers for liquid packages and containers, a paper product for food packaging and a liquid food container. The process comprises providing paper fibers from a was...
|
|
WO/1997/032076A1 |
Chemical system that makes it possible in a cost effective and environmentally friendly way to deink waste paper at a lower pH than required in present methods, but with retained efficiency and quality. This has been obtained by a chemic...
|
|
WO/1997/032013A1 |
The present invention relates to an enzyme with galactanase activity, a DNA construct encoding the enzyme with galactanase activity, a method of producing the enzyme, an enzyme composition comprising said enzyme with galactanase activity...
|
|
WO/1997/032075A1 |
The method of the invention involves treating cellulosic vegetable matter (the "Feed Stocks") for the selective recovery of lignin (when present in the feed stock), cellulose and hemicelluloses by: (1) reducing the material to be process...
|
|
WO/1997/030206A1 |
There is disclosed a method for recovering fiber from printed wastepaper by loading the wastepaper and water into a continuous batch fiber recovery apparatus. The wastepaper and water are agitated within the apparatus to form a pulp fibe...
|
|
WO/1997/029237A1 |
A process for production of a lignocellulosic material modified by conjugation thereto of a phenolic substance comprising a substituent which, in the conjugated form of the phenolic substance, is, or may become, negatively or positively ...
|
|
WO/1997/028257A1 |
A novel polyphenol oxidase is produced extracellularly by bacteria, particularly from the genus Bacillus. The enzyme is useful for bleaching and oxidizing a variety of substrates.
|
|
WO/1997/028306A1 |
Process for the production of cellulose paper pulps from vegetable masses, comprising the steps of mixing and conditioning a vegetable mass suitable to form a culture medium with an inoculum constituted of edible ligninolythic mushrooms,...
|
|
WO/1997/027363A1 |
Sanitary paper with improved softness (lower stiffness) can be obtained without significant loss of paper strength by using a papermaking pulp which is treated with a certain type of cellulase component. The cellulase component in questi...
|
|
WO/1997/027293A1 |
The present invention relates to an enzyme with xylanase activity, a DNA construct encoding the enzyme with xylanase activity, a method of producing the enzyme, an enzyme preparation comprising said enzyme with xylanase activity, a deter...
|
|
WO/1997/027306A1 |
The present invention is related to an improved production of bacterial proteins in filamentous fungus, e.g. in Trichoderma and Aspergillus. The improvement is achieved by constructing expression vectors, which comprise the bacterial pro...
|
|
WO/1997/027291A1 |
The present invention relates to an enzyme with xylanase activity, a cloned DNA sequence encoding the enzyme with xylanase activity, a method of producing the enzyme, an enzyme preparation comprising said enzyme with xylanase activity, a...
|
|
WO/1997/026401A1 |
The invention relates to a process for producing pulp, from raw lignocellulosic material based on annual or perennial plants, or residues of such plants. The process comprises impregnating said raw material with an aqueous soda solution ...
|
|
WO/1997/026408A1 |
The invention relates to a procedure for the marking of paper and detection of marked paper for sorting when the paper is recycled, in which procedure a chemical tracer corresponding to the number of times the pulp has been used in the p...
|
|
WO/1997/026403A1 |
The invention relates to a process of environmentally friendly production of pulp from herbaceous plants or the like by subjecting the plants to formic acid cooking and if desired to bleaching with oxidizing bleaching chemicals. The inve...
|
|
WO/1997/026405A1 |
Enhanced removal of ink in the froth flotation deinking of waste paper is provided by carrying out the flotation with one or more dialkoxylates of certain cyclohexenyl diacids, one or more alkoxylates of C2-12 polyhydric alcohols, or a m...
|
|
WO/1997/022751A2 |
A process for removing oil-based inks and/or waterborne inks under slightly acidic, neutral or alkaline conditions by using either a flotation technique and/or a washing technique by using a novel deiking agent having a quartenized nitro...
|
|
WO/1997/022691A1 |
Enzyme compositions containing thermostabile xylanases of Chaetomium thermophilum, purified enzyme preparations of such xylanases, and the use of such compositions and preparations in the bleaching of plant pulp and in feed and baking ap...
|
|
WO/1997/022750A2 |
This invention relates to a process for the deinking of office wastepaper stocks which comprises: a) converting the wastepaper to a pulp, b) contacting the pulp with an aqueous medium of alkaline pH containing between 0.05 and 2 percent ...
|
|
WO/1997/022692A1 |
DNA encoding novel xylanases, vectors containing such DNA, hosts transformed with such DNA, enzyme preparations, and the use of such preparations are described.
|
|
WO/1997/021734A1 |
Methods and apparatus are provided for the recovery of organic compounds from fibrous plant materials. Organic compounds which can be recovered from the fibrous plant materials include plant metabolites, such as arabinogalactan and pheno...
|
|
WO/1997/020920A1 |
A novel purified xylanase produced by Acidothermus sp. is disclosed having a pH optimum of between about 3.6-4.2 and a molecular weight of between about 50-55 kD as determined by gel filtration. The disclosed xylanase is useful in the bl...
|
|
WO/1997/020102A1 |
A method for continuously preparing cellulose pulp, in particular for use in the chemical or paper industry, from a raw material consisting of textile fibres. The method comprises separating the textile fibres from foreign matter, contin...
|
|
WO/1997/019221A1 |
The invention concerns a method of obtaining cellulose fibre material from a plant substrate containing calcium pectinate, the plant substrate being solubilized by using trisodium phosphate and optionally bleached. The method is characte...
|
|
WO/1997/019198A1 |
Soft, bulky, absorbent paper containing at least 20 percent by weight of a high-temperature chemithermomechanical pulp (HT-CTMP), calculated on the total fibre weight. The paper also contains at least 10 percent by weight pulp that exhib...
|
|
WO/1997/018348A1 |
A process for reducing the ash content of fiber while simultaneously removing ink from the fiber comprising the steps of: (a) forming a slurry by pulping paper containing inks in an aqueous medium including one or more nonionic surfactan...
|
|
WO/1997/015711A2 |
Paper products such as bathroom tissue, facial tissue, napkins and paper towels are made from high coarseness fibers such as recycled newsprint fibers, CTMP, TMP, and groundwood. These products exhibit premium level qualities in terms of...
|
|
WO/1997/014844A1 |
Mixtures of C8 to C22 alpha-olefin sulfonates and alkyl ether sulfates of the formula: RO-(CH2CH2O)1-4SO3Na where R is C8-C18 alkyl, with one or more of alkoxylates of C1-C10 alcohols, dialkoxylates of certain cyclohexenyl diacids, or pr...
|
|
WO/1997/013917A1 |
This invention related to a process for the deinking of office wastepaper stocks which comprises: a) converting the wastepaper to a pulp, b) contacting the pulp with an aqueous medium of alkaline pH containing between 0.05 and 2 percent ...
|
|
WO/1997/013025A1 |
The present invention relates to the use of certain Basidiomycette fungi, in particular, white rot fungi, such as Phlebia tremellosa, Trichaptum biforme, Schizophyllum commune, and Phanerochaete gigantea, in preconditioning wood or pulpw...
|
|
WO/1997/010352A1 |
Bacteria which produce large amounts of cellulase, as well as other enzymes, have been identified. The original bacterium (ATCC 55703) was genetically altered using nitrosoguanidine (MNNG) treatment to produce the enhanced cellulase prod...
|
|
WO/1997/006668A1 |
A method of detecting environmental stress in plants, particularly water stress in cotton plants is based on a cold water extraction of plant tissues such as cotton fibers. The extract is analyzed by high pH anion exchange chromatography...
|
|
WO/1997/006244A1 |
A method of enhancing the activity of an enzyme, comprises adding to the enzyme, as a mediator for enhancing the activity of the enzyme, a compound having formula (1) in which A is a (hetero)aromatic residue; X is an -N=S or an -N=O grou...
|
