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WO2000014284A9 |
Leather footwear is provided having an inorganic antimicrobial material to attack bacteria and prevent odor. The inorganic material contains an antibiotic metal in particle form, such as antimicrobial zeolite, that is embedded in the lea...
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WO/2000/046409A1 |
THP and chrome are synergistic tanning agents. The combination of THP with small amounts of chrome and optionally non-ionic and/or cationic surfactants gives increased area yield and shrink temperature compared with THP, and reduced envi...
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WO/2000/040761A1 |
A leather tanning drum consists of a main cylindrical body in polymeric material in which a plurality of cavities, or pockets, are longitudinally arranged along the internal surface of the main body, said longitudinal cavities being conn...
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WO/2000/035781A2 |
The invention relates to a device for advancing leather and the like in the area of a processing station, especially of the type equipped with an applicator roller (FW) which rotates in a direction opposite the advance direction, which a...
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WO/2000/030847A2 |
A laminate for manufacturing protective apparal comprising a liquid water resistant and water vapor permeable functional layer (40) and at least one leather layer (30) having an outer surface (90) and an inner surface (80), wherein the l...
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WO/2000/029490A2 |
The aim of the invention is to provide a coating for skis and snowboards as well as a coating compound for producing the coating which is suitable for use in a wide range of snow and weather conditions and easy to apply. To this end the ...
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WO/2000/029627A1 |
The invention concerns a method which consists for pieces of a specific type, for example leather pieces, in: producing a mask whereof the surface is divided into various zones corresponding to different value levels of a characteristic ...
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WO/2000/029457A1 |
The invention concerns a method for preparing fluorinated polymers by polymerisation in a mini-emulsion of a mixture of fluorinated and non-fluorinated monomers in the absence of organic solvent. Said polymerisation method enables to obt...
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WO/2000/029489A1 |
The invention relates to an aqueous composition for the production of low energy coatings, and to methods for the production of said composition and a corresponding coating. An aqueous collodial dispersion with colloid particles containi...
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WO/2000/024528A1 |
The present invention relates to in situ polymerization of fluoropolymer into porous substrates, to improve resistance to wear, tear and creep, decay, and degradation by wetting, staining and warping, and to improve durability while main...
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WO/2000/022948A1 |
Process for waterproofing leather (1), which comprises pressing on the internal surface of the leather (1) at least one semi-permeable membrane (2) whose surface contacting the leather (1) is provided with a glue pattern. The glue patter...
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WO/2000/015529A1 |
Apparatus (1, 1') for the collection, distribution and storage of flexible laminar elements, in particular of industrial hides (P) during various phases of their production, including a first support unit (2) and a second hide handling u...
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WO/2000/014138A1 |
The invention relates to reactive substances (reactive binding agents) based on compounds containing isocyanates and polyols with an extended pot life at room temperature and high reactivity at high temperatures. The invention also relat...
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WO/2000/009762A1 |
A coated leather which is excellent in stain removability and solvent resistance and has cold resistance and flexing fatigue resistance comparable to those of conventional urethane-coated leathers. The leather has a coating film obtained...
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WO/2000/005420A1 |
The invention relates to the dehairing or dewooling (depilating) of animal pelts, hides or skins, more specifically to depilatory paint and depilatory paint (depilation paint) thickener used in the depilation process in for example fellm...
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WO/2000/000777A1 |
A stabilised high vacuum drying installation for industrial hides and similar products includes a plurality of drying beds (2, 2', 2'') with heating platforms (3, 3', 3'') and hermetic covers (4, 4', 4''), vacuum means (7) connected to t...
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WO/1999/066081A1 |
The invention relates to a device for fleshing, stretching and drying leather or similar flat materials such as skins, furs or such like. The main disadvantage of the prior art lies in the construction-related friction forces which preve...
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WO/1999/058728A1 |
The object is to provide a water/oil repellent composition which can simultaneously perform a water/oil treatment and a polishing treatment to leather products such as leather shoes, etc., by using one water/oil repellent composition, an...
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WO/1999/057327A1 |
Automatic installation (10) for treating belts and strips (36) generally of leather or synthetic material and the like, comprising in a continuous processing line all, part or various combinations of machines (15, 20, 170) and means (115...
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WO1999041989A9 |
Disclosed is a novel method and system for dehairing an animal, providing a system for recycling and safely disposing of chemical and biological wastes produced during such dehairing method. Included in such method are processes for hand...
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WO/1999/053104A1 |
The invention relates to the use of polymers containing n-vinyl units, obtained by radically initiated polymerization of a monomer or a monomer mixture consisting of (A) 5 to 100 wt.% n-vinylamides or n-vinylamines; (B) 0 to 95 wt.% mono...
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WO/1999/046989A1 |
Foaming of synergistic biocidal mixtures of tetrakis(hydroxymethyl)phosphonium salts and surfactants is controlled by a C¿10-20? acetylenic diol.
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WO/1999/044424A1 |
Microbicidal compositions containing synergistic combinations of propiconazole, (RS)- 1-2-[(2, 4-dichlorophenyl)-2- propyl-1,3-dioxanlan- 2ylmethyl]-1H-1,2, 4-triazole, and 2-mercaptobenzothiazole or alkali metal salt thereof are describ...
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WO/1999/039045A1 |
The invention relates to aqueous compositions, comprising calcium ions and metal ions selected from the group comprising Cu, Fe, Zn, Ni and Co, and a specific complexing agent and applications for these aqueous compositions.
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WO/1999/028509A1 |
The patent is intended for the field of leather processing technology for making shoes, clothing and other purposes. Flat belt (1) serves to insert leather into the machine. Belt rotation is carried out through rollers (3, 4, 5 and 6). P...
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WO/1999/023261A1 |
Leather is tanned by cross-linking collagen with tris(hydroxymethyl)phosphine or a condensate of a tetrakis(hydroxymethyl)phosphonium salt with an amide or amine in a main tannage or retannage.
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WO/1999/019408A1 |
The invention concerns an oxinitrided composition based on an alkaline earth and at least one element selected between tantalum and niobium, characterised in that it has a global composition corresponding to formula (1): A¿1+y?M¿1-y?OÂ...
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WO/1999/016958A1 |
Certain anionic polyurethanes are excellently suited for use as binding agents for coating, dyeing and printing textiles and leather. Said polyurethanes are biodegradable. The residual and wash liquors left over from the dyeing process c...
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WO/1999/014380A1 |
The present invention provides a fluorochemical composition for the treatment of leather, comprising (a) a reaction product of (i) a polydiene grafted with an ethylenically unsaturated dicarboxylic acid anhydride and (ii) a fluorochemica...
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WO/1999/012432A1 |
The invention relates to impregnated salts, containing at least one salt of one or several organic carboxylic acids in which 0.5 to 30 wt. % of at least one organic carboxylic acid has been incorporated in relation to the carboxylic acid...
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WO/1999/011693A1 |
The present invention provides methods for the polymerization and functionalization of hydroxy fatty acids to provide surface active agents. The surface active agents can be nonionic, cationic, anionic or amphoteric polymeric surface act...
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WO/1999/011548A1 |
An apparatus for loading and unloading leathers, or similars, on, or from, airchain conveyors equipped with horizontal hanging rods, comprises a table, including means for bidirectionally dragging the leather, inclinable, in the whole or...
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WO/1999/010543A1 |
A process and apparatus for the treatment of hides and skins (3). The hide or skin is placed on a support (1,2) and sealed to the support around the edges of the skin or hide. A treatment liquor is then supplied under pressure betwen the...
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WO/1999/006460A1 |
The invention relates to latent cross-linking aqueous polyurethane dispersions containing I) a dispersed phase(P.1) containing Ia) a polyurethane carrying carbodiimide groups in addition to hydrophilic groups causing water dispersibility...
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WO/1999/006459A1 |
The invention concerns aqueous dispersions containing a polyurethane (1) containing carbodiimide building blocks of formula (I): -N=C=N-.
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WO/1998/056959A1 |
The invention relates to the use of mercapto-pyridine-N-oxide and/or its alkaline and alkaline earth salts, and its metal complexes for preserving animal skins and leather.
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WO/1998/055401A1 |
The invention concerns a compound based on titanium, cerium and alkaline or earth-alkaline, its preparation methods and use as colouring pigment, characterised in that it corresponds to formula (1) M�x?Ce�y?Ti�z?O�t? in which M r...
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WO/1998/050617A1 |
The invention relates to a thermoplastic composite material containing an organic fibrous material and a mixture of two or more organic fibrous materials and a thermoplastic binder. The inventive composite material has a flow transition ...
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WO/1998/046711A1 |
The invention relates to a method for producing sulfated fatty acid esters with a reduced electrolyte content, whereby a) unsaturated fatty acid esters are saturated with low alcohols or glycerin with sulfuric acid or fuming sulfuric aci...
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WO/1998/045345A1 |
The present invention provides a fluorochemical composition comprising one or more condensates of (i) a methylolated amine or an alkoxylated derivative thereof, (ii) a hydrocarbon compound selected from an alcohol, a thiol, an amide or a...
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WO/1998/045483A1 |
Hides are tanned by stretching the hide to open its structure to allow passage of the tanning fluids. The hide is stretched in a frame, and an open chamber is sealed to the periphery of the hide. Fluid pressure within the chamber forces ...
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WO/1998/045526A1 |
The invention relates to the synthesis of fluorinated copolymers, and is intended for use in the hydrophobic and oil repellent treatment of textiles and leather. It specifically concerns a fluorinated copolymer solution in a hydrocarboni...
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WO/1998/044127A1 |
The present invention provides genes encoding variants of metallo-endopeptidases that have been engineered to be resistant to prolonged boiling while having maintained their enzymatic performance at much lower temperatures. In addition, ...
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WO/1998/042877A1 |
The invention relates to condensation products carrying carboxyl groups containing phenols and carbonyl compounds with a tanning and retaining effect. The leathers produced therewith are biologically degradable.
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WO/1998/039488A1 |
Polymers based on methoxy(polyethyleneglycol)methacrylate are suitable for feeding leather with oil.
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WO/1998/039489A1 |
The invention relates to the use of alkyl glycol diester sulphation products in the production of novel fat-liquoring agents for leather and furs. Said agents provide leather with increased smoothness and enhanced hydrophobing. They are ...
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WO/1998/038340A1 |
The invention relates to a method for producing leather which is both completely biologically degradable and fully wear resistant by means of: I) (pre)tanning using tanning agents containing aldehydes or carbomoyle sulfanate groups, II) ...
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WO/1998/038341A1 |
A composition contains (A) one or several aromatic sulphonates; (B) one or several aldehyde resins; and (C) a buffer. Also disclosed is the preparation of this composition and its use for treating, in particular neutralising, leather tan...
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WO/1998/037245A1 |
The invention relates to the rapid exchange of membranes for vacuum-stretch and/or drying machines for use in the leather industry, which saves both the machine operator and the membrane producer considerable amounts of time, labour and ...
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WO/1998/030746A1 |
The invention concerns a process for cleaning soiled material to be washed, for example feathers or leather, the material to be washed being brought into contact with an aqueous detergent-containing liquor and then rinsed at least once w...
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