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Matches 1 - 50 out of 3,942

Document Document Title
WO/2019/048480A1
The invention relates to a method for manufacturing a lignin- modified polyphenolic product to be used in the treatment of leather or skin, comprising the steps of: [1] reacting a hydroxybenzene compound, optionally in a mixture comprisi...  
WO/2019/051320A1
Leather and similar materials are formed using graduated molds. A solvent is applied to the leather to saturate the leather. The saturated leather is put through a series of molds, each being more pronounced than the previous. An elastom...  
WO/2019/042952A1
An inkjet printing method on natural leather by a digital leather printer comprising the steps:providing a hide (402), having an edge, on a rigid support (107) for obtaining a flat decoration area of the hide (402); fastening the hide (4...  
WO/2019/043001A1
The invention relates to a method for conveying and dosing small damp leather pieces into a reactor, to the use of a tube chain conveyor for conveying such leather pieces, to a device for treating small damp leather pieces, comprising a ...  
WO/2019/038691A1
The present invention relates to a method for tanning an animal skin comprising the steps of: (a) placing said animal skin in contact with a first tanning bath comprising at least one dialdehyde with the general formula (I) 0=CH- (CH)n-H...  
WO/2019/036878A1
Provided is a leather polishing agent, comprising the following components in parts by weight: 12-14 parts of nitromethane, 10-15 parts of isopropyl alcohol, 20-25 parts of glycerin, 3-5 parts of oleic acid, 2-4 parts of sulfuric acid, 1...  
WO/2019/036879A1
Disclosed is a leather preservative, comprising the following components in parts by weight: 12-14 parts of difluorotetrachloroethane, 10-15 parts of ethyl acrylate, 10-12 parts of acrylonitrile, 3-5 parts of rice bran wax, 13-15 parts o...  
WO/2019/013869A1
A method and apparatus for grading leather based upon the size and spacing of the breaks in the leather. All or a portion of a hide is fed to a fixture that compresses a local area of the hide into a concave shape. The outer side of the ...  
WO/2019/012913A1
This reptile skin product has, sequentially laminated on the grain of a reptile skin, a middle layer containing a polyester polyurethane and a surface layer containing nitrocellulose. The reptile skin preferably contains a hexavalent chr...  
WO/2019/008510A1
A method for adjusting the formula parameters of a drumming cycle of leathers comprising the operations introducing into a cylindrical barrel, belonging to a tannery rotary drum, a plurality of leathers to be drummed in a given drumming ...  
WO/2019/002404A1
An apparatus and a method for fixating a stretched pelt on a pelt board by means of a tubular plastics sleeve, which has two outwardly extending flanges. The pelt has a substantially tubular shape, which defines an inwardly orientated le...  
WO/2019/002246A1
A process for tanning animal hides comprising the steps of: providing a container comprising a pickled hide, a tanning agent and optionally an aqueous solution, where the total amount of water in the container is no more than 110% of the...  
WO/2018/234507A1
The present invention relates to a method for making a leather laminate having a textured surface, and leather laminates made by this method. The laminates comprise a leather layer bonded to a reinforcing fabric with an adhesive, the rei...  
WO/2018/216029A1
Disclosed herein is a dispersing agent composition essentially comprising alkali metal salt of organic acid, diatomaceous earth derivatives and lyotropic agent suitably modified. The composition finds application in leather processing in...  
WO/2018/213907A1
The invention relates to a method for processing plant material for converting such material into a product with leather-like properties. The method claimed herein comprises chemical processing, or tanning, of the plant material to conve...  
WO/2018/212651A1
The present invention relates to a condensation polymer of sulfonated phenol, urea, and formaldehyde, wherein sulfonated phenol contains ortho phenol sulfonic acid and para phenol sulfonic acid in a molar ratio of 2: 1 to 1:5. The presen...  
WO/2018/203199A1
The cutting device (100) comprises an oscillating chamber (1); an oscillating piston (10) predisposed with the head (13) thereof in the oscillating chamber (1) and with the rod (14) connected to a cutting blade (L); a pneumatic activatin...  
WO/2018/201431A1
A method for use in manufacturing a sheepskin fabric, comprising manufacturing processes of cleaning, depilating, deodorizing and degreasing, layering, curing, firing, pressing, softening, preventing corrosion of and dyeing sheep skin. T...  
WO/2018/195234A1
A process for preserving raw/fresh hides and skins is disclosed. In one embodiment, the hides and skins are treated with an antimicrobial composition containing a pyrithione, a zinc source, and an organic amine, such as an alkanolamine.  
WO/2018/193384A1
A method for obtaining fireproof leather of animal origin is described, comprising the steps of stabilizing the pH of the leather through a buffer solution, treating the leather with a solution of synthetic tannins, washing with water an...  
WO/2018/189044A1
A manufacturing method for decorating natural leather with a decorative image including the steps of: applying on a crusted leather (45) a base coat (44) containing a pigment for providing a chromatic colour or an achromatic colour diffe...  
WO/2018/189002A1
A manufacturing method of decorated natural leather including the steps of: applying a base coat (44) on crusted leather (45); inkjet printing (4) a decorative image (8) on the base coat (44) using one or more pigmented inkjet inks; and ...  
WO/2018/185706A3
The present invention introduces natural and environmentally acceptable (friendly) chemical compositions for fire-fighting liquids and additives, as well as additives for enhanced oil recovery, oil & gas operation facilities and ships, o...  
WO/2018/177442A1
Disclosed in the present invention are an extra-long cowhide collagen fiber and a manufacturing method and use thereof. According to the present invention, a wet-blue cowhide is pretreated, extruded twice and washed, and then undergoes p...  
WO/2018/172837A1
An improved drum for the milling treatment of the leathers comprising a bearing frame (2) resting on a reference surface of an industrial factory, a movable hollow body (3), coupled with the bearing frame (2) and made of at least partly ...  
WO/2018/163621A1
A powdery composition for hexavalent chromium treatment includes a hexavalent-chromium-reducing compound component capable of reducing hexavalent chromium to trivalent chromium, and a component capable of trapping the moisture in air and...  
WO/2018/162534A1
A cutting device (1) for processing animal skins contains an elongate cylindrical body (2), which has at least one elongate, helical groove (11) on its outer lateral surface (9), said groove receiving a fastening portion (5) of a helical...  
WO/2018/164607A1
The utility model relates to light industry and may be used in manufacturing and trimming clothes, shoes, head coverings, accessories, household textiles, jewellery, etc.made from natural fur, particularly fur obtained from precious fur-...  
WO/2018/158252A1
A pelt board bag for use in combination with a pelt board for the tanning and drying of a pelt applied externally to the pelt board bag comprises a pair of oppositely positioned and substantially coextensively extending, elongated sheets...  
WO/2018/158657A1
The invention concerns a method for producing imitation leather or upgraded leather (1) comprising a laminar support (9) and an upgrading layer (F), comprising the following steps: applying a layer (10) of a synthetic substance (11) to a...  
WO/2018/129597A1
The apparatus comprises a vertically arranged dyeing head (1) having a dyeing shaft (4) connected to a motor (2) through a coupling (3). Said dyeing head (1) comprises said dyeing shaft (4) and an eccentric pump (5), having a common rota...  
WO/2018/132736A1
Use of probiotic technology to support tanners to reduce waste and increase the value of by-products reducing the need of synthetic chemicals, improving the quality of effluents and reducing the carbon footprint to the environment. Probi...  
WO/2018/127637A1
The invention relates to a method for automatically modifying the cutting trajectory for parts intended to be cut from a flexible material by automatically moving a cutting tool in accordance with predetermined cutting trajectories, the ...  
WO/2018/112937A1
Provided is a leather maintenance agent, comprising, per 100 parts, 3-5 parts of dimethyl silicone oil, 5-10 parts of oxidized polyethylene wax, 0.1-0.5 parts of lemon flavoring, 5-10 parts of sodium lauryl sulfate, 5-10 parts of an anti...  
WO/2018/112936A1
Provided is a complex plant fiber cleaning agent, comprising, per 100 parts, 3-5 parts of dimethyl silicone oil, 5-10 parts of oxidized polyethylene wax, 0.1-0.5 parts of lemon flavoring, 5-10 parts of sodium lauryl sulfate, 5-10 parts o...  
WO/2018/108595A1
The invention relates to a method for producing hydrophobising leather treatment agents, containing the steps: a) radically initiated copolymerisation of i) at least one ethylenically unsaturated carboxylic acid or derivatives thereof, a...  
WO/2018/104968A1
The invention provides a novel tanning composition for tanning and pre-tanning of leather comprising one or more silicate, glutaraldehyde, a synthetic sulfone syntan and an aldehyde syntan and process of pre-tanning using the said compos...  
WO/2018/087786A1
This invention relates to a method for creating a design on a sheet of leather, a method that includes the following stages: Developing the design for using a laser to remove a surface layer of the leather, the removed thickness of which...  
WO/2018/086250A1
Disclosed is a poly-octavinyl polyhedral oligomeric silsesquioxane-acrylic acid nano composite auxiliary agent for leather. The preparation method for the auxiliary agent comprises: mixing octavinyl polyhedral oligomeric silsesquioxane, ...  
WO/2018/086247A1
Disclosed are a nano-composite fatliquor based on synergistic anti-mould of an alkyl glycoside and a nano-silver, and a preparation method therefor. The method comprises the following steps: adding alkyl glycoside and a sodium borohydrid...  
WO/2018/082753A1
Application of pinning sleeves (10), be it tube shaped pinning inner sleeves of paper, or tube shaped coat holding pinning sleeves of plastic onto upright standing pelt boards (4) in e.g. a drying wagon (2) represents a work environmenta...  
WO/2018/082754A1
Applying of pinning sleeves (10) be it tube shaped pinning inner sleeves of paper or tube shaped coat holding pinning sleeves of plastic onto upright standing pelt boards (4) in e.g. a drying wagon (2) represents a work environmental wor...  
WO/2018/077702A1
A ribbing process (10), particularly for providing leather coverings, comprising the steps of: – applying (12) a covering material (32) on a template (34) that comprises a plurality of longitudinally extended seats (40), – inserting ...  
WO/2018/073010A1
Process for making leather, wherein Methoxy-3,4-Dihydro-2H-pyran (MOP) is used as a tanning agent.  
WO/2018/032026A1
The invention relates to a method for producing a leather (1) having an electronic layer (3), comprising a leather layer (2) made of an animal skin, wherein in at least one functionalizing step, functional elements (5) are applied to a l...  
WO/2018/025210A1
Use of olive mill waste waters (OMW) in at least one step of the leather tanning process in the tanning industry is described. Preferably, said olive mill waste waters are used as bactericides, tanning agents, or tanning adjuvant agent a...  
WO/2018/025155A1
Described is a two-layer finishing product (10) for the surface finishing of leather, fabrics, paper or microfibre comprising a transparent adhesive layer (2), a polymer layer (1). The transparent adhesive layer (2) is configured to pene...  
WO/2017/220435A1
Use of 2,4-dihalo-6-substituted-1,3,5-triazines as condensing, cross-linking, tanning, grafting, curing agents for the production of amides, esters, thioesters, and stabilized collagen and leather, CMC (carboxymethyl cellulose), syntheti...  
WO/2017/215773A9
The present invention refers to a process for tanning, pretanning or retanning leather comprising the steps of: a) providing leather stock, tanned or pre-tanned leather b) treating the leather or leather stock of step a) with an aqueous ...  
WO/2017/216111A1
The present invention relates to a process for producing leather in which methanesulfonic acid (MSA) is used in the pickling step at a high pH value, and the use of MSA is to improve the quality of the final leather product as well as to...  

Matches 1 - 50 out of 3,942