C14C11/00

LEATHER MATERIAL, COMPOSITION FOR FORMING TOP COAT OF LEATHER MATERIAL, AND METHOD FOR PRODUCING LEATHER MATERIAL

Provided is a leather material comprising a top coat having at least one layer on a leather substrate, wherein at least one of the layer contains a polycarbonate polyurethane resin, a polyester polyurethane resin, and a polyether polyurethane resin.

USE OF NON-IONICALLY STABILIZED WATERBORNE ANTISOIL COATINGS FOR AUTOMOTIVE LEATHER
20210010097 · 2021-01-14 ·

A leather finishing composition includes water, a polymeric component, and a non-ionic surfactant component covalently bonded to the polymeric component. Advantageously, the leather finishing composition is substantially free of ionic groups. A method for applying the leather finishing composition to a leather substrate is provided.

Method of edge imprinting of leather substrates
10870897 · 2020-12-22 · ·

The present invention relates to a method for enhancing leather edge imprinting. More particularly, the present invention relates to transferring the print from the transparent paper to the edges of a material. Further, the present invention enables in tailoring the designs or written logos on the edge surface for desired applications. The method [100] for imprinting a pattern on edges of a leather substrate comprises of steps with pattern imprinted on the edge across the perimeter of the leather substrate. The pattern comprises one or more customized colors, text, names, company brands, slogans, patterns, images, graphics, photographs, logos, advertisements, or a combination thereof. Advantageously, the present invention effectively saves time and material wastage.

CHROME-FREE LEATHER RETANNING
20200385825 · 2020-12-10 ·

A method for forming chrome-free retanned leather including: (a) contacting wet white (chrome-free tanned hide) with a retanning mixture comprising from 2% to 15%, by solids weight, based on the wet weight of the wet white, of an amphoteric polymer composition comprising amine functional units and acid functional units; and (b) applying a polymeric overcoat containing an acrylic copolymer with one or more metal transition elements, with a thickness of no greater than 100 microns, to the retanned wet white, is provided. The present invention also provides a chrome-free retanned leather formed by the method.

DNA MARKING OF LEATHER
20200385824 · 2020-12-10 ·

The present invention relates generally to a system and method of tracking leather raw materials through the supply chain to create a source verifiable finished leather product through one or more applications of DNA taggants during the leather manufacturing process and the subsequent authentication of said DNA taggants.

Coating compositions for leather substrates
10781496 · 2020-09-22 · ·

Disclosed herein are water-based, pigment-containing coating compositions for application over leather substrates including patent leather, such as but not limited to shoes, belts, purses, bags, wallets, and the like, comprising a combination of acrylic resins having glass transition temperatures at a lower end of the scale around 20-25 C. for flexibility with a balance of harder styrenated and non-styrenated acrylic resins, such coating compositions displaying chemical properties for both flexibility to bend with the leather substrates and gloss for excellent aesthetic appearance.

COATING AGENT FOR LEATHER, AND LEATHER ON WHICH COATING BY COATING AGENT IS FORMED
20200239972 · 2020-07-30 · ·

The present invention provides a coating agent for leather, the coating agent containing: in terms of solid content ratio, (I) an aqueous urethane resin; (II) a matting agent; and (III) a silicone acryl graft copolymer resin emulsion in which the weight ratio of a polyorganosiloxane represented by a specified formula relative to acrylic ester units or methacrylic ester units is 50:50 to 90:10, and a leather on which a coating by the coating agent for leather is formed. This coating agent for leather has exceptional wear resistance and anti-fouling properties, and a leather on which a coating by the coating agent is formed can maintain a high-quality external appearance and high wear resistance.

EDGE IMPRINTING OF LEATHER SUBSTRATES AND METHOD THEREOF
20200208229 · 2020-07-02 ·

The present invention relates to a method for enhancing leather edge imprinting. More particularly, the present invention relates to transferring the print from the transparent paper to the edges of a material. Further, the present invention enables in tailoring the designs or written logos on the edge surface for desired applications. The method [100] for imprinting a pattern on edges of a leather substrate comprises of steps with pattern imprinted on the edge across the perimeter of the leather substrate. The pattern comprises one or more customized colors, text, names, company brands, slogans, patterns, images, graphics, photographs, logos, advertisements, or a combination thereof. Advantageously, the present invention effectively saves time and material wastage.

METHOD FOR PROCESSING PLANT MATERIAL AND RESPECTIVE PRODUCT
20200181835 · 2020-06-11 ·

A method for processing plant material for converting such material into a product with leather-like properties comprises chemical processing, or tanning, of the plant material to convert same into a feather-like material. The method comprises at least the steps of chemical processing, drying, and welding. The end-product is characterized by its similarity to leather and may be used in diverse areas of industry, such as clothing, footwear, bags, accessories, furniture, inter alia.

Method for producing breathable leather material and use of leather material produced according to said method

A method is provided for producing breathable leather material including the following steps: a leather-based material is provided; the leather-based material is perforated; a support body is provided; a finishing is applied to the support body such that a later visible side of the finishing is facing the support body and the finishing is transferred to the surface of the perforated leather-based material and removed from the support body.