| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 008436000 | Leather dyeing | 16 |
| 20100017972 | BIODEGRADABLE POLYMERIC DERIVATIVES - The present invention relates to a new class of adducts containing peptidic-based segments of proteic hydrolysates and gelatins, chemically bound to polymeric-based segments of polyethylene glycol (PEG) with variable length and processes for the preparation thereof. The new materials can also contain segments of acrylic or vinylic polymers. | 01-28-2010 |
| 20120284933 | PAPER FINISHING PROCESS - A process for applying a finishing paper material on a leather or woven support material is described, comprising the steps of: first buttering of glue on a surface of the support material, positioning the finishing material on said support material, ironing, perching, second buttering of glue, and a finishing step. | 11-15-2012 |
| 20130167308 | Method of Printing - The invention provides a method of printing a textile comprising polyester, or a full-chrome, semi-chrome or vegetable-tanned leather, with a vat or a sulfur dye, comprising inkjet printing a solubilised vat dye or a solubilised sulfur dye onto the textile or the leather. | 07-04-2013 |
| 20130198974 | Non-Metal Tanning Process - Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), | 08-08-2013 |
| 20130205516 | Non Metal Tanning - Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), | 08-15-2013 |
| 20130219634 | Non Metal Tanning - Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), | 08-29-2013 |
| 20130227798 | Non Metal Tanning - Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being a sulpho-group—
| 09-05-2013 |
| 20130227799 | Non Metal Tanning - Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), | 09-05-2013 |
| 20130239340 | Non Metal Tanning - Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), | 09-19-2013 |
| 20160032522 | METHOD FOR TREATING A SUBSTRATE MADE OF ANIMAL FIBERS WITH SOLID PARTICLES AND A CHEMICAL FORMULATION COMPRISING A COLOURANT - The invention discloses a method for treating an animal substrate comprising: agitating the moistened animal substrate with an aqueous treatment formulation and a solid particulate material in a sealed apparatus, wherein the aqueous treatment formulation comprises at least one colourant. There is also disclosed an animal substrate obtained by the method and finished leather goods obtained by the method. | 02-04-2016 |
| 20160040260 | METHOD FOR TREATING A SUBSTRATE MADE OF ANIMAL FIBERS WITH SOLID PARTICLES AND A CHEMICAL FORMULATION - The invention discloses a method for treating an animal substrate comprising: agitating the moistened animal substrate with a treatment formulation and a solid particulate material in a sealed apparatus wherein the treatment formulation comprises a tanning agent or a tannery process agent. The method can comprise applying the tanning agent or tannery process agent to the animal substrate wherein at least some of the agent so applied originates from the treatment formulation. There is also disclosed an animal substrate obtained by the method. The treatment formulation can be aqueous. | 02-11-2016 |
| 20160160301 | PROCESS FOR RETANNING LEATHER - The present invention is directed to a process for retanning leather comprising the steps of: a) providing tanned or pre-tanned leather b) treating the tanned leather of step a) with a composition comprising hollow microspheres, preferably as an aqueous composition, the hollow microspheres have a true density of from 0.01 to 0.10 g/cm | 06-09-2016 |
| 20160186275 | Tanning Process With Reduced Waste Discharge - A tanning process reduces discharges of liquid waste, solid waste and gaseous waste. By virtue of liquid waste recycling, the process reduces solid material digestion or decomposition, and coverts wastes to reusable materials. Liquid waste and solid waste are also reduced. Chemical material volatilization is also reduced, which helps to reduce gaseous waste discharge. The liquid waste recycling procedures are implemented independently in the steps of waster soaking, liming, re-liming, de-liming and softening, pickling and chrome tanning, degreasing, re-tanning, neutralizing and dyeing. The process reduces water consumption by more than 70%, and reduces energy consumption by more than 20%. In addition, the process reduces solid waste discharge by over 70%, thereby saving 15% to 100% of chemical materials, as well as reducing air pollution caused by chemical material volatilization. The process significantly improves leather quality. | 06-30-2016 |
| 20160251802 | CUTTING AND DOUBLE-FACE LEATHER INTEGRATED DYEING PROCESS FOR TAN SHEEP SKIN | 09-01-2016 |
| 20170233833 | Leather Production Using Waste Liquids | 08-17-2017 |
| 008437000 | Azo dye | 1 |
| 20130333123 | DISAZO DYES, PREPARATION AND USE - Described are dyes of formula (I) where R | 12-19-2013 |
