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US 9,845,516 B2Granted
Method for treating a substrate made of animal fibers with solid particles and a chemical formulation comprising a colourant
AssigneeXeros Limited
InventorJohn Edward Steele
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Abstract
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 colorant. There is also disclosed an animal substrate obtained by the method and finished leather goods obtained by the method.
Claims70
A method for treating an animal substrate comprising:
- agitating a 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, and
- wherein the solid particulate material comprises a multiplicity of polymeric particles, a multiplicity of non-polymeric particles, or a mixture of a multiplicity of polymeric and non-polymeric particles,
- wherein the polymeric or non-polymeric particles have an average particle diameter of from 0.1 mm to 500 mm and/or a length of from 0.1 to 500 mm, and
- wherein the animal substrate is hide, skin or leather.
2 more elements
Dependencies are inferred from the claim text.