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Patent for Sale:

Heat Treatment of Wood with Bioesters Derived from Used Vegetal Oils and Animal Fat    

A new process of heat treatment using bioesters commonly called biodiesel as heat vector to dry and treat wood.


Many companies use wood as raw material for the fabrication of their commercialised products and are, therefore, continuously looking for wood of high quality

A new process of heat treatment using bioesters commonly called biodiesel as heat vector to dry and treat wood. Bioesters are obtained by transesterification of fatty acids contained in virgin and used vegetal oils and animal fat. The heat treatment consists on immersing the wood in a bioesters bath that is heated from 150°C to 230°C for a determined period of time, depending on the size and the type of the wood.

Primary Application of the Technology

Furniture and outer accessories, decking, flooring, windows and doors, and building materials.

Competitive Advantage

 Green and inexpensive technology
 Recycling of biomass residues such as used vegetal oils and animal fats
 Fast wood drying and treating
 Low viscosity of the heat carrier (bioesters), deep penetration into the wood cells
 Environmentally friendly and biodegradable heat carrier (bioesters)
 High heat transfer
 Absence of oxygen, less deterioration of the wood
 High thermal stability of the heat carrier. Can be recycled many times
 The heat carrier is not hydrolysable
 Recovering of wood extractives
 High performance of the treated wood: improved resistant to the attack of microorganisms
 improved dimensional stability
 increased life span and colour stability
 compatibility with finishing products (varnish, glue, polish)
 easy to process, no dust can be evolved

The seller may consider selling these patents individually.

Additional Information

The technology is currently under advanced technologic maturation stage.

Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 427: Coating Processes

This is the generic class for: A. applying or obtaining a coating on a surface. The coating may be hard or soft, permanent or transitory, supplied solely by extraneous materials or supplied wholly or in part by the base material. B. impregnating a base by causing a coating material to extend or penetrate into the base material, or into the interstices of a porous, cellular or foraminous material. C. taking preparatory treatments of the base material, subsequent treatments of the coated base material and other ancillary noncoating operations claimed, per se, processes limited to etching for making a base more compatible with, or adherent to, the coating wherein the base is the substrate (work) onto which a coating is applied are included.

Subclass 393: Wood base
Subclass 397: Wood base
Subclass 440: Wood base

Class 428: Stock Material Or Miscellaneous Articles

This is the residual class for: 1. Stock material in the form of a structurally defined web, sheet, rod, strand, fiber, filament, cell, flake, particle not provided elsewhere. 2. Stock material in the form of a web, sheet, mass or layer which consists of or contains a structurally defined constituent or element. 3. A nonstructural laminate defined merely in terms of the composition of one or more layers. 4. An article of manufacture or an intermediate-article not provided for elsewhere. 5. A process for applying an impregnating material to a naturally solid product such as a wood beam, a sheet of leather or a stone, or for applying a coating to a base, and which process includes no significant method step.

Subclass 537.1: Of wood