Modified Guayule Resins and Resin/Soy Protein Blends for Adhesives

Case ID:

This technology is a guayule resin-based adhesive that provides superior water resistance over existing formaldehyde-free wood adhesives. A blend of modified guayule resin with soy protein forms a natural adhesive with improved water resistance over existing soy protein adhesives.

Guayule, a plant that grows in the Southwest United States and Mexico, is a promising source of hypoallergenic natural latex rubber, requiring little water to cultivate. However, extracting latex from Guayule requires processing the entire plant, leaving most of the plant’s biomass as a byproduct. This invention supports the need to find valuable new uses for the byproducts of the latex extraction process to increase the overall economics of guayule as a sustainable crop for desert environments.  In recent years, soy protein-based adhesives have become popular alternatives to petroleum-based adhesives. This technology leverages this trend by repurposing guayule resin, one of the byproducts of the latex extraction process.


  • Wood composites
  • Particleboard
  • Wood adhesives


  • Utilizes sustainable crop for desert environments
  • Improves guayule resin by-product economics
  • Water-resistant
  • Heat-resistant
  • Improved viscosity
Patent Information:
Contact For More Information:
Laura Silva
Sr. Licensing Manager, COS
The University of Arizona
Lead Inventor(s):
Kimberly Ogden
Sarocha Pradyawong