Two more patents for Burcon move a step closer

By Mike Stones

- Last updated on GMT

Related tags Patent

Functional renewable plant proteins company, Burcon NutraScience Corporation has received notices of allowance from the United States Patent and Trademark Office for two separate protein ingredient patent applications.

Both allowances, signaling a significant step towards full patent protection, concern the canola proteins Puratein and Supertein that it has been developing since 1999. A notice of allowance is written notification that a patent application has cleared internal review and is nearing issuance.

Canola Protein

The first allowance focuses on a patent application covering processes for the preparation and production of oilseed meal tailored to produce Puratein canola protein isolate and Supertein canola protein isolate.

The second covers an extraction procedure, which Burcon claims, improves the final color profile of both protein isolates.

Johann Tergesen, the company’s president and chief operating officer, said: “So far, during 2009 we have had eight US patent applications allowed which is a testament to our hard work over the past ten years. Our patenting activities are aimed at building a broad patent portfolio of process, application and compound patents around our core protein extraction and purification technologies​. ”

The patent applications both protect processes for the production of canola protein isolates with superior organoleptic properties including improved color, superior taste, improved aroma and improved mouth feel, he added.

Oilseed meal preparation techniques have a big impact on the quality of the final protein products plus the yield obtained through the extraction process.


Puratein is a cruciferin-rich canola protein isolate comprising mainly globulin proteins. It’s functional properties include emulsification, gel formation, thickening, formation of heat-stable foams, and water and ingredient-binding.

Its applications include dressings, sauces, meat substitutes, baked goods and protein bars.

Meanwhile, Supertein is a highly-soluble napin-rich canola protein isolate comprised of mainly albumin proteins. The functional properties of Supertein include excellent solubility, the ability to form transparent solutions and foaming, said the company.

Applications include beverages, confectionery, aerated desserts, and protein bars, among others.

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