This inventor holds 11 USPTO granted patents and 6 published patent applications, plus 5 CIPO patents and 1 EPO patent. Top assignees: Stellenbosch University, Lallemand Hungary Liquidity Management LLC, Danstar Ferment Ag. Active years: 2015-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Vierlanden, ZA (2015 - 2021)
- Durbanville, ZA (2015 - 2022)
Company Filing History:
9 out of 76 
6 out of 47 
1 out of 30 Years Active: 2015-2024
Title: Innovations of Riaan Den Haan
Introduction
Riaan Den Haan is a notable inventor based in Durbanville, South Africa. He has made significant contributions to the field of biotechnology, particularly in the development of yeast strains for bioprocessing applications. With a total of 11 patents to his name, Den Haan's work focuses on enhancing the efficiency of biomass conversion processes.
Latest Patents
One of his latest patents is titled "Yeast expressing saccharolytic enzymes for consolidated bioprocessing using starch and cellulose." This invention is directed towards a yeast strain that secretes a comprehensive suite of enzymes capable of hydrolyzing corn starch, corn fiber, and lignocellulose. The yeast can utilize pentose sugars such as xylose and arabinose, and it can be engineered to produce less glycerol while effectively metabolizing acetate. This strain can also produce ethanol from granular starch without the need for liquefaction, thereby reducing the external enzyme requirements during the Simultaneous Saccharification and Fermentation (SSF) process. Another significant patent involves "Nucleic acids encoding fungal cellobiohydrolases for expression in yeast," which provides for the heterologous expression of polypeptides from various fungal organisms in yeast. This innovation aims to improve the specific activity of expressed cellobiohydrolases, making it beneficial for cost-effective consolidated bioprocessing systems.
Career Highlights
Den Haan has worked with esteemed institutions such as Stellenbosch University and Lallemand Hungary. His experience in these organizations has contributed to his expertise in bioprocessing and enzyme technology.
Collaborations
Throughout his career, Den Haan has collaborated with notable individuals, including John E McBride and John S Bardsley. These collaborations have likely enriched his research and development efforts in the field.
Conclusion
Riaan Den Haan's innovative work in yeast biotechnology and enzyme applications has positioned him as a significant contributor to the field. His patents reflect a commitment to advancing bioprocessing technologies, which could have a lasting impact on sustainable practices in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile