This inventor holds 10 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 4 EPO patents. Top assignees: Mara Renewables Corporation, Dsm Nutritional Products Ag, Ocean Nutrition Canada Limited. Active years: 2007-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Halifax, CA (2007 - 2021)
- Dartmouth, CA (2018 - 2023)
Company Filing History:

Years Active: 2007-2025
Title: The Innovative Contributions of Dorothy A. Dennis
Introduction
Dorothy A. Dennis, an inventive talent from Dartmouth, CA, has made significant strides in the field of biotechnology. With a total of nine patents to her name, her work stands at the intersection of microbiology and renewable energy, showcasing her innovative spirit and commitment to sustainable solutions.
Latest Patents
Her latest patents focus on pioneering methods of recovering oil from microorganisms. These methods are particularly relevant for obtaining nutritional oils and lipid biofuels. The innovative techniques she developed involve contacting a population of microorganisms with one or more enzymes, which causes disruption of the microorganisms. Following this, the disrupted microorganisms are concentrated, and their lipids are extracted at high temperatures in the presence of salt and without solvents. This process not only enhances oil recovery but also promotes environmentally friendly practices.
Career Highlights
Dorothy has worked with several organizations throughout her career, including Mara Renewables Corporation, where her expertise in biotechnological innovations flourished. Her contributions to the company have significantly advanced the field of lipid biofuels, underlining her role as a key player in renewable energy research.
Collaborations
Collaboration has been a cornerstone of Dorothy's career. She has worked alongside talented colleagues such as Roberto E. Armenta and Xuan Jiang, with whom she has shared ideas and innovations, further enhancing her research and development efforts.
Conclusion
Dorothy A. Dennis's contributions to the field of biotechnology, particularly in the methods of recovering oil from microorganisms, reflect her dedication to innovation and sustainability. As she continues to build on her impressive portfolio of patents, her work serves as an inspiration to future inventors and researchers committed to making a positive impact on the environment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile