Location History:
- London, GB (1980)
- Kemsing, GB (1980 - 1981)
Company Filing History:
Years Active: 1980-1981
Title: The Innovative Contributions of Nigel A Bath
Introduction
Nigel A Bath is a notable inventor based in Kemsing, GB. He has made significant contributions to the field of brewing through his innovative methods and patented technologies. With a total of 3 patents, Bath has focused on enhancing the quality and purity of hop extracts used in beer production.
Latest Patents
Bath's latest patents include a method for the production of an iso-.alpha.-acid preparation from hops. This method involves extracting a high-quality primary extract containing .alpha.-acids from hops using liquid CO.sub.2 and isomerizing the .alpha.-acids in the primary extract. The extraction process is performed at a sub-critical temperature of not less than -5°C, resulting in a primary extract that contains .alpha.-acids, .beta.-acids, hop oil, and minimal amounts of other organic compounds. The preferred method does not require purification of the primary extract, and the isomerization is achieved by boiling an alkaline solution of the extract. This boiling process can also remove hop oil, while .beta.-acids can be eliminated by acidifying the iso-.alpha.-acid solution and filtering off the precipitated .beta.-acids. The resulting iso-.alpha.-acid preparation is of outstanding purity and can be added to beer after fermentation, particularly to bright beer after final filtration to provide bitterness. Another significant patent involves a method of preparing a hop extract, where liquid carbon dioxide is passed through a column of hop material at temperatures ranging from -5°C to +15°C to extract .alpha.-acids. This method yields a primary extract of much higher purity compared to commercially available solvent extracts.
Career Highlights
Throughout his career, Bath has worked with several organizations, including Brewing Patents Limited and the Brewing Research Foundation. His work has significantly impacted the brewing industry, particularly in the area of hop extraction and preparation.
Collaborations
Bath has collaborated with notable individuals in the field, including Derek R Laws and Colin S Ennis. These collaborations have furthered the development of innovative brewing techniques and technologies.
Conclusion
Nigel A Bath's contributions to the brewing industry through his patented methods for hop extraction and iso-.alpha.-acid preparation highlight his innovative spirit and dedication to improving beer quality. His work continues to influence brewing practices and enhance the overall
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