Location History:
- Monroeville, PA (US) (1976)
- Pitcairn, PA (US) (1986)
Company Filing History:
1 out of 461 
1 out of 3,975 
Years Active: 1976-1986
Title: Herbert R Appell: Innovator in Coal Liquefaction and Waste Decomposition
Introduction
Herbert R Appell is a notable inventor based in Monroeville, PA (US). He has made significant contributions to the fields of coal liquefaction and waste decomposition, holding a total of 2 patents.
Latest Patents
One of his latest patents focuses on the solvent treatment of coal for improved liquefaction. This innovation involves pretreating a slurry of solid carbonaceous material and a liquid hydrocarbonaceous solvent at a temperature above 200°C but below 350°C for a period of 10 minutes to four hours prior to exposure to liquefaction temperatures. Another patent addresses the decomposition of carbohydrate wastes, where carbohydrate waste materials are decomposed to form a gaseous fuel product by contacting them with a transition metal catalyst at elevated temperatures, substantially in the absence of water.
Career Highlights
Throughout his career, Herbert R Appell has worked with the United States of America as represented by the United States Energy and other governmental entities. His work has contributed to advancements in energy production and waste management.
Collaborations
He has collaborated with notable individuals such as Peter Pantages and Nand K Narain, enhancing the impact of his innovations through teamwork and shared expertise.
Conclusion
Herbert R Appell's contributions to coal liquefaction and waste decomposition demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of energy processes and environmental considerations.