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Interesting website www.freepatentsonline.com gives synopsis of new inventions under patent and historical background and cross reference for related inventions. Type in area of interest (renewable energy) in upper right hand corner and search - long list to choose from. Open it and read all the way through for ideas to hlp with inventing, designing, financing, constructing and implementing assistance aides for organic and permaculture practices, including alternative energy sources.

Example: Low-soot, low-smoke renewable resource candle

Document Type and Number:United States Patent 6852140

Link to this page:http://www.freepatentsonline.com/6852140.html

Abstract:A low soot, low smoke candle that in one embodiment is made of renewable resource material such as plant source material. The candle may include plant source triglycerides and free fatty acids. The free fatty acids may be plant source or other source. Lower iodine value source materials provide highly saturated triglycerides and free fatty acids that in turn are low soot, low smoke. Iodine values of 10 or less down to 1 and 0.5 or less are taught. Use of agricultural “waste” material provides economically priced source material.
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