"Method And Tool For Embossing Of Biodegradable Paper To Fabricate Cigarette Filters" in Patent Application Approval Process (USPTO 20240157666).

A patent application has been filed for a method and tool to emboss biodegradable paper for cigarette filters. The invention aims to provide an environmentally friendly alternative to non-biodegradable filters. The embossed paper improves filtration and adjusts the draft of the cigarette. The method involves using embossing rollers to create crimping lines and chimney structures on the paper, which remains open during manufacturing. The paper is made from biodegradable fibers randomly distributed for air permeability and filtration. The application provides detailed claims and descriptions of the method and materials used. [Extracted from the article]