"Banded Papers, Smoking Articles And Methods" in Patent Application Approval Process (USPTO 20240000133).

A patent application by Philip Morris USA Inc. has been made available online, detailing the invention of banded papers and smoking articles. The application explains that the invention aims to reduce the incidence of accidental fires caused by untended smoking articles. The invention focuses on reducing the Ignition Propensity (IP) value and increasing the Self-Extinction (SE) value of smoking articles. The application describes the testing methods for IP and SE values and discusses the use of an aqueous starch solution with an anti-wrinkling agent to achieve the desired results. The invention also includes patterns and characteristics for the add-on material used in the wrapper paper. [Extracted from the article]