Japan, Feb. 24 -- JAPAN VILENE CO LTD has got intellectual property rights for 'FILTER BASE MATERIAL.' Other related details are as follows:
Application Number: JP,2022-072000
Category (FI): D04H1/728,B01D39/00@Z,D04H1/4382
Stage: PROBLEM TO BE SOLVED: To provide a filter base material capable of providing an air filter and a mask where breathing is easy by having low pressure loss and excellent air permeability and the reduction of collection efficiency after washing is low even when being reused after washing.SOLUTION: In a filter base material with a fiber layer, a non-fibrous material where the constitution fibers of the fiber layer are bonded each other exists on one main surface of the fiber layer. The breaking and cracking of the ...