US 12,270,718 B2
Paste-like composition for pressure measurement and pressure measurement method
Satoshi Tanaka, Shizuoka (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Sep. 5, 2021, as Appl. No. 17/467,259.
Application 17/467,259 is a continuation of application No. PCT/JP2020/003195, filed on Jan. 29, 2020.
Claims priority of application No. 2019-057688 (JP), filed on Mar. 26, 2019; and application No. 2019-131068 (JP), filed on Jul. 16, 2019.
Prior Publication US 2021/0396609 A1, Dec. 23, 2021
Int. Cl. G01L 1/24 (2006.01)
CPC G01L 1/247 (2013.01) 11 Claims
 
1. A paste-like composition for pressure measurement, comprising:
a microcapsule that encompasses an electron-donating dye precursor; and
an electron-accepting compound that causes the electron-donating dye precursor to develop a color.