ETHANOLIC INK FOR MARKING PEN
Document Type and Number:
WIPO Patent Application WO/1994/000522
An ethanolic ink for marking pen, comprising at least one dye selected from among compounds each represented by a specified structural formula, an ethanol-soluble resin and ethanol. The ink is yellow, orange, red, blue, pink, sky blue, or black, does not cause any deposition even when left to stand for long, gives water-resistant writing, and is excellent in the fixation of metal.
MORIKUBO, Satoshi KOBAYASHI, Kiyohiko SUZUKI, Nobuo HATTORI, Yoshikazu.
January 06, 1994
June 18, 1993
MITSUBISHI PENCIL KABUSHIKI KAISHA MORIKUBO, Satoshi KOBAYASHI, Kiyohiko SUZUKI, Nobuo HATTORI, Yoshikazu.
C09D11/16; (IPC1-7): C09D11/16