-
Pressure sensitive recording materials
-
Patent number 5,478,793
-
Issue date Dec 26, 1995
-
Kanzaki Paper Manufacturing Co., Ltd.
-
Tetsuo Tsuchida
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
-
-
-
Triarylmethane color formers
-
Patent number 5,233,048
-
Issue date Aug 3, 1993
-
Bayer Aktiengesellschaft
-
Udo Eckstein
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
Recording material
-
Patent number 5,155,087
-
Issue date Oct 13, 1992
-
Mitsubishi Paper Mills, Ltd.
-
Toshihiko Matsushita
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
-
-
-
-
-
-
-
-
Imidazo[1,5-A]pyridylmethanes
-
Patent number 4,687,853
-
Issue date Aug 18, 1987
-
Hans-volker Runzheimer
-
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
-
-
-
-
Substituted indoles
-
Patent number 4,618,684
-
Issue date Oct 21, 1986
-
The Hilton-Davis Chemical Co.
-
Paul J. Schmidt
-
C07 - ORGANIC CHEMISTRY
-
-
-
-
-
-
-
Triarylmethane derivatives
-
Patent number 4,443,614
-
Issue date Apr 17, 1984
-
Kanzaki Paper Manufacturing Co., Ltd.
-
Mitsuru Kondo
-
C07 - ORGANIC CHEMISTRY
-
-