Inventor
WEIGEL DAVID C
US13 patents
Patents
13 patentsUS5576074ANov 19, 1996
Laser write process for making a conductive metal circuit
MINNESOTA MINING & MFG26 citations92
US4883747ANov 28, 1989
Color photothermographic elements
MINNESOTA MINING & MFG26 citations91
US4328181AMay 4, 1982
Indicator material
MINNESOTA MINING & MFG38 citations90
US5185231AFeb 9, 1993
Dry silver systems with fluoran leuco dyes
MINNESOTA MINING & MFG6 citations73
US4587211AMay 6, 1986
Photothermographic stabilizers for syringaldazine leuco dyes
MINNESOTA MINING & MFG10 citations73
US4585734AApr 29, 1986
Photothermographic toners
MINNESOTA MINING & MFG14 citations73
US5275932AJan 4, 1994
Thermal development accelerators for thermographic materials
MINNESOTA MINING & MFG17 citations72
US4923792AMay 8, 1990
Color photothermographic elements
MINNESOTA MINING & MFG11 citations72
US4782010ANov 1, 1988
Photohermographic emulsions having stable color forming developers
MINNESOTA MINING & MFG10 citations71
US4795697AJan 3, 1989
Stabilization of ketazine dyes
MINNESOTA MINING & MFG6 citations62
US5206112AApr 27, 1993
Positive imaging diffusion - transfer dry silver system
MINNESOTA MINING & MFG3 citations61
US5278024AJan 11, 1994
Positive imaging diffusion-transfer dry silver system using formazan dye
MINNESOTA MINING & MFG1 citations51
US5026633AJun 25, 1991
Color photothermographic materials with development accelerator
MINNESOTA MINING & MFG1 citations51