Inventor
HANN RICHARD A
GB32 patents
⚠️ This page may combine multiple inventors who share the name “HANN RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ICI PLC
31 patentsUS5030672AJul 9, 1991
Membranes
ICI PLC59 citations96
US4920193AApr 24, 1990
Membranes
ICI PLC24 citations92
US6195111B1Feb 27, 2001
Cassette casing for thermal transfer printing dye ribbon
ICI PLC19 citations77
US4724228AFeb 9, 1988
Thermal transfer dyesheet
ICI PLC6 citations74
US5214024AMay 25, 1993
Thermal transfer receiver
ICI PLC6 citations73
US5070069ADec 3, 1991
Thermal transfer printing
ICI PLC16 citations73
US4914078AApr 3, 1990
Thermal transfer receiver
ICI PLC9 citations73
US5264410ANov 23, 1993
Security laminates
ICI PLC7 citations72
US5104847AApr 14, 1992
Thermal transfer printing dyesheet and dye barrier composition therefor
ICI PLC11 citations72
US4968658ANov 6, 1990
Thermal transfer receiver
ICI PLC6 citations72
US4950641AAug 21, 1990
Thermal transfer printing dyesheet and backcoat composition therefor
ICI PLC11 citations72
US4946629AAug 7, 1990
Optical element having non-linear optical properties including a substrate having a coating of an azo compound
ICI PLC10 citations72
US4398493AAug 16, 1983
Coating of solids
ICI PLC13 citations71
US4910189AMar 20, 1990
Thermal transfer dyesheet
ICI PLC3 citations63
US4829048AMay 9, 1989
Thermal transfer printing
ICI PLC2 citations63
US5426087AJun 20, 1995
Thermal transfer printing receiver
ICI PLC3 citations62
US5229352AJul 20, 1993
Thermal transfer receiver
ICI PLC2 citations62
US5095002AMar 10, 1992
Thermal transfer receiver
ICI PLC4 citations62
US5011813AApr 30, 1991
Thermal transfer printing
ICI PLC2 citations62
US4977135ADec 11, 1990
Thermal transfer printing
ICI PLC5 citations62
US5389597AFeb 14, 1995
Benzofuranones
ICI PLC2 citations61
US5268490ADec 7, 1993
Benzofuranones
ICI PLC2 citations61
US5116805AMay 26, 1992
Thermal transfer receiver
ICI PLC2 citations61
US5011815AApr 30, 1991
Thermal transfer dyesheet
ICI PLC3 citations61
US4804747AFeb 14, 1989
Azo compound having one or two aliphatic or cycloaliphatic groups containing a total of 8 to 40 carbon atoms therein
ICI PLC5 citations61
US4985398AJan 15, 1991
Thermal transfer dyesheet
ICI PLC1 citations51
US5476831ADec 19, 1995
Thermal transfer printing receiver
ICI PLC0 citations50
US5300474AApr 5, 1994
Thermal transfer dyesheet
ICI PLC0 citations49
US5248653ASep 28, 1993
Thermal transfer dyesheet
ICI PLC1 citations49
US6197726B1Mar 6, 2001
Cards
ICI PLC1 citations45
US5510313AApr 23, 1996
Thermal transfer printing dyesheet
ICI PLC0 citations42