C09K 9 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy adsorption is changed as a result of excitation by some form of energy

Patents for C09K 9 - Tenebrescent materials, i.e. materials for which the range of wavelengths for energy adsorption is changed as a result of excitation by some form of energy (4,715)
01/1977
01/11/1977	US4002670 Nematic compounds and mixtures
08/1976
08/17/1976	US3975086 Electrochromic display element and process
08/10/1976	US3973966 Photochromic composition containing a diphenyl dibenzochrom-3-ene
08/10/1976	US3973829 Electrochromic devices with partially pre-charged counterelectrodes
06/1976
06/22/1976	US3964984 Method of producing photochromic sodalite crystals
06/22/1976	US3964911 Dry development
06/22/1976	US3964823 Articles employing photochromic materials
05/1976
05/18/1976	US3957352 Electrochromic display having improved electrolyte
05/11/1976	US3955879 Nonlinear electrochromic device
04/1976
04/13/1976	US3950591 Glassy or crystalline material for phototropic thin layers
04/13/1976	US3950077 Lead reference and counter electrode for an electrochromic display
03/1976
03/16/1976	US3944333 Electrochromic display with porous separator
01/1976
01/13/1976	US3932592 From naoh, sodium halide, al2o3 and sio2, multistage
01/06/1976	US3931042 Sodium-aluminum-silicon-oxygen-sodium halide, image screen
01/06/1976	US3930717 Variable light transmission device containing ferrous ammonium sulfate as an auxiliary redox system