Patents for C09K 11 - Luminescent, e.g. electroluminescent, chemiluminescent, materials (47,146)
04/1978
04/04/1978US4082687 Manganese activated alkaline earth tungstate phosphors and method of preparing the same
03/1978
03/28/1978US4081714 Method of coating the inner wall of a low-pressure mercury vapor discharge lamp with luminescent material
03/28/1978US4081398 Indium oxide and europium activated yttrium phosphor
03/21/1978US4080306 Barium, fluorine, chlorine, europium activator
03/14/1978US4079287 Strontium halophosphate and europium-activated yttrium oxide phosphors
03/14/1978US4079258 Activated rubidium bromide and thallium halogenide
02/1978
02/28/1978US4076897 Low lag luminescent phosphors and X-ray screen containing the same
02/28/1978US4076645 From reaction of bis(6-carbopentoxy-2,4,5-trichlorophenyl)oxalate with a peroxide; 9,10-bis(phenylethynyl)anthracene, diluent
02/21/1978US4075532 Europium activated strontium chlorapatite with manganese and antimony coactivated calcium fluorapatite
02/21/1978US4075495 Europium activated alkaline earth metal samarium fluorohalide phosphor
01/1978
01/31/1978US4071640 Lanthanum oxysulfide activated by terbium
01/31/1978US4071465 Deep-red emitting phosphor
01/24/1978US4070598 Fluorescent lamp with second phosphor layer
01/24/1978US4070583 Rare earth oxyhalide phosphors coactivated with terbium, thulium
01/24/1978US4070301 Method of preparing cerium-activated yttriumaluminate phosphor of improved efficiency
01/17/1978US4069441 Electric gas discharge lamp having two superposed luminescent layers
01/17/1978US4069440 Cathode ray tube
01/17/1978US4069355 Forming pattern, vapor deposition, heat annealing
01/10/1978US4068129 Bismuth activated rare earth oxybromide phosphors and X-ray image converters utilizing said phosphors
01/10/1978US4068128 (Hf1-x Zrx)3 P2 O11 luminescent material, method of preparation and X-ray intensifying screen containing same
12/1977
12/27/1977US4065688 High-pressure mercury-vapor discharge lamp having a light output with incandescent characteristics
12/27/1977US4065310 Fixing and retrieving recorded information produced by means of photosensitive material of biological origin
12/20/1977US4064066 Zinc fluoride, zinc silicofluoride, rare earth fluorides
12/20/1977US4064064 Stabilization of hydrogen peroxide solutions
11/1977
11/15/1977US4058639 Phosphor, powdered alumina, cellulose nitrate, drying, deposition
11/08/1977US4057508 X-ray phosphors with low afterglow
11/08/1977US4057507 Color television picture tube
10/1977
10/25/1977US4055781 Special purpose fluorescent lamp
10/18/1977US4054799 X-ray phosphor composition and x-ray intensifying screen employing same
10/18/1977US4054798 X-ray conversion screens
10/11/1977US4053430 Oxalic acid esters
10/04/1977US4052329 Method of preparing cerium-activated yttrium silicate phosphor
09/1977
09/20/1977US4049992 Beryllium-containing europium activated phosphate phosphor, luminescent screen and discharge lamp containing same
09/20/1977US4049845 Method for preparing filter-coated phosphor particles
09/13/1977US4048533 Gas discharge display
09/06/1977US4047069 High-pressure mercury-vapor lamp having a plural phosphor coating
08/1977
08/23/1977US4044105 Sodium ammonium phosphate, calcium chloride
08/23/1977US4044082 Multiple extrusion of polycrystalline extrudates
08/16/1977US4042527 Process of preparing infrared-excitable sodium rare earth fluoride luminescent materials
08/09/1977US4041319 Radiographic phosphor screen
08/09/1977US4040833 Cyanine dyes
08/02/1977USRE29334 Phosphor combination and method, particularly adapted for use with explosives, for providing a distinctive information label
08/02/1977US4039839 Thorium tetrabromide scintillators and radiation detection and measurement therewith
08/02/1977US4039699 Method for making phosphors
07/1977
07/26/1977US4038205 Firing zinc sulfide, copper and aluminum compounds
07/26/1977US4038204 Alkaline-earth metal halophosphate luminescent composition activated by divalent europium and method of preparing same
07/26/1977US4038203 Certain alkali metal-rare earth metaphosphate photoluminescent glasses
07/19/1977US4037110 Yttrium indium phosphate X-ray phosphors, method of preparation and X-ray intensifying screen containing same
07/12/1977US4035819 Method of making a zinc sulphide ceramic body and a zinc sulphide ceramic body made thereby
07/12/1977US4035641 Liquid oxygen compatible biodegradable dye penetrant compositions and method of dye
07/05/1977US4034257 Mercury vapor lamp utilizing a combination of phosphor materials
06/1977
06/28/1977US4032812 Fluorescent high-pressure mercury-vapor lamp
06/28/1977US4032471 Heat treatment to improve x-ray speed
06/14/1977US4029983 Metal-halide discharge lamp having a light output with incandescent characteristics
06/14/1977US4029851 Terbium activated lanthanum-lead oxybromide crystals
06/07/1977US4028550 X-ray screens
05/1977
05/31/1977US4027192 Or tin oxide
05/31/1977US4026816 Cerium and terbium activated aluminate phosphors
05/17/1977US4024070 Rubidium, cesium, potassium fluorides
05/17/1977US4024069 Face-centered cubic crystal
05/10/1977US4022709 Phosphorescent materials
05/03/1977US4021588 Method for preparing filter-coated phosphor particles
04/1977
04/26/1977US4020231 Precipitation
04/19/1977US4018698 Cerium stabilized magnesium aluminum gallate phosphors
04/19/1977US4018635 Phosphor combination, particularly adapted for use with explosives, for providing a distinctive information label
04/12/1977US4017738 Scintillator
04/12/1977US4017483 Coumarino-3,4-oxazoles
04/12/1977US4017415 Alumina, oxalate diester
03/1977
03/29/1977US4014813 Hafnium pyrophosphate phosphors and methods of preparation
03/29/1977US4014812 From hafnium oxychloride
03/08/1977US4011455 Phosphor screen
03/08/1977US4011454 Structured X-ray phosphor screen
03/08/1977US4011219 Phthalazine derivatives and salts thereof
02/1977
02/15/1977US4008172 Fluorescent
02/08/1977US4007394 Alkali metal alkaline earth metal sulfate phosphor activated with cerium and terbium and lamp containing same
02/01/1977US4006097 Ytterbium, firing
01/1977
01/25/1977US4005328 Mercury vapor discharge lamp for use in color copying by means of electrophotographic processes
01/18/1977US4004178 White light source
01/18/1977US4004065 Coated heat sensitive recording member
01/18/1977US4003845 Luminescent material
01/11/1977US4002905 Biodegradable nonionic surfactant and a dye
01/04/1977US4001139 Liquid scintillation solution
12/1976
12/28/1976US4000422 Method of luminescence detection of surface discontinuities
12/28/1976US4000247 Dielectric active medium for lasers
12/21/1976US3999070 Composition for use in scintillator systems
12/07/1976US3996472 Thermoluminescent materials utilizing rare earth oxyhalides activated with terbium
11/1976
11/30/1976US3994820 Polymers in oxalate chemiluminescent systems
11/16/1976US3992646 Plant growth type fluorescent lamp
11/16/1976US3992645 Magnesium aluminate gallate phosphors and reprographic lamp containing same
11/09/1976US3991163 Process for the production of III-V compounds
11/02/1976US3989977 Color picture tube
10/1976
10/26/1976US3988252 Process for the production of Ba(Sr)FCl:Eu phosphors
10/05/1976US3984587 Metal hydrides and alkyls
10/05/1976US3984586 Method of making a manganese-activated zinc sulphide electroluminescent powder
10/05/1976US3984346 Method of forming a high efficiency phosphor for photochromic glass information display systems
09/1976
09/21/1976US3981820 Silica sol containing fluorescent dye
09/21/1976US3981819 Phosphors, cathode ray tubes
09/21/1976US3981185 Postemulsifiable dye penetrant system and method for using same
09/14/1976US3980887 Silicon sensitized rare earth oxysulfide phosphors
08/1976
08/31/1976US3978079 Chemiluminescence