Patents for G21G 4 - Radioactive sources (2,045)
12/1980
12/09/1980CA1091039A1 Multiple ph alumina columns for molybdenum- 99/technetium-99m generators
11/1980
11/11/1980US4233285 Chelate with radioactive heavy metal ion for imaging kidneys, brains, tumors, and hearts
10/1980
10/02/1980WO1980002082A1 Radioisotope generator
09/1980
09/30/1980CA1086869A1 Cold neutron radiographic apparatus and method
09/17/1980EP0015807A1 Process for manufacturing a radioactive source and radioactive source thus obtained
07/1980
07/22/1980US4213646 Radioactive source manipulator and stowage device
07/01/1980US4210813 Ionizing radiation generator
06/1980
06/24/1980CA1080371A1 Radiation source
06/03/1980US4206358 Technetium-99 generators
04/1980
04/08/1980US4197170 Used for smoke detectors
02/1980
02/12/1980US4188539 Nuclide generator for preparing radio-nuclides
02/05/1980US4187432 Source holder for mounting radioactive foil and holder-foil assembly
12/1979
12/04/1979US4177378 Long-lived reference cell simulating the α scintillation of radon-222
07/1979
07/10/1979US4160910 Rechargeable 99MO/99MTC generator system
07/10/1979CA1057946A1 82sr-82rb radioisotope generator
01/1979
01/09/1979US4134016 Cold neutron radiographic apparatus and method
10/1978
10/31/1978US4123498 Process for separating fission product molybdenum from an irradiated target material
10/31/1978US4123497 Cation exchange to form insoluable salt
09/1978
09/19/1978US4115541 With methylene diphosphonate or 1-aminoethane-1,1-diphosphonate
08/1978
08/22/1978US4109153 Variable-fluence neutron source
07/1978
07/18/1978US4101278 Ionization detector utilizing tritiated scandium with an acceptable tritium emanation rate at high temperature
04/1978
04/18/1978US4085331 Sources of nuclear radiation
01/1978
01/17/1978US4069423 Radiation source shielding and collimating device
11/1977
11/22/1977US4059769 Starting material radiation source for Mossbauer investigations of tellurium compounds
11/15/1977US4058486 Producing X-rays
10/1977
10/25/1977US4055686 Method of forming metal hydride films
08/1977
08/16/1977US4042827 Stimulated emission X-ray generator
08/09/1977US4041317 Multiple pH alumina columns for molybdenum-99/technetium-99m generators
07/1977
07/05/1977US4033884 Calibration source
04/1977
04/26/1977US4020351 Self-contained, portable system for dispensing technetium-99
04/12/1977US4017583 Volitilization process for separation of molybdenum-99 from irradiated uranium
04/05/1977US4016095 Phenol-aldehyde resin with chemically bonded radioactive material
03/1977
03/15/1977US4012640 X-ray generator
01/1977
01/25/1977US4004970 Radiation source for mossbauer investigations of tellurium compounds and method of preparing same
01/04/1977US4001588 Radioactive heat source and method of making same
12/1976
12/14/1976US3997466 Metallic foil coated with scandium tritide for use as a beta particle source in an ionization detector at high temperatures and method of manufacture
09/1976
09/28/1976US3983219 High purity polonium recovery
09/21/1976US3981805 Concentric cylinders separated by a gas, tantalum, molybdenum and platinum alloys
08/1976
08/24/1976US3976888 Fission fragment driven neutron source
08/10/1976US3974088 Mock iodine-125 radiation source
07/1976
07/20/1976US3970855 Positron probes for mechanical fatigue detection system
07/20/1976US3970583 Isotope generator provided with a carrier material which in addition to Al2 O3 contains fully or partly hydrated MnO2
06/1976
06/15/1976US3963934 Tritium target for neutron source
04/1976
04/27/1976US3953567 Ion exchange resins, elution
04/27/1976US3953288 Gas venting
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