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Class Information
Number: 976/DIG.421
Name: Nuclear technology > Applications of radiation from radioactive sources or arrangements therefor [g21h-5/00] ***

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.422 As tracers [g21h-5/02] *** (medicinal preparations containing radioactive substances a61k-43/00; investigating or analyzing biological material g01n-33/16) 23

Patents under this class:

Patent Number Title Of Patent Date Issued
4399364 Diamond treatment Aug. 16, 1983
4088896 Actinic radiation emissive pattern defining masks for fine line lithography and lithography utilizing such masks May. 9, 1978
4031388 Method for the analysis of isotopes Jun. 21, 1977
4027661 Pressure sensor Jun. 7, 1977
4025365 Method of producing homogeneously doped p-conductive semiconductor materials May. 24, 1977
4012300 Method of altering the friability of abrasive particles Mar. 15, 1977
3974390 Method of producing excited states of atomic nuclei Aug. 10, 1976
3964984 Method of producing photochromic sodalite crystals Jun. 22, 1976
3936188 Color sorting of irradiated materials and a calibrated color comparison array Feb. 3, 1976

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