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Class Information
Number: 546/102
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Hetero ring is six-membered consisting of one nitrogen and five carbons > Polycyclo ring system having the six-membered hetero ring as one of the cyclos > Tricyclo ring system having the six-membered hetero ring as one of the cyclos > Each of the three cyclos is six-membered (e.g., benzoquinolines, etc.) > Acridines (including hydrogenated)

Sub-classes under this class:

Class Number Class Name Patents
546/103 Chalcogen bonded directly to ring carbon of the six-membered hetero ring 117
546/104 Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the acridine ring system by nonionic bonding 193

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
3963722 Magnesium halide derivatives of tetrahydroquinolines Jun. 15, 1976
3957757 Novel dibenzo (b,f) azepines May. 18, 1976
3946004 Phenothiazines, phenoxazines and acridan bis-pyrrolinyl derivatives Mar. 23, 1976
3941792 Charge transfer complexes containing 7,7,8,8-tetracyanoquinodimethane and an N-substituted quaternary quinoline Mar. 2, 1976
3936457 Substituted 9-benzylacridines Feb. 3, 1976

1 2 3 4 5

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