Patents
Patents for C07D 491 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or (29,726)
05/1976
05/25/1976US3959475 Antidepressant, tranquilizer, analgesic
05/25/1976US3959312 Synthesis of antitumor alkaloid deoxyharringtonine and its precursor 3'-0-(5-methyl-2-oxohexanoyl)-cephalotaxine
05/25/1976US3959290 3,14-Substituted-8-oxamorphinans
05/04/1976US3954737 Antibiotics
04/1976
04/20/1976US3952025 Analgesic, tranquilizer
04/06/1976US3948919 Adrenergic, bronchodilators
03/1976
03/30/1976US3947408 Pyrrolo-benzodiazepines, method of preparation and method of use
03/23/1976US3946017 Lactones of the benzaxanthere series and dye-forming components for use in duplication processes
03/23/1976US3946008 Substituted benzopyrano[3,4-c]pyridines
03/09/1976US3943137 Antitumor
03/02/1976US3941797 4-(Hydroxy-substituted-amino)-furo[3,2-c]pyridines
02/1976
02/24/1976US3940401 4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidine
02/24/1976US3940363 Piperidine derivatives and their use as stabilizers
02/17/1976US3939178 Certain pyrano [3,4-b]indoles and thiopyrano[3,4-b]indoles
01/1976
01/20/1976US3933818 Heterocyclic compounds
01/20/1976US3933800 New 3-formylrifamycin SV derivatives
01/13/1976US3932636 2 And 3-substituted-4-(heterocyclic-amino-sulfonyl)benzene sulfonamides as cerebral vasodilators
01/13/1976US3932432 Alkylphenyl benzopyranopyridines
01/13/1976US3932415 Dye lasers
01/13/1976US3932384 Dibenzazecines
01/06/1976US3931219 From hexahydrofuro(3,4-d)-imidazole-2,4-dione and a dithiocarbamate
01/06/1976US3931207 Antiarthritic
01/06/1976US3931205 Substituted alkanoic acids and derivatives
01/06/1976US3931199 Antiallergy
01/06/1976US3931179 N,N-Bis(4-Quinazolinyl)alkanediamines
01/06/1976US3930672 Pressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acid