Patents
Patents for C07D 257 - Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms (9,612)
08/1978
08/29/1978US4110338 Product and preparation of 1H-tetrazole-5-thiol derivatives
08/22/1978US4108860 Triazolobenzisothiazole-1,1-dioxides
08/22/1978US4108663 Photographic developing agents, process for developing using same, and light-sensitive materials containing same
08/08/1978US4105452 Multi-layered color photographic light-sensitive material
07/1978
07/25/1978US4103015 Antiallergic cyclic sulphur compounds
07/18/1978US4101656 7β-Acylamino-3-(alkanesulfonamidoalkyl substituted tetrazolylthiomethyl) cephalosporins, antibacterial compositions containing them and methods of treating bacterial infections with them
07/11/1978US4100346 Certain 7(o-amino-methyl- or methylaminomethylphenyl- or cyclohexadienyl- or thienylacetamide)-3[1-carboxymethyl-(or ethyl- or propyl-)-tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acids
06/1978
06/27/1978US4097669 Fungicides, bactericides, insecticides, arthropodicides
06/27/1978US4097479 Synthesis of 5-substituted tetrazoles
06/20/1978US4096267 (1-Oxo-2-aryl or thienyl-2-substituted-5-indanyloxy (or thio) alkanoic acids, and derivatives thereof
06/20/1978US4096263 Smooth muscle relaxants
06/20/1978US4096256 7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl) cephalosporins, antibacterial compositions containing them, and methods of treating bacterial infections using them
06/20/1978US4096153 Arylene-bis-tetrazole-5-carboxamides
06/13/1978US4094968 Treatment for allergy and method of composition thereof
06/13/1978US4094879 Production of 5-nitrotetrazole salts
06/06/1978US4093723 Antibiotics
06/06/1978US4093623 Von herz process, sodium nitrite
06/06/1978US4093615 Cyclic oligomers of N-substituted aziridines
05/1978
05/30/1978US4092349 11-Desoxy-15-thiaprostaglandins
05/23/1978US4091207 Prostaglandin intermediate including oxathio heterocyclic ring
05/16/1978US4089962 Acylamino triazoles as antiasthmatic agents
05/09/1978US4088491 Light sensitive photographic material
05/02/1978US4087604 Substituted ω-pentanorprostaglandins
05/02/1978US4087549 Antiinflammatory, antipyretic, analgesic
04/1978
04/25/1978US4086228 Process for preparing cyclotetramethylenetetranitramine
04/18/1978US4085219 1-Oxo-2,2-disubstituted-5-indanyloxy(or thio)alkanoic acids
04/18/1978US4085212 Fungicides
03/1978
03/28/1978US4081554 1-oxo-2,2-disubstituted-5-indanyloxy(or thio)alkano acids
03/21/1978US4080474 Hypolipidaemic compositions
02/1978
02/28/1978US4076718 2,6-Pyridinediyl-bis-tetrazol-5-carboxamides
02/21/1978US4075021 Compound which releases a substance which promotes bleaching of developed silver
01/1978
01/31/1978US4071365 Silver halide emulsion containing two-equivalent yellow dye-forming coupler
01/24/1978US4070539 [1-Oxo-2-halo(or hydrogen) indanyloxy]-alkanoic acid
01/17/1978US4069343 Oxamic acid derivatives for the prevention of immediate type hypersensitivity reactions
01/10/1978US4068073 Bactericides
01/10/1978US4068066 Antibiotics
01/03/1978US4066831 Antibiotics
01/03/1978US4066762 Derivatives of 7-(2-substituted-2-hydroxyiminoacetamido)-3-(1-substituted tetrazol-5-ylthiomethyl-3-cephem-4-carboxylic acid
01/03/1978US4066761 7-Acyl-3-(ureidoalkyl substituted tetrazolylthiomethyl)cephalosporins
12/1977
12/27/1977US4065623 O-2-Isocephem-4-carboxylic acid derivatives as antibacterial agents
12/27/1977US4065622 O-2-Isocephem-4-carboxylic acid derivatives as antibacterial agents
12/20/1977US4064122 Hydroxy-substituted cephalosporins
12/20/1977US4063950 DIR coupler that forms colorless reaction product
12/13/1977US4062895 2-(3-Phenoxyphenyl) propanol
11/1977
11/22/1977US4059703 1-substituted phenyl-5-amino tetrazoles
11/22/1977US4059592 Coupling agents
11/22/1977US4059591 Ureidoalkyl substituted tetrazole thiol intermediates for preparing cephalosporins
11/15/1977US4058559 Hypotensive agents, diuretics, uricosuric agents
11/08/1977US4057632 Antibody-antigen inhibitors
11/08/1977US4057631 Cephalosporins, bactericide
10/1977
10/18/1977US4054666 Compositions and methods of treating immediate hypersensitivity reactions with thiazolyl oxamic acid derivatives
10/18/1977US4054661 Pyridyl oxamic acid derivatives and use in the prevention of allergic reactions
10/18/1977US4054657 Antianaphylactic
09/1977
09/20/1977US4049455 Development inhibitor releasing compound
09/13/1977US4048311 7-Acyl-3-(sulfonic acid and sulfamoyl substituted tetrazolyl thiomethyl)cephalosporins
09/13/1977US4048187 5-(2-Hydroxyphenyl)tetrazolyl compounds
08/1977
08/23/1977US4044144 Antiallergy
08/02/1977US4039556 Antiallergens, fluoronene or anthraquinone substituted by tetrazolyl
07/1977
07/19/1977US4036849 1-(Para-substituted-phenyl)-1H-tetrazoles
07/19/1977US4036837 2 Alkoxyoxamoyl-pyrazines
07/19/1977US4036833 7-[(5'-N-methylthioacetamido)-adipoamido] cephalosporin derivatives
07/12/1977US4035360 Tissue specificity, crystalline
07/05/1977US4034090 Antibacterial
06/1977
06/14/1977US4029503 Diffusible-dye releasing type dyes which couple to form colorless products
05/1977
05/31/1977US4027023 Cinnolin-3-yl carboxylic acids and derivatives
05/24/1977US4025626 Antibacterial
05/17/1977US4024179 Substituted ω-pentanorprostaglandins
04/1977
04/12/1977US4017488 Process for preparing 7β-acylamino-7α-alkoxycephalosporins
04/05/1977US4016278 Pesticidal carbamates
03/1977
03/22/1977US4013648 Beta-lactam antibiotics
03/22/1977US4013647 Antiallergens
03/15/1977US4012524 Diuretics, saluretics, hypouricemics, hypotensives, antiedemics
03/15/1977US4012500 Method and composition to inhibit symptoms of allergy
03/15/1977US4012383 Bactericides
03/01/1977US4010179 Antimicrobial, antineoplastic
02/1977
02/01/1977US4006180 Diuretic
01/1977
01/18/1977US4003927 Diuretics
01/18/1977US4003910 Meso-ionic se- and s-containing tetrazoles
01/04/1977US4001322 Antiinflammatory, analgesic, antipyretic
01/04/1977US4001212 Macrocyclic polyamines
10/1976
10/26/1976US3988326 Cephalosporinsand derivatives; a mixed acid anhydride of an alkali metal acid sulfate and a carboxylic acid
10/19/1976US3987034 Process for the preparation of tetrazocine derivatives
10/05/1976US3984534 Tetrazolyl anthraquinones for inhibiting the release of spasmogen mediators
10/05/1976US3984465 Diuretic, saluretic and uricosuric
10/05/1976US3984429 Immunological activity, inhibits the release of spasmogen mediators
10/05/1976US3984400 11-Desoxy-16-aryl-ω-tetranorprostaglandins
09/1976
09/07/1976US3979379 Process for producing 1,3,5,7-tetraalkanoyl-1,3,5,7-octahydrotetrazocines
08/1976
08/31/1976US3978063 1,2,3,4-Tetrahydroisoquinoline derivatives and the preparation thereof
08/31/1976US3978047 Substituted tetrazocines and process therefor
08/31/1976US3978046 Preparation of octahydro-1,3,5,7-tetraalkanoyl-1,3,5,7-tetrazocines
08/31/1976US3977981 Inhibiting corrosion with macrocyclic tetramine corrosion inhibitors
08/24/1976US3976686 Diuretic, saluretic, uricosuric
08/24/1976US3976681 [1,3-Dioxo-2-substituted and 2,2-disubstituted- indanyloxy (or thio] alkanoic acids
08/17/1976US3975395 Photographic additive
08/10/1976US3974212 [1-Hydroximino-2,2-disubstituted-5-indanyloxy-(or thio)]alkanoic acids
06/1976
06/29/1976US3966966 Diuretics
06/29/1976US3966965 Antiallergens
06/08/1976US3962273 Novel method for the synthesis of 4-thio and 4-seleno ethers of 2-pyrazolin-5-ones
06/08/1976US3962272 1h-tetrazole-1-acetate esters and acids and process therefor
06/08/1976US3962232 Antibiotics
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