Patents
Patents for C07C 201 - Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton (5,786)
09/1977
09/13/1977US4048200 1,1,2-Tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes
09/06/1977US4046564 Electrophotographic imaging members with photoconductive layer containing electron acceptor monomers or polymers
08/1977
08/30/1977US4045496 With hydrogen peroxide
08/30/1977US4045455 Hydrocarbon solvent
08/23/1977US4044060 Process for preparing geminal dihalides
08/16/1977US4042604 Isolation of dinitroanthraquinone having a high content of α,α-d
08/16/1977US4042603 Intramolecular cyclization in a fatty acid ester solvent
08/02/1977US4039589 α-Substituted benzhydrol derivatives and a process for the preparation thereof
07/1977
07/26/1977US4038328 Process for preparing 2-nitro-4,6-dichloro-5-methylphenol
07/26/1977US4038278 4-aminopyrimidium derivatives and preparation thereof
07/19/1977US4036838 Process for the production of nitro derivatives of aromatic compounds
07/12/1977US4035291 Process for separating aqueous formaldehyde mixtures
07/05/1977US4033829 With dinitrophenol solution from styrene still residues
06/1977
06/28/1977US4032555 Alkali metal phenolate
05/1977
05/31/1977US4026955 Nitration of pentachlorobenzene, heating to deplete excess nitric acid
05/17/1977US4023958 Halogenated 4-trifluoromethyl-diphenyl-ether compounds and herbicidal compositions
05/03/1977US4021498 Adiabatic process for nitration of nitratable aromatic compounds
04/1977
04/19/1977US4018828 Process for recovering dialkylarylketone
04/12/1977US4017640 1-P-Alkylphenyl-1-p-(alkoxyphenyl)-2-nitroalkanes
04/12/1977US4017300 Halogenated 4-trifluoromethyl-diphenyl-ether herbicidal compositions
04/12/1977US4017295 3'-alkoxyethoxylated 2-chloro-4-(chloro- or trifluoromethyl)-4'-nitrodiphenyl ether
04/05/1977US4016193 Novel substituted phenylacetic acid derivatives and a process for preparing thereof
03/1977
03/29/1977US4014907 2-Hydroxy-3-nitro-1,4-naphthoquinones
03/15/1977US4012454 Iodination process
03/15/1977US4012426 Purification of 1-nitroanthraquinone
02/1977
02/15/1977US4008266 Coupling of aromatic compounds in the presence of molecular oxygen, a mercuric oxyanion compound, and a group VIII metal or group VIII metal oxyanion compound
02/08/1977US4007223 Oxidation of p-nitrotoluene, cobalt and bromine containing catalyst
01/1977
01/25/1977US4005102 Process for making 4-nitro-n-methylphthalimide
01/18/1977US4003953 2,4,6-trinitro-toluene; heating, dissolving
12/1976
12/28/1976US4000179 Manufacture of nitric esters
12/28/1976US4000167 Dyeing polyester fibers
12/21/1976US3998893 Reacting nitronaphthalene and nitric acid
12/21/1976US3998885 Precipitation of ammonium nitrate with ammonia gas; filtration
12/07/1976US3996289 Process for the preparation of 2-nitrobenzaldehyde
12/07/1976US3996252 Precipitation
12/07/1976US3996251 Preparation of pure 1,5-dinitroanthraquinone
10/1976
10/19/1976US3987108 Benzyl (benzyloxy) benzene derivatives
10/19/1976US3987102 Insecticides, acaricides
10/12/1976US3985811 5-Chloro-2-hydroxymethyl benzhydrol
10/12/1976US3985778 Process for the purification of crude nitroanthraquinone
10/05/1976US3984565 For the prophylaxis of asthma, hayfever, and rhinitis
10/05/1976US3984488 Dinitration of nitrobenzotrifluoride
10/05/1976US3984487 Preparation of petachloronitrobenzene
10/05/1976US3984440 Polyene compounds
09/1976
09/28/1976US3983156 Antiallergens
09/28/1976US3983149 Ammunition priming mixtures and method of forming same
09/21/1976US3981933 Sulfuric acid, nitric acid, toluene in methylene chloride
09/21/1976US3981897 Method for making certain halonium salt photoinitiators
09/14/1976US3980717 Manufacture of para-nitro-meta-cresol from meta/para-cresol mixtures
09/07/1976US3979467 Phosphorous compounds
08/1976
08/24/1976US3976704 Nitration process
08/24/1976US3976677 Process for carboxylating organic substrates with carbon dioxide in hydrocarbon solvents
08/17/1976US3975425 Process for carrying out nitrosation reactions and diazotation reactions
07/1976
07/13/1976US3969102 2,4-dichloro-3'-(b-chloroethoxy)-4'-nitro diphenyl ether
07/06/1976US3968130 Process for the nitration of anthraquinones
06/1976
06/29/1976US3966830 Silica, alumina
06/22/1976US3965179 Blocking, viricide, fungicide
06/15/1976US3963762 Process for producing 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinone
06/15/1976US3963761 Nitrating an anthraquinone
06/01/1976US3960903 Using sulfolan to separate from reaction mixture
06/01/1976US3960899 Cedrol, photolysis
05/1976
05/25/1976US3959395 Dinitrophenol from styrene tar, alkali metal or ammonium hydroxide
05/25/1976US3959318 Process for preparing highly pure 5-nitro-1,4,4a,9a-tetrahydroanthraquinone
05/18/1976US3957890 Process for the nitration of haloaromatics
05/18/1976US3957889 Selective nitration of aromatic and substituted aromatic compositions
05/18/1976US3957865 Herbicides
05/18/1976US3957861 Biphenylylpropionic acids and esters
05/11/1976US3956409 Reacting trinitrotoluene with ammonium sulfite
05/04/1976US3954892 Process for the purification of para-nitrophenol
05/04/1976US3954829 Herbicides
04/1976
04/13/1976US3950434 Method for producing biphenyls
04/13/1976US3950385 Preparation of nitronitrates
04/13/1976US3950265 Metal complex azo or phthalocyanine dyes
04/13/1976US3950247 Water, formaldehyde, polyvinyl chloride membranes
04/06/1976US3949008 Purification of crude dinitrotoluene by extraction with C5 -C8 alkanes
03/1976
03/16/1976US3944575 Tetranitro or tetraamino, polymer intermediates
02/1976
02/17/1976US3939185 Process for the preparation of 1-nitro-anthraquinone which is practically free of 1,5-dinitro-anthraquinone
01/1976
01/20/1976US3933929 Steam distillation, cooling, crystallization, decantation
01/20/1976US3933926 Preparation of nitrophenols
01/20/1976US3933837 Pesticides, viricides
01/13/1976US3932473 Process for the manufacture of 1-nitro-anthraquinone
01/06/1976US3931347 Purification of dinitrotoluene
01/06/1976US3931257 Polyene compounds
01/06/1976US3931255 Reducing oxime, iron(2) ions and hydrogen halide, oxidizing the naphthol
01/06/1976US3931252 Process for the preparation of pure 1-nitroanthraquinone
01/06/1976US3931251 From anthraquinone, purification using sulfurous acid salt
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