| Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288) |
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| 04/04/1978 | US4082787 Thermal dehydrochlorination of methyl carbamyl chloride |
| 04/04/1978 | US4082773 Antifibrillatory agents, disinfectants, water softeners |
| 03/28/1978 | US4081472 Process for preparation of aromatic isocyanates |
| 03/14/1978 | US4079080 Preparation of ketazine and catalyst therefor |
| 02/28/1978 | US4076843 5,6,7,8-Tetrahydronaphthalene hypotensive agents |
| 02/28/1978 | CA1027063A1 Separation process of cetazines of raw synthesis mixes |
| 02/14/1978 | US4074060 Auramine salts |
| 01/31/1978 | US4071633 Fungicidal N-trichloroacetyl-N'-chlorobenzoylhydrazine derivatives |
| 01/17/1978 | US4069377 Polymerization of ethylenically unsaturated monomers employing secondary-aliphatic α-substituted azoalkanes |
| 01/17/1978 | US4069238 Manufacture of aliphatic isocyanates |
| 01/10/1978 | US4068065 Compounds and process |
| 01/10/1978 | US4067820 Phosphorous containing |
| 01/03/1978 | US4066698 Process for the manufacture of organic hydrazines |
| 01/03/1978 | US4066665 2-Alkylamino-α-phenyl-1-cyclohexene-1-methyleneimine, its salts and preparation |
| 01/03/1978 | CA1023743A1 Preparation process for hydrazine compounds |
| 12/27/1977 | US4065362 Purification of organic isocyanates |
| 12/20/1977 | US4064349 Novel 2-hydroxynaphthalene-1-aldehydes, process for preparing them and their use |
| 12/20/1977 | US4064151 Isocyanate intermediates |
| 12/13/1977 | US4062934 X-ray contrast media |
| 11/22/1977 | US4059610 Process for preparing isocyanic acid derivatives |
| 11/08/1977 | US4057556 Antiallergens |
| 11/01/1977 | US4056547 Process for the preparation of organic isocyanate compounds |
| 11/01/1977 | US4056469 Purification of waste water from hydrazine production |
| 08/30/1977 | US4045486 From cyclohexanone and a primary aryl amine |
| 08/30/1977 | US4045462 Bicyclic triisocyanates |
| 08/23/1977 | US4043976 Stabilized olefin polymer composition |
| 08/23/1977 | US4043818 Process for hardening photographic layers with carbodiimide compounds containing sulphobetaine groups |
| 08/02/1977 | US4039580 Process for preparing di(aminophenyl)methanes |
| 08/02/1977 | US4039521 Aromatic diazonium bis(fluorinated alkylsulfonyl) methides |
| 06/21/1977 | US4031026 Polyurethane intermediates |
| 06/14/1977 | US4029686 Production of isocyanates |
| 05/31/1977 | US4026943 Enriching trans,trans-isomer content of di-(p-aminocyclohexyl)-methane by treating with trans,trans-isomer of its bis-benzaldimine |
| 05/24/1977 | US4025647 Salicylanilide derivatives having anthelmintic activity |
| 05/24/1977 | US4025543 Process for the preparation of 1,4-naphthodinitrile |
| 05/24/1977 | US4025502 Secondary-aliphatic α-substituted azoalkanes |
| 05/10/1977 | US4022832 2-Aminoacetamido-α-phenylbenzylideneaminoalkanol derivatives and process for the preparation thereof |
| 04/26/1977 | US4020104 Using benzaldehyde |
| 04/19/1977 | US4018751 Continuous process for aminoazobenzene |
| 03/29/1977 | US4014935 Heating an aromatic polyisocyanate in a phosphorus compound |
| 03/22/1977 | US4013701 Process for the production of polyisocyanates |
| 01/25/1977 | US4005179 Working up synthesis solutions obtained in production of hydrazine |
| 01/18/1977 | US4003938 Thermal decomposition of beta-naphthyl carbamates |
| 01/18/1977 | US4003747 Photosensitive azide compound containing color-forming element |
| 01/11/1977 | US4002733 Water resistance |
| 01/11/1977 | US4002680 By reacting acyl hydrazides with carboxylic acids in the presence of thionyl chloride |
| 12/28/1976 | US4000099 Tar urethane composition |
| 11/30/1976 | US3995053 Acaricidal and insecticidal compositions |
| 11/23/1976 | US3993682 Substituted phenylguanidines and processes for their preparation and use |
| 11/23/1976 | US3993677 Animal growth regulators, herbicides |
| 11/16/1976 | US3992368 From a hydrazone |
| 11/09/1976 | US3991094 Thermal decomposition |
| 10/19/1976 | US3987108 Benzyl (benzyloxy) benzene derivatives |
| 10/05/1976 | US3984392 Anisotropic |
| 08/31/1976 | US3978105 Manufacture of organic isocyanates |
| 08/31/1976 | US3978049 Process for the preparation of hydrazine compounds |
| 08/17/1976 | US3975425 Process for carrying out nitrosation reactions and diazotation reactions |
| 08/10/1976 | US3974159 Manufacture of derivatives of malondialdehyde |
| 08/03/1976 | US3972921 Synthesis of racemic 2-deutero-3-fluoro-alanine and its salts |
| 07/20/1976 | US3970460 3-tolylthio-5-alkoxy-diazonium |
| 07/13/1976 | US3969389 Manufacture of aliphatic isocyanates |
| 07/13/1976 | US3969388 Manufacture of alkylisocyanates |
| 07/06/1976 | US3968129 Cardiovascular |
| 06/22/1976 | US3965174 Process for preparing N,N-disubstituted acid hydrazides |
| 06/22/1976 | US3965097 From oxaziridine and ammonia |
| 06/15/1976 | US3963710 Finely divided blocked isocyanates prepared in the presence of surfactants |
| 06/08/1976 | US3962471 Indolylacetylamino acid derivatives, process for their preparation, and pharmaceutical compositions |
| 06/08/1976 | US3962290 Process for n,n,n',n'-tetraarylquinone diimonium salts |
| 06/01/1976 | US3960915 Pyrolysis of 5-isopropenyl-1,3,4-dioxazolinone-2 |
| 05/25/1976 | US3959372 Glyoxylic acid hydrazide-2-acylhydrazone compounds |
| 05/25/1976 | US3959262 Method for preparing azines |
| 05/11/1976 | US3956468 Process for the preparation of carbonyldiisocyanate |
| 05/11/1976 | US3956282 Ammonia, carbonyl compound, hydrogen peroxide, carboxylic ester |
| 04/20/1976 | US3952042 From an arylamine and formaldehyde |
| 04/20/1976 | US3952027 1,5-diazido-2,3-cyclohexanediol, antibiotic intermediates |
| 04/20/1976 | US3951964 From ammonia and a carbonyl compound |
| 04/20/1976 | US3951943 Coupling process in the preparation of disazo diimides |
| 04/06/1976 | US3948966 Process for preparing benzene derivatives having isocyanatomethyl group |
| 03/30/1976 | US3947587 Analgesics obtained by reacting a primary amine and an aldehyde |
| 03/09/1976 | US3943152 Method for preparing azines |
| 03/09/1976 | US3943132 Process for the preparation of hydrazones |
| 03/02/1976 | US3941873 Process for the preparation of carbonyl diisocyanate |
| 02/03/1976 | US3936484 Production of isocyanates from substituted ureas |
| 01/20/1976 | US3933910 Process for the production of ketazines |
| 01/20/1976 | US3933874 Method for preparing of β-anilino-β-hydrazinoacrylates |
| 01/13/1976 | US3932357 Polyurethane lacquer composition based on isophorone diisocyanate and diamine bis-aldime |
| 01/06/1976 | US3931343 Oxygen-free environment |
| 01/06/1976 | US3931103 Copper inhibitors for polyolefins |
| 01/06/1976 | US3930968 Process for the manufacture of phenylhydrazine |