| 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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| 12/08/1992 | CA1311245C Process for the separation of toluene diisocyanate contained in process residues |
| 11/24/1992 | US5166402 Herbicidal α-(5-aryloxy-naphthalen-1-yl-oxy)-propionic acid derivatives |
| 11/24/1992 | US5166378 Selective monoacylation of substituted hydrazines |
| 11/24/1992 | CA1310608C Process for the preparation of carbodiimides |
| 11/03/1992 | US5160364 Thiophene substituted acrylic derivatives; insecticides, plant growth regulators |
| 11/03/1992 | CA1309724C Diisocyanates and a process for their preparation |
| 11/03/1992 | CA1309721C Process for the continuous production of mono- and polyisocyanates |
| 10/27/1992 | CA1309401C Fungicides |
| 09/22/1992 | US5149872 Process for the preparation of oxalyl- and oxamyl-hydrazides |
| 09/22/1992 | US5149805 Blocked with caprolactam, methyl ethyl ketoxime or diisobutyl ketoxime |
| 09/08/1992 | CA1307285C Process for the production of isocyanates |
| 08/05/1992 | EP0497678A1 2,5-Diaryl-1,3,4-oxadiazole hydroxyester, hydroxyacide and acetoxyacids, process for their synthesis |
| 07/31/1992 | CA2060268A1 2,5-diaryl-1,3,4-oxadiazole hydroxyester, hydroxyacid and acetoxyacid; process for synthesizing the same |
| 07/21/1992 | US5132041 Liquid crystal compounds having ether tail moiety |
| 07/21/1992 | CA1305493C Phenylacetylene-substituted schiff's base monomers and electroconductive polymers |
| 07/14/1992 | US5130466 Formation of a polyurethane from a diisocyanate containing an ester group |
| 07/14/1992 | CA1305171C Process for the preparation of ortho-substituted arylcarboximido-esters |
| 07/14/1992 | CA1305170C Phenoxyphenylthioureas, phenoxyphenylisothioureas and phenoxyphenylcarbodiimides and use thereof for controlling pests |
| 07/14/1992 | CA1305165C Process for the preparation of (cyclo)aliphatic diisocyanates |
| 07/14/1992 | CA1305162C Process for the production of isocyanates |
| 07/14/1992 | CA1305161C Aryloxyphenylthioureas, aryloxyphenylisothioureas and aryloxyphenylcarbo-diimides, their preparation and use in the control of pests |
| 07/08/1992 | CN1062527A Selective acylation of hydrazines |
| 07/07/1992 | US5128371 Acylated naphthlamines as plant fungicides |
| 07/07/1992 | US5128120 Quantitative determination of compounds in blood or urine |
| 07/01/1992 | EP0492839A1 Selective acylation of hydrazines |
| 06/30/1992 | US5126479 Process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics |
| 06/30/1992 | CA1304399C Process for the purification and the isolation of isocyanate condensates by liquid or supercritical co _extraction |
| 06/18/1992 | CA2057156A1 Selective acylation of hydrazines |
| 06/16/1992 | CA1303623C Preparation of cyclohexyl mono- and diurethanes and isocyanates derivedtherefrom by addition of methylcarbamates to limonene, process and compositions |
| 06/16/1992 | CA1303616C N-1-azabicyclo¬2,2,2|-oct-3yl)-benzamide compounds |
| 06/02/1992 | US5118701 Antiischemic agents, anticoagulants |
| 06/02/1992 | CA1302403C Amyloidosis and alzheimer's disease diagnostic assay and reagents therefor |
| 05/26/1992 | US5117048 Process for the continuous preparation of monoisocyanates or polyisocyanates |
| 05/19/1992 | US5114975 Insecticides and miticides |
| 05/19/1992 | CA1301176C Process for the preparation of optically active secondary arylamines |
| 05/13/1992 | EP0484518A1 Selective monoacylation of substituted hydrazines |
| 05/05/1992 | US5110986 Reaction of a 1,3,4-oxadiazole with a tert-alkyl cation precursor in presence of strong acid catalyst |
| 04/28/1992 | US5109120 Extended blood circulation life |
| 04/28/1992 | US5108489 Herbicidal disubstituted naphthalenes |
| 04/14/1992 | US5104572 High dichroic ratio, solubility, displays |
| 03/24/1992 | CA1297871C Fungicides |
| 03/10/1992 | US5095147 2,2-difluorocyclopropyl derivatives |
| 02/26/1992 | EP0472224A1 Fungicides |
| 02/25/1992 | US5091521 Cis-platinum complexes, a process for the preparation thereof, and pharmaceuticals containing these compounds |
| 02/25/1992 | CA1296350C 6-isocyanato caproic acid (3-isocyanato-2,2-dimethyl-1- propyl)-ester |
| 02/18/1992 | US5089639 N-cycloalkylalkylamines, process for their preparation, their use as a medicament and their synthesis intermediates |
| 02/18/1992 | CA1296016C Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective sno_or cuo catalysts |
| 02/11/1992 | US5087739 From diamines, urea, alcohols and by-products from thermal cracking |
| 02/04/1992 | CA1295338C Process for the preparation of organic isocyanates |
| 02/04/1992 | CA1295336C2 Synthetic intermediates for preparing substituted di-t-butylphenols |
| 01/14/1992 | US5081173 Emulsion and cross-linkable compositions containing polycarbodimides |
| 01/07/1992 | US5079384 Herbicidal (6-(hetero)aryloxy-naphthalen-2-yl-oxy-alkanecarboxylic acid derivatives |
| 01/07/1992 | US5079245 2-trifluoromethyl-7-substitute-6,7,8,9-tetrahydro-[5H]-benzocycloheptenes |
| 12/26/1991 | WO1991017978A3 Selective monoacylation of substituted hydrazines |
| 12/17/1991 | US5073184 Agricultural fungicides, insecticides, plant growth regulators |
| 11/28/1991 | WO1991017978A2 Selective monoacylation of substituted hydrazines |
| 11/26/1991 | CA1292434C Process for racemizing an optically active n-benzylidene amino-acid amide |
| 11/21/1991 | EP0457090A2 Process for the preparation of 3-amino-2 (het)aroyl-acrylic acid derivatives |
| 11/12/1991 | US5064832 Biaryl compounds |
| 11/12/1991 | CA1292006C Process for the production of diisocyanates, selected diisocyanates produced thereby and the production of polyurethane plastics therefrom |
| 11/06/1991 | CN1014606B Continuous preparation method of monoisocyanate or polyisocyanate |
| 10/15/1991 | US5057302 Bifunctional chelating agents |
| 10/08/1991 | CA1290348C Aromatization of dihydroaromatic compounds by treatment with bases |
| 10/08/1991 | CA1290326C Acrylic acid amides |
| 10/01/1991 | US5053073 Thiophene derivatives useful as fungicidal, insecticidal or plant growth regulating agents |
| 09/17/1991 | CA1289146C Diisocyanates, a process for their production and their use in the production of polyurethane plastics |
| 09/17/1991 | CA1289141C Process for the production of high energy material |
| 09/10/1991 | US5047588 Surface active polycarbodiimides and their dispersions |
| 09/10/1991 | US5047585 Process for racemizing an optically active N-benzylidene amino-acid amide |
| 09/10/1991 | US5047516 Wavesuides for altering light characteristics |
| 09/03/1991 | US5045226 Reaction product of tin compound with sulfonyl isocyanate, storage stability, polyurethanes |
| 08/27/1991 | US5043095 For temperature compensation and producing a large twist of helical structures |
| 08/27/1991 | CA1288093C CHIRAL ESTERS OF .alpha.-SUBSTITUTED PHENYLALKANOIC ACIDS AND MESOGENIC HYDROXY COMPOUNDS, AND THEIR USE AS A DOPING SUBSTANCE IN LIQUID CRYSTAL PHASES |
| 08/20/1991 | US5041667 Process for producing chlorophenylhydrazine compounds |
| 08/20/1991 | US5041618 α-arylacrylates and fungicides containing these compounds |
| 08/20/1991 | US5041609 Herbicidal (7-(hetero) aryloxynaphthalen-2-yl-oxy)-alkane-carboxylic |
| 08/14/1991 | EP0301021B1 Amide liquid crystal compounds: mixtures and devices using them |
| 08/13/1991 | US5039710 Viricides, antitumor agents |
| 08/13/1991 | CA1287647C Phenolic antioxidant hydrazides |
| 08/06/1991 | US5037968 Ion Selective Membranes Of Ion Selective Electrodes; Color Indicators |
| 07/23/1991 | US5034419 N-cycloalkylalkylamines, process for their preparation, their use as medicament and their synthesis intermediates |
| 07/23/1991 | US5034277 Film comprising at least one unimolecular layer |
| 07/02/1991 | CA1285561C Naphthoxazines |
| 06/25/1991 | US5026730 Anilinophenylthioureas, compositions containing them, and the use thereof in pest control |
| 06/25/1991 | US5026724 Compounds with bronchodilator activity |
| 06/18/1991 | CA1284986C Polyisocyanate preparations containing latent tin catalysts and a process for their preparation |
| 06/12/1991 | EP0431328A2 Fungicides |
| 06/04/1991 | US5021581 Fungicides |
| 05/21/1991 | US5017721 Process for the preparation of oxalyl- and oxamyl-hydrazides |
| 05/21/1991 | US5017611 Ethyl-3-(2-ethyl-2,2-dimethylhydrazinium)-propionate salts to treat arrhythmia |
| 05/14/1991 | US5015755 9-anthrylalkyl compounds |
| 05/14/1991 | US5015745 Ketalization, sulfonylation, amination and diazotization to form a demethoxydaunomycinone |
| 04/30/1991 | US5011994 Colorless ketimines their preparation and their use as cross-linking agent |
| 04/23/1991 | US5010189 Processes for the preparation of 5-amino-4-hydroxy-valeric acid derivatives |
| 04/23/1991 | CA1283419C Substituted di-t-butylphenols |
| 04/23/1991 | CA1283410C Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof |
| 04/18/1991 | DE4029119A1 Mono:methyl-hydrazine in aq. soln. - by reaction of chloramine and methylamine in presence of base, with extra heating stage to remove dangerous by-prods. before work-up |
| 04/16/1991 | US5008447 Process for the preparation of polyurethanes with liquid crystal properties and diisocyanates suitable for carrying out the process |
| 04/09/1991 | US5006660 Reacting a halogenbenzene with alcohol or phenol in presence od copper(or compound thereof), amine, and base |
| 04/03/1991 | EP0211030B1 Ferro-electric smectic liquid crystal materials based on terpenoid derivatives |