Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
09/1981
09/22/1981US4290961 Process for catalytically reducing carbonyl compounds
09/22/1981US4290920 Improve performace of used catalysts
09/22/1981CA1109489A1 Production of unsaturated carbonyl compounds
09/22/1981CA1109486A1 Process for the production of di-n-propylacetic acid
09/22/1981CA1109483A1 Method for isolating insect sex pheromones
09/22/1981CA1109481A1 Process for the preparation of para-benzoquinone
09/22/1981CA1109274A1 Rhodium recovery from hydroformylation still heel with triaryl phosphite ligand
09/17/1981WO1981002518A1 Halogen containing cyclohexane derivatives,methods of preparation and compositions containing same
09/16/1981EP0035902A1 1-(4-Aryl-cyclohexyl)piperidine derivatives
09/16/1981EP0035860A2 Process for producing ethylidene diacetate and/or acetaldehyde
09/16/1981EP0035754A2 Process for manufacturing 1,1-dichloro-alkenes
09/16/1981EP0035753A2 Process for manufacturing 1,1-dichloro-alkenes
09/16/1981EP0035724A2 Process for manufacturing 1,1-dihalogenated alkenes
09/16/1981EP0035649A2 Liquid cold-stable titanium catalyst composition and process for its preparation
09/16/1981EP0035562A1 Substituted cycle alcohols, methods of preparing and compositions containing same
09/15/1981US4289913 Process for preparing 3-(4)-formyltricyclo-[5,2,1,02,6 ]-decene-8
09/15/1981US4289912 Stabilization of liquid paraformaldehyde
09/15/1981US4289911 Catalytic condensation and hydrogenation of acetone
09/15/1981US4289910 Prostaglandin analogs
09/15/1981US4289909 Process for preparing 1-dichloroacyl-4-substituted phenoxy benzene and intermediates therefor
09/15/1981US4289661 Acetyl hydrindacenes, acetyl indanes, mixtures of same, processes for preparing same and organoleptic uses thereof
09/15/1981US4289659 Cyclic C6 esters and their use in perfumes
09/15/1981US4289658 Perfumes
09/15/1981US4289145 Use of acyl trimethyl cyclohexene derivatives in augmenting or enhancing the organoleptic properties of smoking tobacco or smoking tobacco article
09/15/1981CA1109072A1 Process for the preparation of novel 5-alkyl-benz- imidazole-derivatives
09/15/1981CA1109017A1 Purification of oxo aldehydes
09/09/1981EP0035363A1 Indane derivatives, methods of their preparation and compositions containing them
09/09/1981EP0035305A2 Process for preparing esters of 2-(6'-methoxy-2'-naphtyl)-propionic acid via rearrangement of new ketals of 2-halo-1-(6'-methoxy-2'-naphtyl)-propan-1-one
09/09/1981EP0035228A1 Tetrazole derivatives, process for the preparation thereof, and anti-ulcer composition containing the same
09/09/1981EP0035060A1 Process for preparing cyclopentenolones
09/08/1981USRE30739 Anorexic chromans
09/08/1981US4288643 Process for preparing 2,3-dimethyl-butene-2
09/08/1981US4288636 Preparation of citral
09/08/1981US4288635 Bromination with cupric bromide, lithium carbonate
09/08/1981US4288634 Hydroformylation of olefins
09/08/1981US4288633 1-Hydroxymethyl-11-deoxy-16-hydroxy-prosten-1-ol-derivatives
09/08/1981US4288632 1-Hydroxymethyl-11,16-dihydroxy-prosten-1-ol derivatives
09/08/1981US4288631 3-alkylhydroxybenzophenones
09/08/1981US4288630 Hypotensives, antisecretory, anticoagulants, bronchodilators
09/08/1981US4288613 Cyclopentanone synthesis
09/08/1981US4288608 Synthesis of anthracyclines
09/08/1981US4288558 Process for the manufacture of oxygen-containing carbon compounds from synthesis gas
09/08/1981US4288453 A-(1-phenyl-2,2,2-trifluoroethoxy (or -ethylthio))alkanoic acids useful as anticholesterol and antilipemic agents
09/08/1981US4288440 Hypoglycemic
09/08/1981US4288386 Coupling aryl halides with metal phenolates, copper catalyst, tertiary amine sequestering agent
09/08/1981US4288380 Hydroformylation catalysts
09/08/1981CA1108647A1 Method for synthesis of 2-hydroxy-3-methyl cyclopent- 2-ene-1-one
09/08/1981CA1108646A1 PROCESS FOR THE PREPARATION OF .delta.-OXOACETALS
09/03/1981WO1981002427A1 Fermentation of bile
09/02/1981EP0034876A2 Branched amides of L-aspartyl-D-amino acid dipeptides and compositions thereof
09/02/1981EP0034871A2 Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals
09/02/1981EP0034837A1 P-tert.-butylbenzal bromide and its derivatives substituted in the nucleus by halogen
09/02/1981EP0034804A2 Process for the preparation of superior saturated ketones
09/02/1981EP0034741A2 Process for the preparation of a substituted bromofluorobenzene and 3-bromo-4-fluorobenzonitrile
09/02/1981EP0034738A1 Process for the continuous ozonolysis of Beta-pinenes
09/02/1981EP0034649A2 Alkoxylation of phenolic compounds
09/01/1981US4287370 By hydroformylation of 1-butene in the presence of a complex catalyst of rhodium, carbon monoxide and a triorganophosphine
09/01/1981US4287369 Hydroformylation of alkenes to aldehydes
09/01/1981US4287335 Wherein said compound is a styrylpyridinium salt or a styrylquinolinium salt useful in producing a photosensitive resin
09/01/1981US4287213 Dichloroacyl diphenyl ether mite ovacides
09/01/1981US4287212 2-Aryl-1,2-dialkylcycloalkylamines
09/01/1981US4287209 Derivatives of phenoxyalkylcarboxylic acids
09/01/1981US4287133 6-Hydroxy-2,6-dimethylheptanal, organoleptic uses thereof and processes for preparing the same
09/01/1981US4287127 By reduction of a butyraldehyde ether to a buranol ether, followed by cleavage and ring formation
09/01/1981US4287094 Silicon substituted dialkyl or diaryl sulfides as ligands
09/01/1981US4287084 Wherein the olefins are dimers of isoamylene
09/01/1981US4287081 Bridged ketones, process for preparing same and use thereof in augmenting or enhancing the organoleptic properties of consumable materials
09/01/1981EP0035562A4 Substituted cycle alcohols, methods of preparing and compositions containing same.
09/01/1981CA1108186A1 Process for the preparation of 4-hydroxy-4-alkyl-2,5- cyclohexanedien-1-one
09/01/1981CA1108185A1 Process for preparing hindered phenolic aldehydes
08/1981
08/31/1981EP0027796A4 Chroman and chromanon-4 derivatives, process for their preparation, antioxidant compositions containing same and their use for stabilizing edible fats and oils.
08/26/1981EP0034567A2 A method for the total synthesis of cyclosporins and novel cyclosporins
08/26/1981EP0034442A2 Process for the preparation of unsaturated aldehydes and unsaturated acids
08/26/1981EP0034430A1 Process for preparing arylacetaldehydes
08/26/1981EP0034402A2 Method of preparing fluorine-substituted diphenyl ether derivatives and fluorine-substituted halogeno benzene derivatives for use therein
08/25/1981US4285867 Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, derivatives thereof and intermediates therefor
08/25/1981US4285811 Purification of formaldehyde by separation
08/25/1981US4285777 Process for the purification of benzaldehyde
08/25/1981US4285349 Cigarettes
08/25/1981US4285284 Seeder with pivoting soil breakers
08/25/1981CA1107731A1 PROCESS FOR SEPARATING 11-CYANOUNDECANOIC ACID, CYCLOHEXANONE AND .epsilon.-CAPROLACTAM
08/19/1981EP0033959A1 Unsaturated spiro-compound, its use in perfumes and aromas and process for its preparation
08/19/1981EP0033880A1 Process for the preparation of formaldehyde
08/19/1981EP0033863A1 Process for the production of cis-bicyclo (3.3.0)octane-3,7-dione, and its use
08/18/1981US4284835 Hydrogenation process
08/18/1981US4284834 Diethynyl aromatic hydrocarbons which homopolymerize and char efficiently after cure
08/18/1981US4284829 Hydroxyalkyl and oxoalkyl substituted phenols as analgesics and sedatives
08/18/1981US4284824 Methyl substituted norborane carboxaldehydes
08/18/1981US4284823 Process for preparing 3-(3,5-di-tert.alkyl-4-hydroxy-phenyl)-2,2-di-substituted propionaldehydes
08/18/1981US4284822 Process for preparing hexafluoroacetone
08/18/1981US4284821 Dichlorovinylcyclobutanones, processes for preparing them, and their use as intermediates for producing pesticidal compositions
08/18/1981US4284820 3,6,6-Trimethylbicyclo[3.1.0]hexane derivatives as pyrethrod intermediates
08/18/1981US4284818 Process for preparing hexamethyltetrahydronaphthalenes
08/18/1981US4284654 Use of 1-hydroxy-1-ethynyl-2,2,6-trimethyl cyclohexane in augmenting or enhancing the aroma or taste of foodstuffs
08/18/1981US4284576 And naphthalene and phthalic anhydride, reacting with oxygen
08/18/1981US4284565 Total synthesis of 1RS,4SR,5RS-4-(4,8-dimethyl)-5-hydroxy-7-nonen-1-yl)-4-methyl-3,8-dioxabicyclo[3.2.1]octane-1-acetic acid and related compounds
08/18/1981CA1107444A1 Light-sensitive materials
08/18/1981CA1107302A1 Process for the hydrocarbonylation of methanol to ethanol in the presence of an inert liquid
08/18/1981CA1107300A1 Process for the preparation of 1,1-dihalo-4-methyl-1, 3-pentadienes
08/18/1981CA1107299A1 Process for the purification of benzaldehyde