| 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) |
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| 03/19/1991 | US5000832 Purification of aqueous glyoxal solutions |
| 03/19/1991 | CA1281704C Transition metal complex catalyzed processes |
| 03/14/1991 | DE3930145A1 Supported catalyst for low-temp. oxidn. of organic cpds. etc. - comprises support loaded with transition metal phthalocyanine and amine, activated by heating in nitrogen etc. |
| 03/14/1991 | CA2025150A1 Pyridinyl-quinolone compounds, their preparation and use |
| 03/13/1991 | EP0416953A2 10-(1-Hydroxyethyl)-11-oxo-1-azatricyclo[7.2.0.0.3,8]undec-2-ene-2-carboxylic acid derivatives |
| 03/13/1991 | EP0416952A2 4-(1'-Oxocyclohex-2'-yl)azetidin-2-one derivatives |
| 03/13/1991 | EP0416946A2 Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same |
| 03/13/1991 | EP0416564A2 Novel aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same |
| 03/12/1991 | US4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative |
| 03/12/1991 | US4999448 Alkylation with phenylthiomethyl lithium compound, cyclization, intermediates for herbicides |
| 03/12/1991 | US4999443 Transition metal complexes |
| 03/12/1991 | US4999438 Process for the reduction of the polymer portion in the dimerization of ketene |
| 03/12/1991 | US4999429 Desulfonation of corresponding aryl sulfone compound |
| 03/12/1991 | US4999186 Novel sunscreen agents, sunscreen compositions and methods for preventing sunburn |
| 03/06/1991 | EP0415745A2 Process for producing alpha-beta-unsaturated carbonyl compound |
| 03/06/1991 | EP0415524A1 Process for the production of 2-halomethyl-6-methoxy naphthalene |
| 03/06/1991 | EP0415190A1 Cycloalkylidene derivatives |
| 03/06/1991 | EP0415090A1 Fluorine-substituted compound containing ether bond and intermediate thereof |
| 03/06/1991 | EP0311619B1 Chelate ligands for low pressure hydroformylation catalyst and process employing same |
| 03/06/1991 | CN1049652A Hydroformylation process |
| 03/06/1991 | CN1049650A Process for prepn. of terpenes |
| 03/06/1991 | CA2023565A1 Isomerization of alk-2-enyl ethers |
| 03/05/1991 | US4997955 Preparation of 1,1-disubstituted ethylene compounds |
| 03/05/1991 | US4997954 Reductive cyclizatin, dehalogenation, amination |
| 03/05/1991 | US4997473 Certain 2-(2'-substituted benzoyl)-4-proparoyl-1,3-cyclohexanedione herbicides |
| 03/05/1991 | CA1281037C Process for producing n,o-diacetyl-6-amino-2-naphthol |
| 03/05/1991 | CA1281033C Cyclohexenone derivatives, their manufacture and their use for controlling undesirable plant growth |
| 03/05/1991 | CA1281029C Optically active ketals, processes for their preparation and their use in the synthesis of ó-arylakanoic acids |
| 02/27/1991 | EP0414207A2 Method for preparing alpha-(-4-isobutylphenyl) propionic acid or its precursor |
| 02/27/1991 | EP0414180A2 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom |
| 02/27/1991 | EP0414106A2 Process for the preparation of terpenes |
| 02/27/1991 | EP0414065A2 Process for the preparation of aldehydes |
| 02/27/1991 | CN1049494A Process for dehydrogenation of lower aliphatic alcohols in presence of copper fiber catalyst |
| 02/26/1991 | US4996366 Process for the catalytic hydroformylation of olefins |
| 02/26/1991 | US4996365 Refluxing aqueous mixture of an acetylene alcohol and formic acid |
| 02/26/1991 | US4996333 Conversion of acetic acid into diketene and water using dimethylsulfoxide and pelargonic acid |
| 02/26/1991 | US4996320 Thyroid inhibitors |
| 02/26/1991 | US4996069 Process for the preparation of flavor and fragrance materials |
| 02/26/1991 | US4996007 Process for the oxidation of alcohols to aldehydes/acids/esters |
| 02/26/1991 | CA1280768C2 Cyclohexane 1, 3-dione derivatives |
| 02/26/1991 | CA1280761C Calixarene derivatives and use of such compounds as accelerators in adhesive compositions |
| 02/26/1991 | CA1280757C Preparation of monochloropinacolone |
| 02/26/1991 | CA1280756C Preparation of cyclohexanedione derivatives |
| 02/26/1991 | CA1280563C Movable hand grip switch actuation |
| 02/22/1991 | WO1991002711A2 7,7-dimethylnorbornane derivatives |
| 02/22/1991 | CA2065014A1 7-7-dimethylnorbornane derivatives |
| 02/22/1991 | CA2023373A1 Hydroxylated ene ketones, acetylenic grignards and hydroxylated yne ketones therefrom |
| 02/21/1991 | WO1991002006A1 Polysaccharide derivatives and separating agent |
| 02/21/1991 | DE3927480A1 New cycloalkene-di:one cpds. including bis:cpds. - useful as photoinitiator for polymerisation with visible light |
| 02/20/1991 | EP0413448A1 An Azole-substituted cycloalkanol derivative, a process to produce the same and a use of the derivative as an agricultural and horticultural fungicide |
| 02/19/1991 | US4994625 Production of hydrogen peroxide |
| 02/19/1991 | US4994619 Substituted cyclic ketones, substituted cyclic enones, and process for producing the same |
| 02/19/1991 | US4994610 Process for preparing fluorinated benzoyl compounds |
| 02/19/1991 | US4994607 Using a rhodium or ruthenium coordination complex of a chiral phosphine compound |
| 02/19/1991 | US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment |
| 02/19/1991 | US4994480 Protecting plants, industrial materials |
| 02/19/1991 | US4994479 Antagonists of SRS-A(slow reacting substance of anaphylaxis); antiallergens, antiischemic agents |
| 02/19/1991 | US4994427 Supported aqueous phase organometallic catalyst useful for hydroformylation and other reactions, and a method for its preparation |
| 02/19/1991 | US4994297 Method of using fast pyrolysis liquids as liquid smoke |
| 02/19/1991 | US4994152 Cyclohexanone, methylcyclohexanone and high boiling by-product |
| 02/19/1991 | US4994151 Oxygenated organic compounds as additional extractive agents |
| 02/19/1991 | US4994106 Cyclohexenone compounds, their preparation and their use for controlling undesirable plant growth |
| 02/19/1991 | CA1280430C Hydrogenation and reduction using the system hydrocarbon/carbon |
| 02/13/1991 | EP0412803A1 Chalcone derivatives |
| 02/13/1991 | EP0412596A1 Process for oxidising paraffinic compounds |
| 02/13/1991 | EP0412551A2 Process for producing alpha, beta-unsaturated aldehyde |
| 02/13/1991 | EP0412337A2 Method for the production of 1,3-propandiol |
| 02/13/1991 | EP0412192A1 Method for the production of granular paraformaldehyde |
| 02/13/1991 | CN1049151A Synthesis of alpha-hydroxy ketones |
| 02/12/1991 | US4992591 Reacting cyclic ketone with halogenated aryl using transition metal catalyst |
| 02/12/1991 | US4992577 Preparation of 3-vinyl-substituted 2,2-dimethylcyclopropane-1-carboxylic acids and esters and intermediates therefor |
| 02/12/1991 | US4992574 Benzocycloheptene derivatives |
| 02/12/1991 | US4992518 Polymers obtained by heating allybicyclo[2.2.1]hept-5-ene-2-carboxylic acid amides for between 6 and 60 hours at 150°-300° C. |
| 02/12/1991 | US4992504 Ether-containing or thioether-containing 1,3-diketones and the use thereof as stabilizers for chlorine-containing polymers |
| 02/12/1991 | US4992474 Phenethanolamine derivatives |
| 02/12/1991 | US4992468 Treatment of skin disorders |
| 02/12/1991 | US4992416 Isomeric formyl trimethylbicyclo[2.2.2]oct-7-enes |
| 02/12/1991 | US4992351 Recording medium having a specified photopolymerization initiator |
| 02/12/1991 | CA1280122C Perfluoroalkylcetone preparation process |
| 02/09/1991 | CA2022812A1 Chalcone derivatives |
| 02/07/1991 | WO1991001289A1 Substituted cyclohexanedione derivative |
| 02/06/1991 | EP0411252A1 Process for the preparation of fluorobenzoic acids |
| 02/05/1991 | US4990703 Novel tetrahydronaphthalene and indane derivatives |
| 02/05/1991 | US4990694 Optically active dimethyl heptanediols |
| 02/05/1991 | US4990693 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation |
| 02/05/1991 | US4990685 Catalytic dehydrogenation of a mixture of methanol, water and air, multistage absorption, fractional distillation, reuse of methanol |
| 02/05/1991 | US4990684 Preparation of phenylacetaldehydes |
| 02/05/1991 | US4990682 Process for the preparation of 5-chloro-2-pentanone |
| 02/05/1991 | US4990681 Method for removing hydrogen fluoride from mixtures comprising aromatic ketones |
| 02/05/1991 | US4990680 Reacting resorcinol with benzotrichloride in water containing surfactant, dispersant, or emulsifier |
| 02/05/1991 | US4990678 Purification of halogenated aromatic sulfones or ketones |
| 02/05/1991 | US4990646 Preparation of halogenated quinolonecarboxylic acids |
| 02/05/1991 | US4990639 Oxidation of rhodium complex to water insoluble carboxylic acid salt; solvent extraction |
| 02/05/1991 | US4990633 Fluorinated bisaryloxy-substituted alkenes, process for their preparation and their use |
| 02/05/1991 | US4990505 Phenethanolamine compounds |
| 02/05/1991 | US4990496 (-)-(1s)-1-(2',2'-6'-trimethyl-2'-cyclo-hexene-1'-yl)-2-butene-1-one |
| 02/05/1991 | US4990495 Oxygen containing macrocyclic compounds, a process for their preparation and their use as perfuming ingredients |
| 02/05/1991 | CA1279870C Aroyl substituted dihydro-1,4-thiazines |
| 01/30/1991 | EP0410929A2 Linear polymers |
| 01/30/1991 | EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones |