| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
|---|
| 04/25/1989 | US4825009 Catalyst is reaction product of sulfur containing acid and organoaluminum compound |
| 04/25/1989 | US4825005 Presence of aliphatic ketone and acid acceptor |
| 04/19/1989 | EP0312412A1 Norbornane derivatives, method for their preparation and cosmetic and medicinal compositions containing them |
| 04/19/1989 | EP0312210A2 Optically active liquid crystalline compounds and compositions containing them |
| 04/19/1989 | EP0311880A2 1,9-Non-2-endiols, their derivatives, processes for their preparation and use as intermediates |
| 04/19/1989 | EP0311614A1 Process for the synthesis of methyl-tert-alkyl ethers with suppression of corrosion |
| 04/19/1989 | EP0217089B1 Process for preparing unsaturated ethers by catalytic dealkoxylation of gem-dialkoxy compounds |
| 04/18/1989 | US4822921 Using fluorophosphoric acid catalyst on titanium support |
| 04/18/1989 | US4822904 Perfluoroalkylation process |
| 04/12/1989 | EP0311565A1 Pesticides |
| 04/12/1989 | EP0310835A2 Process for preparing poly(Vinylbenzyl ethers) of polyphenols |
| 04/11/1989 | US4820877 Methyl tert-butyl ether from methanol and isobutylene; fuel gas stripping medium |
| 04/11/1989 | US4820727 Treating diabetic complications-vision defects, kidney and nervous system disorders |
| 04/11/1989 | US4820673 Alkoxylation using calcium catalysts and products therefrom |
| 04/11/1989 | US4820389 Electrochemical oxidation of 3-tert-butyl-4-methoxytoluene |
| 04/06/1989 | WO1989002883A1 A process for the preparation of 1,4-disubstituted 2-butenes |
| 04/05/1989 | EP0310194A1 Continuous process for producing linear, secondary, aliphatic alcohol ethoxylates |
| 04/05/1989 | EP0310126A2 Derivatives of pyrocatechol-carboxylic acid, their preparation and use as active ingredients in medicines |
| 04/05/1989 | EP0309864A1 Alpha-(5-aryloxy-naphthalen-1-yl-oxy)-propionic-acid derivatives |
| 04/05/1989 | EP0309533A1 Butyl hydroxyanisoles for the treatment of retroviral diseases. |
| 04/05/1989 | EP0309505A1 Process for preparing iodinated aromatic compounds |
| 04/04/1989 | US4818441 Membrane stabilizers |
| 04/04/1989 | US4818432 3-substituted biphenyl compound |
| 03/29/1989 | EP0309340A1 1,3,5-Nonatriene derivatives, their preparation and use |
| 03/29/1989 | EP0309177A1 Ether synthesis with zeolite beta |
| 03/29/1989 | EP0308808A1 Process for the preparation of 2-fluoro-5-allyl-diphenyl ethers |
| 03/29/1989 | EP0308755A2 Derivatives of 7-(hetero)aryloxy-naphthalen-2-yloxy)alcanoic acid |
| 03/29/1989 | EP0308747A2 Tolan compound and liquid crystal composition containing the same |
| 03/29/1989 | EP0308438A1 Liquid crystal phase containing tolanes. |
| 03/28/1989 | US4816607 Integrated etherification process with recycle post treatment |
| 03/28/1989 | US4816596 Etherification or sulfiding a phenol or thiophenol |
| 03/28/1989 | US4816553 Polyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of same |
| 03/22/1989 | EP0307519A1 Perfluoroalkylation process |
| 03/22/1989 | EP0307458A1 Processes for isomerizing and oxidative iodinating aromatic compounds. |
| 03/22/1989 | EP0307457A1 Improved vapor phase bromination of aromatic compounds. |
| 03/22/1989 | EP0307447A1 Process for preparing iodinated substituted aromatic compounds |
| 03/22/1989 | EP0307446A1 Liquid phase isomerization of iodoaromatic compounds. |
| 03/22/1989 | EP0307404A1 Process for preparing alkyl-tert-butyl ethers. |
| 03/21/1989 | US4814545 Process for removing impurities from an aromatic stream |
| 03/21/1989 | US4814525 Vapor phase bromination of aromatic compounds |
| 03/21/1989 | US4814519 Production of ethers from olefins |
| 03/21/1989 | US4814517 Oxygenate removal in MTBE production |
| 03/21/1989 | US4814515 Method of manufacturing a modified polyhydroxy compound |
| 03/21/1989 | US4814510 Novel benzaldehyde derivatives, their preparation, and their use |
| 03/21/1989 | US4814483 Process for the preparation of optionally substituted 2-benzyl-toluenes |
| 03/21/1989 | US4814372 Acid and acyl halide derivatives |
| 03/21/1989 | US4814340 1,4-diaryl alkane derivatives having insecticidal and acaricidal activity |
| 03/21/1989 | US4814322 1,2-dialkoxyalkenes |
| 03/15/1989 | EP0306804A2 Process for the preparation of substituted benzyl trichlorides |
| 03/15/1989 | EP0306649A1 3,5-Dihydroxycarboxylic acids and their derivatives, processes for their preparation, their use as medicaments, pharmaceutic preparations and intermediate products |
| 03/15/1989 | EP0306521A1 Ethine derivatives as compounds of liquid crystal phases. |
| 03/15/1989 | EP0306505A1 Acetylene derivatives as components of liquid crystal phases. |
| 03/15/1989 | EP0239726B1 Process for the production of difluorochloromethoxybenzenes |
| 03/15/1989 | CN1031709A Optically active liquid crystal components |
| 03/09/1989 | WO1989001929A2 Fluorination of orthocarbonates and polyalkoxypropanes |
| 03/09/1989 | WO1989001928A1 Spherical perfluoroethers and process for preparing them |
| 03/08/1989 | EP0305913A1 Process for the production of dien-1-ols, 9-hydroxydodec-10-enyl-1-tert.butyl ether, and its use as an intermediate in the synthesis of 8,10-dodecane dienol |
| 03/07/1989 | US4810765 Cotelomers of vinilydene fluoride with fluorinated olefins and process for their preparation |
| 03/07/1989 | US4810713 Arylalkyl-heterocyclic amines, n-substituted by aryloxyalkyl groups used in a method for allergy treatment |
| 03/07/1989 | US4810694 Skin disorders |
| 03/07/1989 | CA1250857A1 1, 1-diphenyl-propanol derivatives, process for their preparation and pharmaceutical compositions containing them |
| 03/01/1989 | EP0304842A2 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 03/01/1989 | EP0304738A2 Optically active liquid-crystal components |
| 02/28/1989 | US4808748 Trifluoromethylation process |
| 02/28/1989 | US4808736 Reacting substituted propanediol with protected tetramethylbenzene diether using metal hydride and phase transfer catalyst |
| 02/28/1989 | US4808472 Magnetic recording media with protective lubricating coating |
| 02/28/1989 | US4808270 Process and apparatus for the preparation of ether |
| 02/22/1989 | EP0303617A1 Acid catalyzed process |
| 02/21/1989 | US4806698 Liquid phase isomerization of iodoaromatic compounds |
| 02/21/1989 | US4806697 Non-acidic zeolite catalysts |
| 02/21/1989 | US4806695 Process for etherification of a dehydrogenation zone effluent |
| 02/21/1989 | US4806658 Catalysis with solid, porous metal oxide to lower coiling and viscous compounds |
| 02/21/1989 | US4806147 Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides |
| 02/21/1989 | CA1250306A1 Process for the preparation of acetylenic derivatives, derivatives thus made, and their use |
| 02/15/1989 | EP0303184A2 1,1-Dialkoxy- or 1,1-(alpha,omega-alkylenedioxy)-non-2-yn-9-ol and their OH-protected derivatives |
| 02/14/1989 | US4804789 D-mannite derivatives as starting products for the synthesis of phospholipids |
| 02/14/1989 | US4804727 Process to produce novel fluorocarbon vinyl ethers and resulting polymers |
| 02/09/1989 | WO1989000987A1 Process for producing phenylhydroquinones |
| 02/08/1989 | EP0302487A1 Etherification of polyoxyalkylene derivatives |
| 02/08/1989 | EP0302486A1 Process for the production of 1,2-dialkoxyethenes |
| 02/08/1989 | EP0302195A1 Process for the preparation of naphthacenes |
| 02/07/1989 | US4803201 Aphidicolane derivatives; viricides; antitumor agents |
| 02/07/1989 | US4802956 Feeding and withdrawing dimethyl ether and impurities at specific trays of column |
| 02/07/1989 | CA1249824A1 Haloalkoxy or alkylthio anilide derivative of 2-(4- heterocyclic oxyphenoxy)alkanoic or alkenoic acids and their use as herbicides |
| 02/01/1989 | EP0301402A1 Leukotriene antagonists, process for their preparation and their use in the treatment of illnesses |
| 02/01/1989 | EP0301112A1 Method for producing a 5-bromo-1-pentanal compound or an acetal derivative thereof |
| 01/31/1989 | US4801756 Liquid crystal compound |
| 01/31/1989 | US4801741 From fluorinated ketone and chlorine fluoride in presence of a group 1a or 2a halide catalyst |
| 01/31/1989 | US4801616 Antiarthrytic |
| 01/31/1989 | CA1249602A1 Preparation of hydroxylated aromatic compounds |
| 01/26/1989 | WO1989000452A1 Catalyst composition and method for selective dehydrogenation |
| 01/25/1989 | EP0300527A1 Process for synthetizing polyoxyalkyleneglycol-mono-ethers |
| 01/25/1989 | EP0300497A1 Optically active compound, process for producing same and liquid crystal composition containing same |
| 01/25/1989 | EP0300019A1 Propoxylated guerbet alcohols and esters thereof |
| 01/24/1989 | CA1249272A1 Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids |
| 01/18/1989 | EP0299893A2 Process for hydroxylating phenols and phenol ethers |
| 01/18/1989 | EP0299891A1 Process for the selective chlorination of phenolic compounds |
| 01/18/1989 | EP0299360A2 Hydroxy-mixed ethers, method for their production and their application |
| 01/18/1989 | EP0299330A1 Process for making decabromodiphenyl oxide |
| 01/18/1989 | EP0299286A1 Process for the preparation of vinyl ethers |