Patents
Patents for C07C 17 - Preparation of halogenated hydrocarbons (19,929)
02/1989
02/08/1989EP0302195A1 Process for the preparation of naphthacenes
02/07/1989US4803296 Process for the co-production of aromatic carboxylates and alkyl iodides
02/07/1989US4803009 Stabilized azeotrope or azeotrope-like composition of 1,1,2-trichloro-1,2,2-trifluoroethane, methanol and 1,2-dichloroethylene
02/01/1989EP0301346A2 Production of polyfluorbutenes
02/01/1989EP0301343A1 Process for the preparation of 1,2-dichlorobenzene
02/01/1989CN1030748A Vinyl substituted radiohalogen conjugates for protein labeling
02/01/1989CN1030746A Synthesis of 1-chloro-1, 1-difluoroethane
01/1989
01/31/1989US4801763 Purification, debromination, radiation
01/31/1989US4801761 Vapor phase soldering fluids
01/31/1989US4801733 Skin disorders
01/31/1989US4801701 Difluorinated (5,6,11,12-tetraselenotetracene)2 halides, the preparation thereof and the use thereof
01/25/1989EP0300724A1 Process for the preparation of 1,1,1,2-tetrafluoroethane
01/25/1989EP0189448B1 Agent for the fluoridation of organic compounds particularly acetylenic compounds, preparation process thereof and utilization thereof in nucleophilic substitution or addition reactions
01/18/1989EP0299614A2 Halocarbon blends for refrigerant use
01/18/1989EP0299270A1 Bromination process
01/18/1989EP0299026A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
01/18/1989CN1030407A Process for manufacturing methallyl chloride
01/18/1989CN1030406A Oligo merization method for freon-contg. hexafluoropropylene
01/17/1989US4798914 Process for the production of vinyl chloride through thermal cracking of 1,2-dichloroethane
01/17/1989US4798913 Zeolyte zsm adsorber
01/17/1989US4798818 Aluminum fluoride, transition metal compound, hydrogen fluoride
01/17/1989CA1248943A1 Fluorophenoxyphenoxypropionates and derivatives thereof
01/17/1989CA1248934A1 Method of preparing a catalyst for the synthesis of 1, 2-dichloroethane
01/17/1989CA1248745A1 N-methyl-pyrrolidone and chlorofluorinated hydrocarbons stable mixtures
01/11/1989EP0298870A1 Process for the synthesis of perfluoroalkyl bromides
01/11/1989EP0298803A1 Process for the perhaloalkylation of aromatic derivatives
01/11/1989EP0298662A1 Gas-phase fluorination process
01/11/1989EP0298117A1 Process for the co-production of aromatic carboxylates and alkyl iodides.
01/10/1989US4797228 Difluorobenzene cyclohexanes, dielectrics, crystal structure
01/04/1989EP0297947A1 Process for the preparation of 1-chloro-1,1-difluoroethane
01/04/1989EP0297238A1 Process for preparing methallyl chloride
01/04/1989EP0297126A1 Phase transfer catalysis
01/04/1989CN1030071A Process for perfluropropylene
01/03/1989US4795839 Process for separating mixed monochlorotoluene isomers, a plant for carrying out the process, and the isomers separated in this manner
01/03/1989US4795838 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
01/03/1989US4795837 In water containing an epoxide compound, a nitro compound, and a furan compound
01/03/1989US4795825 Metal or ammonium salt of carboxy derivatice
01/03/1989US4795737 Process for the iodination of aromatic compounds over solid catalysts
01/03/1989CA1248135A1 Acetylenic phenoxypropanol derivatives and pharmaceutical compositions for the treatment of hypertension
01/03/1989CA1248130A1 Pyretroids
12/1988
12/28/1988EP0296517A2 Process for preparing monohalogenated benzocyclobutene
12/28/1988CN88103467A Halohydrocarbon mixture for use as freezing-mixture
12/28/1988CA1247634A Process for preparing aromatic bromine compounds
12/27/1988US4794204 Process for the removal of dimethyl ether in methyl chloride
12/27/1988US4794203 Hydrohalogenation of myrcene in the presence of organic amines
12/27/1988US4794202 Process for separating halogen substituted toluene isomers
12/27/1988US4794201 Halogenating monoalkylbenzene using chlorine, bromine, or sulfuryl halide in presence of zeolite type l catalyst
12/27/1988US4794200 Metal, sulfur dioxide or alkali metal dithionate with bromotrifluoromethane; adding iodine dissolved in carboxylic or sulfonic acid
12/21/1988EP0295885A1 Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction
12/21/1988EP0295602A1 Tolan derivative and liquid crystal composition containing the same
12/20/1988US4792644 Zeolite and quaternary ammonium salt
12/20/1988US4792643 Catalyst and process for 1,1,1,2-tetrafluoroethane by vapor phase reaction
12/20/1988US4792642 Oxygen atmosphere, non-acid zeolite catalysts
12/20/1988US4792641 Process for preparing iodinated aromatic compounds
12/20/1988US4792635 Symmetric benzophenones substituted by groups containing fluorine
12/20/1988CA1247142A1 Continuous cracking process for 1,2-dichloroethane
12/20/1988CA1247141A1 Fluorination process
12/20/1988CA1247140A1 Process for ring-chlorinating toluene
12/20/1988CA1247132A1 2,6-disubstituted naphthalene derivatives and process for preparing the same
12/20/1988CA1247131A1 Process for preparing compounds containing a difluoromethylene or a trifluoromethyl group
12/20/1988CA1247123A1 Polysubstituted derivatives of naphtalene, and their preparation
12/14/1988EP0238569B1 Process for the manufacture of cycloalkane carboxylic acids
12/14/1988CN87101284A Process for crystal cyclohexyl benzene derivatives and novel nematic mixture containing the derivatives
12/13/1988US4791222 Hydrogenating alpha-penene; pyrolyzing; hydrochlorinating; reacting with water or acetic acid using specific catalyst
12/13/1988US4791183 Styrene derivative, polymer thereof and production of same
12/13/1988US4791139 Diphenyl ether derivatives and their use as insecticides
12/13/1988US4791123 Insecticidal triffluormethyl alkane derivatives
12/06/1988US4789754 Production of chrysanthemic esters
12/06/1988CA1246094A1 Halogenated esters
12/01/1988WO1988009322A1 Cyclobutane derivatives
12/01/1988WO1988009319A1 DEHYDROBROMINATION OF SUBSTITUTED alpha-HALOCUMENE
12/01/1988DE3717484A1 Cyclobutanderivate Cyclobutane derivatives
11/1988
11/30/1988EP0292824A1 Process for the nuclear chlorination of aromatic hydrocarbons
11/29/1988US4788359 Contacting with active carbon, incineration, removal of hydrochloric acid and chlorine
11/29/1988US4788358 Process for the manufacture of 1,2-dichloroethane
11/29/1988US4788357 Using flue gas waste heat to generate steam
11/29/1988US4788356 Iodination of benzene, naphthalene, or biphenyl; separation, recovering; catalysis with zeolite type x
11/29/1988US4788355 Oxyiodination catalyst
11/29/1988US4788354 Method for the synthesis of iodobenzene
11/29/1988US4788353 Oxidative iodination, zeolite catalyst
11/29/1988US4788352 Trifluoroalkenes and a method for their preparation
11/29/1988US4788349 Halogenated diphenyl ether derivatives
11/29/1988CA1245674A1 Perchlorofluorated hydrocarbons, and their preparation
11/23/1988EP0291950A1 Process and composition for stabilization of ar-brominated styrenic monomer against premature polymerization
11/23/1988EP0291949A2 Nematic liquid crystal compound of four ring systems
11/23/1988EP0291889A1 Process for the preparation of dichloro-[2,2] paracyclophane
11/23/1988EP0291860A1 Process for the preparation of CF3I
11/22/1988US4786441 Reacting trimethylsilyl triflate with iodonium or sulfonium halide
11/22/1988CA1245086A1 Optical retrieving system
11/17/1988EP0290861A1 Process for the reductive dehalogenation of organic halogenated compounds
11/15/1988US4785121 Halogenation of nitrophthalic anhydride with arylphosphorus tetrahalide
11/08/1988US4783564 Chlorinating ethylene in hot, pressurized, metal chloride catalyst containing liquid circulating stream
11/08/1988US4783563 Preparation of hexabromocyclododecane
11/08/1988US4783562 Process for the preparation of trichloromethyl-substituted aromatic compounds, and trichloromethyl-substituted aromatic compounds obtained in this process
11/08/1988US4783561 Process for the preparation of halogenated (2,2)-paracyclophanes and mixtures of resultant halogenated (2,2)-paracyclophanes
11/08/1988US4783560 Dialkoxyalkanes and epoxidated compound; metal degreasing and textile dry cleaning
11/08/1988US4783549 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
11/08/1988US4783526 Reacting sucrose with tritylating agent; acetylation, dealkylation, isomerization, and deacetylation
11/08/1988CA1244481A1 Catalytic dehydrohalogenation process
11/03/1988WO1988008441A1 Electro-optical liquid crystal display element