Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 39 - Compounds having at least one hydroxy or o-metal group bound to a carbon atom of a six-membered aromatic ring
Patents for C07C 39 - Compounds having at least one hydroxy or o-metal group bound to a carbon atom of a six-membered aromatic ring (10,875)
08/1991
08/28/1991EP0443820A2 Radiation-sensitive resin composition
08/27/1991US5043494 Preparation of methylhydroquinone
08/27/1991US5043483 With acid catalyst and solvent for selective yield of mono-alkylated product
08/27/1991US5043482 New derivatives of 5,6,7,8-tetrahydro-1-naphthalenol, a process for their preparation and cosmetic and pharmaceutical compositions containing them
08/21/1991EP0239643B1 Process for oxidizing 2,6-diisopropylnaphthalene
08/21/1991CN1053918A Purification of 1,1,1-tris (4-hydroxyphenyl) ethane
08/20/1991US5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
08/14/1991EP0441648A1 Purification of 1,1,1-tris(4'-hydroxyphenyl)ethane
08/10/1991CA2034705A1 Purification of 1,1,1-tris(4'-hydroxyphenyl) ethane
08/08/1991WO1991011119A1 Compositions and methods for inhibiting browning in foods
08/08/1991DE4003437A1 New di:hydroxy-di:phenyl-cyclo-alkane cpds. - are intermediates for high mol. thermoplastic poly:carbonate polymers
08/07/1991EP0440390A1 Process for the preparation of bisphenols
07/1991
07/31/1991EP0439362A1 Diamino compounds and precursors therefor
07/31/1991EP0439083A1 Process for preparing 4,4'-dihydroxybiphenyl
07/31/1991EP0438715A2 1,1-Bicyclo-substituted fluorinated cyclopentanes and method for their production
07/31/1991EP0438641A2 Process for preparing 2,6-di-tert.butylphenol
07/31/1991CN1053423A Method for preparation of phenol
07/31/1991CN1013367B Composition technology of 2-isopropoxy phenol
07/31/1991CN1013364B Preparation method of bisphenol a
07/31/1991CN1013363B Method for bisphenol a prodn
07/31/1991CN1013362B Process for producing hydroxybenzenes
07/30/1991US5036087 Chloro-methyl-isothiazolinone, a bisphenol and/or deoxycholic acid, sustained release slimicide for water supply systems
07/30/1991CA2035081A1 Process for the preparation of bisphenols
07/24/1991EP0438378A1 Substituted diallylphenol derivatives as reactive diluents for bismaleimides
07/24/1991EP0438329A1 Process for the C-alkylation of hydroquinone and its monoethers
07/24/1991EP0281627B1 Process for reducing aldehydes or ketones
07/20/1991WO1991010645A2 Chelants
07/20/1991CA2074171A1 Chelants
07/20/1991CA2034561A1 Process for the c-alkylation of hydroquinone and its monoesters
07/19/1991CA2034272A1 Substituted diallylphenol derivatives as reactive diluents for bismaleimides
07/17/1991EP0332615B1 Process for preparing water clear phenol
07/16/1991US5032606 Novel fluorinated resorcinol ethers and their use as anti-allergics and anti-inflammatories
07/16/1991US5032138 Chlorites as oxidants in hair coloring
07/10/1991EP0436410A1 Method for the production of substituted hydroxyquinones
07/09/1991US5030770 Process for the preparation of thymol
07/09/1991US5030767 3-(2-hydroperoxy-2-propyl)phenol and method of producing resorcinol using the same
07/09/1991US5030765 Skin disorders, anititumor agents
07/09/1991US5030764 Antitumor agents; treatment of skin disorders
07/09/1991CA1285959C Preparation of trisphenol methanes
07/03/1991CN1052655A Process and catalyst compostion of alkylating benzene or substituted benzene or transalkylating alkylated benzene
06/1991
06/26/1991EP0434485A1 Method of production of phenol
06/26/1991EP0434140A1 Method for the preparation of a phenol
06/26/1991EP0433932A1 Process of alkylating benzene or substituted benzene or transalkylating alkylated benzene
06/26/1991CN1052478A Lmproved process for preparing vinyl ethers
06/25/1991US5026926 Chlorination of ortho-chlorophenol
06/25/1991US5026925 Hydroxylation of phenol using hydrogen peroxide
06/25/1991US5026759 2-substituted-1-naphthols as 5-lipoxygenase inhibitors
06/25/1991US5026732 Use of avarone for the control of AIDS and ARC
06/25/1991US5026692 Use of sex hormone
06/25/1991US5026634 Color light-sensitive material
06/25/1991CA1285280C Quinone derivatives, their production and use
06/22/1991CA2032985A1 Process for preparing phenol
06/20/1991DE4022920A1 Substd. cyclic multi-ring phenol] derivs. - prepn. and used in rubber as protectant against ageing
06/20/1991CA2032441A1 Method for the preparation of a phenol
06/19/1991WO1991009003A1 Catalytic method to produce hydroxy substituted arylophenones
06/19/1991EP0432782A2 Process for preparing 4,4'-dihydroxybiphenyl
06/19/1991CA2069630A1 Catalytic method to produce hydroxy substituted arylophenones
06/15/1991WO1991009002A1 Process for the preparation of vinyl ethers
06/12/1991EP0432006A2 Process for hydroxylating phenols and phenol ethers
06/11/1991US5023363 Antiinflammatory agent, antiallergens, skin disorders, vision defects
06/06/1991CA2031483A1 Process for the preparation of substituted hydroquinones
06/06/1991CA2031482A1 Phenols and phenols esters hydroxylation process
06/05/1991EP0430434A2 Process for the preparation of fluoroaromatic and fluoroheteroaromatic compounds
06/05/1991EP0429954A1 Mixture of predominantly polynuclear polyfunctional phenols and its use
06/04/1991US5021461 Method of treating diabetes mellitus with bisphenol derivatives
06/04/1991CA1284664C Phenol alkylation process
06/04/1991CA1284663C Phenol alkylation process
06/04/1991CA1284662C Phenol alkylation process
05/1991
05/28/1991US5019669 Alkylation of organic aromatic compounds
05/28/1991US5019657 Process for the preparation of halophenols
05/28/1991CA1284491C Procedure for separating lignin and phenol from phenol solutions
05/22/1991EP0427959A2 Meta-halogenated dibenzylphenols
05/22/1991CN1051551A Synthetic method of 2,2-methylene bis ( 4-methyl-6-tertiary butyl phenol )
05/21/1991US5017729 Alkylation, oxidation, acid cleavage, hydrogenation, dehydration, reuse
05/21/1991US5017728 Tetrabromobisphenol-A process
05/21/1991US5017727 Norbornene derivatives
05/15/1991EP0426785A1 Compositions and methods for treating viral infections
05/14/1991US5015797 Acidic mordenite alkylation catalyst for alkylation of polycyclic aromatic compounds with olefins
05/14/1991US5015786 Alkylation of benzene with isopropanol and a zeolite catalyst, oxidation of cumene to form cumene hydroperoxide, hydrogenation the acetone
05/14/1991US5015784 Isomerization catalysts of acids
05/14/1991US5015778 Oxidation of diaryl compounds with oxygen
05/14/1991US5015758 Reaction of acyloxyadamantane with a receptor compound in a solvent and in the presence of sulfuric acid
05/14/1991CA2027196A1 Meta-halogenated dibenzylphenols
05/07/1991US5013827 Enhanced chemiluminescence from 1,2-dioxetanes through energy transfer to tethered fluorescers
05/02/1991EP0424695A2 Process for preparing tetrabromo-4,4'-alkylidene diphenols
04/1991
04/30/1991US5011986 Reduces serum lipids in mammals
04/30/1991US5011985 Levo-ciprofibrate
04/24/1991CA2028187A1 Process for the preparation of tetrabromo-4,4'- alkylidenediphenols
04/18/1991WO1991005755A1 Process for manufacturing bisphenols
04/18/1991CA2044247A1 Process for manufacturing bisphenols
04/17/1991EP0423070A2 Process for preparing substituted phenols
04/16/1991US5008472 Preparation of 4,4"-dihydroxyterphenyl
04/16/1991US5008471 Process for the preparation of rooperol
04/16/1991US5008470 Reacting ketones or aldehyde with phenolic compound in presence of acid ion exchange resin catalyst
04/16/1991US5008456 Diamino compounds, dinitro compounds, diol compounds and a process for preparing the diamino compounds
04/16/1991US5008425 Trifluoromethylation of carbonyl compounds
04/16/1991US5008294 Topical administration
04/10/1991EP0421883A2 Method for preparing p,p'-biphenol
04/09/1991CA1282800C Acid catalyzed process
04/09/1991CA1282797C Process for preparing bisphenol a
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