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Class Information
Number: 568/779
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Benzene ring containing > Phenols (h of -oh may be replaced by a group ia or iia light metal) > Halogen containing > Preparing by halogenation
Description: Processes which include preparing the compound by treating a phenol with a halogenating agent.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7834221 Process for the preparation of tetrabromobisphenol A Nov. 16, 2010
7399890 Method for the hydrodehalogenation of halogenated meta-cresols Jul. 15, 2008
7053251 Bromination of hydroxyaromatic compounds May. 30, 2006
7045666 Bromination of hydroxyaromatic compounds and further conversion to dihydroxyaromatic compounds May. 16, 2006
7022886 Selective catalytic oxybromination of hydroxyaromatic compounds Apr. 4, 2006
6982356 Method for preparation of para-brominated hydroxyaromatic compounds Jan. 3, 2006
6815565 Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones Nov. 9, 2004
6740253 Preparation of non-hazardous brominating reagents May. 25, 2004
6693221 Method of preparing mixtures of bromophenols and benzoquinones Feb. 17, 2004
6313355 Process for the preparation of tetrabromobisphenol-A Nov. 6, 2001
6300527 Process for the preparation of tetrabromobisphenol-A Oct. 9, 2001
6265621 Process for producing halogenated phenol compounds Jul. 24, 2001
6235946 Process for the preparation of tetrabromobisphenol-A May. 22, 2001
6218584 Process for the preparation of tetrabromobisphenol-A Apr. 17, 2001
6162953 Process for the preparation of tetrabromobisphenol-A Dec. 19, 2000
6084137 Process for the preparation of tetrabromobisphenol-A Jul. 4, 2000
6084136 Process for the preparation of tetrabromobisphenol-A Jul. 4, 2000
6002050 Process for the preparation of tetrabromobisphenol-A Dec. 14, 1999
5907063 Aromatic bromination process May. 25, 1999
5847236 Process for the preparation of 2-chloro-4-methylphenol Dec. 8, 1998
5817890 Process for preparation of halogenated or pseudohalogenated cyclic organic compounds Oct. 6, 1998
5723690 Process for the preparation of tetrabromobisphenol-A Mar. 3, 1998
5696302 Highly concentrated aqueous tribromophenolate solution and a method for preparing the same Dec. 9, 1997
5484932 Halogenation processes in advantageous solvents, and novel bistrifluoromethyl-polyfluoroalkoxybenzenes Jan. 16, 1996
5475153 Process to produce tetrabromobisphenol with the reduced formation of alkyl bromide by-products Dec. 12, 1995
5446212 Reduced methyl bromide process for making tetrabromobisphenol-A Aug. 29, 1995
5426243 Process for preparing 1,6-dibromo-2-naphthylene compounds Jun. 20, 1995
5387725 Chlorination process, alkylation of products of said process and some products thereof Feb. 7, 1995
5283375 Process for high purity tetrabromobisphenol-A Feb. 1, 1994
5149858 Selective ortho-chlorination of phenols Sep. 22, 1992
5118874 Partially fluorinated biphenyls, processes for their preparation and their use Jun. 2, 1992
5059722 Tetrabromobisphenol-A process Oct. 22, 1991
5053557 Process for preparing 2-chloro-4-fluorophenol Oct. 1, 1991
5026926 Chlorination of ortho-chlorophenol Jun. 25, 1991
5017728 Tetrabromobisphenol-A process May. 21, 1991
4997946 Process for the iodination of hydroxyaromatic and aminoaromatic compounds Mar. 5, 1991
4954662 Selective chlorination of ortho-substituted phenols Sep. 4, 1990
4940807 Selective bromination of aromatic compounds using potassium tribromide Jul. 10, 1990
4885408 Chlorination of ortho-substituted phenols Dec. 5, 1989
4876396 Selective chlorination of phenols Oct. 24, 1989
4855514 Oxidative iodination of phenol Aug. 8, 1989
4855513 Chlorination of phenolic compounds Aug. 8, 1989
4827047 Chlorination of nitrophenols May. 2, 1989
4783556 Tetrabromobisphenol-A process Nov. 8, 1988
4754080 Chemical composition and use thereof Jun. 28, 1988
4740636 Di-ortho-substituted di-meta-halogenated para-halomethylphenols Apr. 26, 1988
RE32606 Process for the complete bromination of non-fused ring aromatic compounds Feb. 16, 1988
4723043 Nitration of phenolic compounds Feb. 2, 1988
4701568 Process for preparing tetrabromobisphenol-A Oct. 20, 1987
4684752 Di-ortho-substituted di-meta-halogenated para-halomethylphenols Aug. 4, 1987

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