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Class Information
Number: 568/928
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Nitro containing (including aci forms) > Benzene ring containing > Plural rings containing
Description: Compounds which contain at least two rings.










Sub-classes under this class:

Class Number Class Name Patents
568/929 Polycyclo ring system 44
568/931 Polynitro 68


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8592637 Process for preparing mononitrated organic compounds Nov. 26, 2013
8080688 3, 4-disubstituted phenoxyphenylamidines and use thereof as fungicides Dec. 20, 2011
8030527 Process for preparing substituted biphenyls Oct. 4, 2011
7772446 Method for producing substituted biphenyls Aug. 10, 2010
7709684 Process for preparing substituted biphenyls May. 4, 2010
7514584 Process for the production of 2(2-aminophenyl)-bicylopropane derivatives Apr. 7, 2009
7166337 Liquid-crystal composition, methods of adjusting the resistance, and substituted phenols Jan. 23, 2007
6992230 Process for the production of 1,5-dinitronaphthalene Jan. 31, 2006
6906231 Aromatic nitration reactions Jun. 14, 2005
6737554 Process for the production of a dinitronaphthalene isomer mixture with a high proportion of 1,5-dinitronaphthalene May. 18, 2004
6610889 Catalytic compositions and methods for asymmetric aldol reactions Aug. 26, 2003
6548722 Process for the preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst Apr. 15, 2003
6420616 Process for preparing a dinitronaphthalene isomer mixture having an increased proportion of 1,5- dinitronaphthalene Jul. 16, 2002
6417357 Coupling reactions with palladium catalysts Jul. 9, 2002
6392111 Method for producing olefins May. 21, 2002
6362381 Nitration of aromatic hydrocarbons Mar. 26, 2002
6362380 Preparation of nitrobiphenyls Mar. 26, 2002
6218564 Process for the preparation of substituted aromatic compounds Apr. 17, 2001
RE37087 Insecticidal triffluormethyl alkane derivatives Mar. 6, 2001
6087542 Process for preparing nitrobiphenylene Jul. 11, 2000
5886242 Polymerizable, chiral compounds and their use Mar. 23, 1999
5763687 Preparation process for aromatic mononitro compounds Jun. 9, 1998
5334754 Process for preparing 2,5-diphenylterephthalic acid by oxidation Aug. 2, 1994
5313009 Nitration process May. 17, 1994
5312994 Phenylethynyl endcapping reagents and reactive diluents May. 17, 1994
5264511 Polymers of bis (ethynylstyryl) benzene and related monomers Nov. 23, 1993
5260285 Substituted imidazopyridazines as angiotensin II antagonists Nov. 9, 1993
5162583 Benzylether derivatives Nov. 10, 1992
5132437 Synthesis of 1-aminoanthraquinone Jul. 21, 1992
5103038 Substituted cyclopentadiene electron transport compounds Apr. 7, 1992
5099079 Process for separating acid from nitro substituted aromatics using a molten nitrate salt Mar. 24, 1992
5047420 1,3-diaryl cyclopentanes and derivatives thereof as PAF antagonists Sep. 10, 1991
5023386 Production of hexanitrostilbene (HNS) Jun. 11, 1991
4985178 Nonlinear optical device from 3-methyl-4-methoxy-4'-nitrostilbene Jan. 15, 1991
4973770 Manufacture of organic nitro compounds Nov. 27, 1990
4956123 Method for manufacture of fluorine-containing aromatic derivatives Sep. 11, 1990
4853151 Dispirotetradecanes Aug. 1, 1989
4853397 Substituted furazans and insecticidal and acaricidal use Aug. 1, 1989
4814483 Process for the preparation of optionally substituted 2-benzyl-toluenes Mar. 21, 1989
4791123 Insecticidal triffluormethyl alkane derivatives Dec. 13, 1988
4734532 Process for the preparation of 4,4'-dinitrodibenzyls Mar. 29, 1988
4721821 Method for preparing nitrobibenzyl systems Jan. 26, 1988
4709107 Process for producing nitrones Nov. 24, 1987
4626606 Production of hexanitrostilbene (HNS) Dec. 2, 1986
4590263 High speed diazonium salts useful in diazo type photoreproduction May. 20, 1986
4558166 Process for the preparation of benzal chlorides Dec. 10, 1985
4554360 Process for converting aromatic compounds Nov. 19, 1985
4551264 Polyhalogenoaromatic compounds for liquid crystal compositions Nov. 5, 1985
4495372 Preparation of mono-nitro aromatic compounds Jan. 22, 1985
4447662 Beta-dicarbonyl compounds for the promotion of aromatic nitration by nitrogen tetroxide May. 8, 1984

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