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Class Information
Number: 568/930
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 > Polycyclo ring system > Polynitro
Description: Compounds which contain at least two -NO2

Patents under this class:

Patent Number Title Of Patent Date Issued
8362295 Graphene compositions and methods for production thereof Jan. 29, 2013
6992230 Process for the production of 1,5-dinitronaphthalene Jan. 31, 2006
6737554 Process for the production of a dinitronaphthalene isomer mixture with a high proportion of 1,5-dinitronaphthalene May. 18, 2004
6420616 Process for preparing a dinitronaphthalene isomer mixture having an increased proportion of 1,5- dinitronaphthalene Jul. 16, 2002
6271411 Process for preparing 2-aryl-substituted indenes Aug. 7, 2001
6242656 Method for producing a dinitronaphthalene-isomer mixture having a high 1,5-dinitronaphthalene proportion Jun. 5, 2001
6191325 Recovering/recycling nitric acid from dinitration process streams comprising HNO3/dinitro compounds Feb. 20, 2001
5728901 Nitration process which employs water tolerant Lewis acid catalysts Mar. 17, 1998
5294732 Polysubstituted fullerenes and their preparation Mar. 15, 1994
5237077 Non-pollutional process for producing aromatic nitro compounds without using a mineral acid Aug. 17, 1993
5113013 Process for preparing fluorine-containing organic compounds May. 12, 1992
4853151 Dispirotetradecanes Aug. 1, 1989
4847434 Biphenol process Jul. 11, 1989
4755276 Nitro-substituted pitch and process for the production thereof Jul. 5, 1988
4620046 Nitrated aryl ethers Oct. 28, 1986
4604489 Recrystallization of hexanitrostilbene from dimethylsulfoxide and methanol Aug. 5, 1986
4570011 Preparation of cyclobutene substituted aromatic hydrocarbons Feb. 11, 1986
4393194 Substituted-quaterphenylene polyamide Jul. 12, 1983
4335055 Process for the preparation of alkenylbenzene derivatives or alkenylnaphthalene derivatives Jun. 15, 1982
4105786 Ethynylbenzene compounds and derivatives thereof Aug. 8, 1978
4053526 Process for isolating dinitronaphthalenes Oct. 11, 1977
4036838 Process for the production of nitro derivatives of aromatic compounds Jul. 19, 1977
4005102 Process for making 4-nitro-n-methylphthalimide Jan. 25, 1977
3998893 Process for preparing dinitronaphthalenes Dec. 21, 1976
3981933 Process for making dinitrotoluene Sep. 21, 1976
3981975 Preparation of anhydrous nitric acid Sep. 21, 1976
3975452 Reprocessing of final acid from nitroglycerine production Aug. 17, 1976

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