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Class Information
Number: 568/931
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 > Polynitro
Description: Compounds which contain at least two -NO2
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6992230 |
Process for the production of 1,5-dinitronaphthalene |
Jan. 31, 2006 |
| 6906231 |
Aromatic nitration reactions |
Jun. 14, 2005 |
| 6844473 |
Continuous aspiration process for manufacture of ultra-fine particle HNS |
Jan. 18, 2005 |
| 6737554 |
Process for the production of a dinitronaphthalene isomer mixture with a high proportion of 1,5-dinitronaphthalene |
May. 18, 2004 |
| 6586617 |
Sulfonamide derivatives |
Jul. 1, 2003 |
| 6476280 |
Method for making nonanitroterphenyl |
Nov. 5, 2002 |
| 6420616 |
Process for preparing a dinitronaphthalene isomer mixture having an increased proportion of 1,5- dinitronaphthalene |
Jul. 16, 2002 |
| 6362380 |
Preparation of nitrobiphenyls |
Mar. 26, 2002 |
| 6333439 |
Bisazo compound and electrophotographic photoconductor using the same |
Dec. 25, 2001 |
| 6087542 |
Process for preparing nitrobiphenylene |
Jul. 11, 2000 |
| H1675 |
Hybrid capsule charge |
Sep. 2, 1997 |
| 5567846 |
Fluorinated aromatic dinitro compounds and diamines |
Oct. 22, 1996 |
| 5475149 |
Method for ether formation |
Dec. 12, 1995 |
| 5312952 |
Polymerization inhibitor for vinyl aromatics |
May. 17, 1994 |
| 5237077 |
Non-pollutional process for producing aromatic nitro compounds without using a mineral acid |
Aug. 17, 1993 |
| 5177258 |
Method of production of biaryl derivatives |
Jan. 5, 1993 |
| 5081233 |
Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds |
Jan. 14, 1992 |
| 5072061 |
1,14-bis(4-nitrophenyl)-1,3,5,7,9,11,13-tetradecaheptaene and preparation method thereof |
Dec. 10, 1991 |
| 5053544 |
Diamino compound and its intermediates |
Oct. 1, 1991 |
| 5037994 |
Regioselective nitration of diphenyl compounds |
Aug. 6, 1991 |
| 5023386 |
Production of hexanitrostilbene (HNS) |
Jun. 11, 1991 |
| 5008456 |
Diamino compounds, dinitro compounds, diol compounds and a process for preparing the diamino compounds |
Apr. 16, 1991 |
| 4952708 |
Method for preparing biaryl compounds |
Aug. 28, 1990 |
| 4935544 |
Polynitrobiphenyl derivative |
Jun. 19, 1990 |
| 4861924 |
1,3,5-trinitro-2,4,6-tripicrylbenzene |
Aug. 29, 1989 |
| 4853151 |
Dispirotetradecanes |
Aug. 1, 1989 |
| 4734532 |
Process for the preparation of 4,4'-dinitrodibenzyls |
Mar. 29, 1988 |
| 4721821 |
Method for preparing nitrobibenzyl systems |
Jan. 26, 1988 |
| 4695405 |
Process for quenching fluorescence, and new cationic or amphoteric aromatic nitro compounds |
Sep. 22, 1987 |
| 4626606 |
Production of hexanitrostilbene (HNS) |
Dec. 2, 1986 |
| 4604489 |
Recrystallization of hexanitrostilbene from dimethylsulfoxide and methanol |
Aug. 5, 1986 |
| 4558166 |
Process for the preparation of benzal chlorides |
Dec. 10, 1985 |
| 4551264 |
Polyhalogenoaromatic compounds for liquid crystal compositions |
Nov. 5, 1985 |
| 4503248 |
Substituted-quaterphenylene monomers for the production of polyamides therefrom |
Mar. 5, 1985 |
| 4447650 |
Methylene coupling of aromatics |
May. 8, 1984 |
| 4397677 |
Dioxolane substituted 2,6-dinitroanilines |
Aug. 9, 1983 |
| 4335055 |
Process for the preparation of alkenylbenzene derivatives or alkenylnaphthalene derivatives |
Jun. 15, 1982 |
| 4307258 |
HNS From 2,4,6-trinitrobenzyl chloride and nitrogenous bases |
Dec. 22, 1981 |
| 4307024 |
1,1,1-Triaryl-2,2,2-trifluoroethanes and process for their synthesis |
Dec. 22, 1981 |
| 4294976 |
Process for producing biphenyl compounds |
Oct. 13, 1981 |
| 4270012 |
Preparation of HNS from HNBB using oxygen |
May. 26, 1981 |
| 4268696 |
Method for preparing hexanitrostilbene |
May. 19, 1981 |
| 4261908 |
Process for isolating aromatic dinitro compounds |
Apr. 14, 1981 |
| 4260837 |
Recrystallization of hexsanitrostilbene from nitric acid and water |
Apr. 7, 1981 |
| 4255358 |
Process for the production of hexanitrostilbene |
Mar. 10, 1981 |
| 4250294 |
Polymers obtained from polynitroaromatic compounds |
Feb. 10, 1981 |
| 4247724 |
Process for preparing hexanitrobibenzyl |
Jan. 27, 1981 |
| 4245129 |
Process for preparing hexanitrobibenzyl |
Jan. 13, 1981 |
| 4243614 |
Process for producing hexanitrostilbene |
Jan. 6, 1981 |
| 4238394 |
Method for making diaryliodonium salts |
Dec. 9, 1980 |
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