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Class Information
Number: 585/426
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > By condensation of entire cyclic molecules or entire hydrocarbyl moieties thereof, e.g., polymerization, etc. > Ring carbon of one molecule joined to ring carbon of other > Through residue of nonring molecule, e.g., acetylene, etc.
Description: Subject matter in which a moiety, present as an acyclic molecule in the feedstock, is present between the joined rings of the product.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7368624 Synthesis for polycyclic aromatic hydrocarbon compounds May. 6, 2008
6388153 Alpha-methylstyrene dimer derivatives May. 14, 2002
6316675 Process for the preparation of an olefin-substituted aromatic or heteroaromatic compound Nov. 13, 2001
5939595 Preparation of diarylethanes Aug. 17, 1999
5886202 Bridged fluorenyl/indenyl metallocenes and the use thereof Mar. 23, 1999
5866733 Preparation of diarylethanes Feb. 2, 1999
5744666 Process for preparing an alkynyl fulvene group containing compound and said compound Apr. 28, 1998
5728908 Process for preparing a bridged ligand and said bridged ligand Mar. 17, 1998
5644018 Pitch with reduced tendency to smoke during spinning and a process for the production of said pitch Jul. 1, 1997
5202514 Dechlorinated benzyltoluene/dibenzyltoluene oligomer dielectric liquids Apr. 13, 1993
5186864 Synthesis of dielectric liquids by improved Friedel-Crafts condensation Feb. 16, 1993
5159082 Process for producing aromatic compound Oct. 27, 1992
5068481 Method for producing diarylmethanes Nov. 26, 1991
5068482 Method for producing 1,1-diarylethanes Nov. 26, 1991
4990716 Preparation of diphenylmethanes Feb. 5, 1991
4929785 Process for preparing diphenylalkane May. 29, 1990
4891126 Mesophase pitch for use in the making of carbon materials and process for producing the same Jan. 2, 1990
4855518 Method for producing p-alkylstyrene Aug. 8, 1989
4855519 Method for producing arylethylene Aug. 8, 1989
4827065 Method of producing p-isobutylstyrene and a starting compound therefor May. 2, 1989
4814537 Oxidative coupling of methyl-substituted benzenes Mar. 21, 1989
4801372 Optically anisotropic pitch Jan. 31, 1989
4727208 Oxidative coupling with methyl-substituted benzenes Feb. 23, 1988
4689436 Process for producing alkenyl-aromatic hydrocarbon derivatives Aug. 25, 1987
4675462 Process for the preparation of (2,2)-paracyclophane Jun. 23, 1987
4670129 Pitch for production of carbon fibers Jun. 2, 1987
4429174 Process for dehydrocoupling toluene using a modified faujasite zeolite catalyst composition Jan. 31, 1984
4400567 Oxidative coupling of aromatic methyl groups Aug. 23, 1983
4393261 Hydrocarbon resin and process for preparation Jul. 12, 1983
4359327 Gas adsorption agents particularly for separating H.sub.2 from a gaseous phase Nov. 16, 1982
4339621 Preparation of O-benzyl toluene Jul. 13, 1982
4330439 Electric device comprising impregnated insulating materials and electric elements May. 18, 1982
4278824 Dehydrocoupling of toluene Jul. 14, 1981
4278825 Dehydrocoupling of toluene Jul. 14, 1981
4278826 Dehydrocoupling of toluene Jul. 14, 1981
4268704 Dehydrocoupling of toluene May. 19, 1981
4255604 Dehydrocoupling of toluene Mar. 10, 1981
4254293 Dehydrocoupling of toluene Mar. 3, 1981
4192824 Aromatic hydrocarbon resins Mar. 11, 1980
4152362 Hydroalkylation using a rhenium, nickel, rare earth zeolite May. 1, 1979
4108788 Liquid dielectric composition derived from the alkylation product of benzene with ethylene Aug. 22, 1978
4049733 Synthesis of diphenylmethane using phosphoric-sulfuric acid catalyst Sep. 20, 1977
4049732 Continuous telomerization process and its liquid products Sep. 20, 1977
4041088 Recirculation telomerization process and its liquid telomers and liquid telomers produced thereby Aug. 9, 1977
4035431 Alkylene-linked aromatic compounds Jul. 12, 1977
4011278 Conversion of polar compounds using a ZSM-5 zeolite catalyst Mar. 8, 1977
4011274 1,1-Diphenyl ethane process Mar. 8, 1977
3988424 Method for decomposing an aromatic aldehyde-hydrogen fluoride-boron trifluoride complex Oct. 26, 1976
3939218 P-Tert-butyl-diphenylalkane insecticides Feb. 17, 1976
3939059 Hydrocarbon conversion with an acidic sulfur-free multimetallic catalytic composite Feb. 17, 1976

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