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Class Information
Number: 585/615
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > Diolefin product > By c content reduction, e.g., cracking, etc. > Butadiene product per se
Description: Subject matter wherein the product recovered is butadiene, i.e., H2










Patents under this class:

Patent Number Title Of Patent Date Issued
8513479 Zinc ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof Aug. 20, 2013
7692053 Process for obtaining crude 1,3-butadiene from a C.sub.4 cut Apr. 6, 2010
7619126 Method for obtaining crude 1,3-butadiene from a C.sub.4 fraction Nov. 17, 2009
7226527 Method for recovering crude 1,3-butadiene by extractive distillation from a C.sub.4 cut Jun. 5, 2007
7132038 Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation Nov. 7, 2006
6194626 Process for the purification of a diolefin hydrocarbon stream from a naphtha steam cracker Feb. 27, 2001
5859280 Methods for inhibiting the polymerization of vinyl monomers Jan. 12, 1999
5856600 Production process of depolymerized natural rubber Jan. 5, 1999
4952745 Control ACR product yields by adjustment of severity variables Aug. 28, 1990
4777318 Process and furnace for the steam cracking of hydrocarbons for the preparation of olefins and diolefins Oct. 11, 1988
4762958 Process and furnace for the steam cracking of hydrocarbons for the preparation of olefins and diolefins Aug. 9, 1988
4672144 Flame conversion of methane to more reactive hydrocarbons Jun. 9, 1987
4672143 Flame reactor for cracking hydrocarbons Jun. 9, 1987
4166830 Diacritic cracking of hydrocarbon feeds for selective production of ethylene and synthesis gas Sep. 4, 1979
4137147 Process for manufacturing olefinic hydrocarbons with respectively two and three carbon atoms per molecule Jan. 30, 1979
4134824 Integrated process for the partial oxidation-thermal cracking of crude oil feedstocks Jan. 16, 1979
4097363 Thermal cracking of light gas oil at high severity to ethylene Jun. 27, 1978











 
 
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