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Browse by Category: Main > Chemistry
Class Information
Number: 585/811
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By plural serial diverse separations > To recover unsaturate > Including treatment with s-containing agent
Description: Subject matter wherein one of the steps of the process includes treatment of a material with an agent which contains sulfur in free or combined form.










Patents under this class:

Patent Number Title Of Patent Date Issued
7968758 Process for the dissociation of MTBE Jun. 28, 2011
7910786 Process for the dissociation of MTBE Mar. 22, 2011
7326820 System and method for purifying heptane Feb. 5, 2008
5744685 Unsaturated hydrocarbon separation and recovery process Apr. 28, 1998
4985137 Process for the removal of mercury from natural gas condensate Jan. 15, 1991
4966684 Process for the removal of mercury from natural gas condensate Oct. 30, 1990
4966683 Process for the removal of mercury from natural gas condensate Oct. 30, 1990
4778945 Process for removing paraffins from their mixtures with paraffinsulphonic acids Oct. 18, 1988
4761222 Method for separating normally liquid organic compounds Aug. 2, 1988
4710273 Olefin purification process Dec. 1, 1987
4645576 Process for isolating and recovering butene-1 of high purity Feb. 24, 1987
4570026 Production of isobutene from methyl tertiary butyl ether Feb. 11, 1986
4554390 Method for harvesting algae Nov. 19, 1985
4450069 Method for upgrading diene-containing hydrocarbon mixtures May. 22, 1984
4356339 Process for isolating and recovering butene-1 of high purity Oct. 26, 1982
4267034 Separating olefins from paraffins with dimethyl sulfoxide extractant May. 12, 1981
4163697 Process for obtaining isobutylene of a purity higher than 99.5 weight percent Aug. 7, 1979
4066713 Process for the addition of organic acids to acetylenic compounds contained in inorganic or organic hydrocarbon streams Jan. 3, 1978
4054613 Butadiene production and purification Oct. 18, 1977
4053369 Extractive distillation Oct. 11, 1977
4018843 Process for the obtaining of isobutylene of high purity Apr. 19, 1977
3979474 Process for separating isobutylene from C.sub.4 hydrocarbon mixtures Sep. 7, 1976











 
 
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