1
Abraham P Gelbein, Matt Buchholz: Process and structure for effecting catalytic reactions in distillation structure. December 17, 1991: US05073236 (67 worldwide citation)

A concurrent catalytic reaction with distillation structure involves a plurality of vapor permeable plates which are arranged in spaced apart relationship with a catalyst placed in the open space between two adjacent plates. The catalyst filled area presents a reaction zone where catalytic reaction ...


2
Abraham P Gelbein, Joon T Kwon: Production of epoxy compounds from olefinic compounds. The Lummus Company, Elliot M Olstein, January 29, 1985: US04496752 (34 worldwide citation)

Chlorine and tertiary alkanol dissolved in an inert organic solvent are reacted with aqueous alkali to produce tertiary alkyl hypochlorite which is recovered in the organic solvent and reacted with water and olefinically unsaturated compound to produce chlorohydrin and tertiary alkanol. Chlorohydrin ...


3
Lawrence A Smith Jr, Mitchell E Loescher, John R Adams, Abraham P Gelbein: Paraffin alkylation. Catalytic Distillation Technologies, Osha•Liang, July 31, 2007: US07250542 (32 worldwide citation)

A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a disperser mesh under conditions of temper ...


4
Abraham P Gelbein, Arthur S Nislick: Production of epoxy compounds from olefinic compounds. The Lummus Company, Elliot M Olstein, Louis E Marn, April 17, 1984: US04443620 (28 worldwide citation)

Chlorine and tertiary alkanol dissolved in an inert organic solvent are reacted with calcium oxide in aqueous calcium chloride to produce tertiary alkyl hypochlorite which is recovered in the organic solvent and reacted with water and olefinically unsaturated compound to produce chlorohydrin and ter ...


5
Abraham P Gelbein, Joon Taek Kwon: Production of epoxy compounds from olefinic compounds. The Lummus Company, Marn & Jangarathis, February 15, 1977: US04008133 (23 worldwide citation)

Olefin oxide is produced by reacting chlorine, obtained from an electrolysis cell, with a tertiary alkanol and an aqueous solution, containing sodium hydroxide and sodium chloride, obtained from the cathode of an electrolysis cell, to produce a tertiary alkyl hypochlorite. The hypochlorite is then r ...


6
J Yong Ryu, Abraham P Gelbein: Process and catalyst for making dialkyl carbonates. Catalytic Distillation Technologies, Kenneth H Johnson, May 21, 2002: US06392078 (22 worldwide citation)

A process for producing dialkyl carbonates, such as dimethyl carbonate, from the reaction of a primary alcohol with urea in the presence of a catalyst which is a complex compound represented by R


7
Marvin I Greene, Abraham P Gelbein: Process for the synthesis of aliphatic alcohol-containing mixtures. Chem Systems, Bert J Lewen, Marvin Bressler, October 16, 1984: US04477594 (18 worldwide citation)

A process for the synthesis of mixtures which include saturated aliphatic alcohols is disclosed. In the first step of the process, the first catalyst activation stage, a catalyst, which comprises the oxides of copper, zinc, aluminum, potassium and one or two additional metals selected from the group ...


8
Marvin I Greene, Abraham P Gelbein: Cracking of heavy carbonaceous liquid feedstocks utilizing hydrogen donor solvent. Marvin Bressler, December 14, 1982: US04363716 (17 worldwide citation)

Heavy carbonaceous liquid having a melting point below 250.degree. C. is upgraded to lighter products by hydrogen donor solvent cracking, using recycled solvent derived at least in part from a middle distillate fraction of either the heavy carbonaceous liquid or from the cracked products which is su ...


9
Joon T Kwon, Abraham P Gelbein: Cyclic process for production of alkylene oxide using electrolysis of brine. The Lummus Company, Marn & Jangarathis, November 21, 1978: US04126526 (15 worldwide citation)

In an integrated process for electrolytic production of chlorine and the production of an olefin oxide via the chlorohydrin wherein the chlorohydrin is contacted with an aqueous solution of sodium hydroxide and sodium chloride from the cathode compartment of an electrolytic cell, to produce the oxid ...


10
Morgan C Sze, Abraham P Gelbein, Joon T Kwon: Denitrification of carbonaceous feedstocks. The Lummus Company, Marn & Jangarathis, August 22, 1978: US04108761 (14 worldwide citation)

A carbonaceous feedstock, obtained from either a petroleum or coal source, is hydrodenitrified by the use of a supported sulfided catalyst containing nickel, molybdenum and iron, with the molybdenum being present in an amount of from about 10% to about 20%, by weight, calculated as MoO.sub.3, based ...