| Patent Number |
Title Of Patent |
Date Issued |
| 4460699 |
Fixed bed catalyst for oxychlorination |
July 17, 1984 |
| The present invention provides a fixed bed catalyst for the oxychlorination of ethene, alpha olefins and aromatics. More specifically, this invention relates to a catalyst having an impeded center which excludes reactants, or prevents products from forming in the interior of the catalyst |
| 4414136 |
Catalysts for ethylene oxychlorination |
November 8, 1983 |
| Highly active, improved ethylene oxychlorination catalysts are prepared by forming alumina having specific pore volume characteristics and impregnating such alumina with an oxychlorination catalyst such as CuCl.sub.2. The improved catalysts of the present invention utilize an alumina |
| 4287089 |
Method for removal of water from activated carbon |
September 1, 1981 |
| A method of removing water from activated carbon is disclosed. Briefly, the method comprises (a) passing liquid 1,2-dichloroethane through a bed of activated carbon until a bulk water phase ceases to exit the bed or until from about 60 to about 80 weight percent of the water present in a |
| 4286390 |
Method for removal of water from activated carbon |
September 1, 1981 |
| A method of removing water from activated carbon is disclosed. Briefly, the method comprises (a) passing liquid 1,2-dichloroethane through a bed of activated carbon until a bulk water phase ceases to exit the bed or until from about 60 to about 80 weight percent of the water present in a |
| 4141922 |
Process for purification of 1,2-dichloroethane |
February 27, 1979 |
| A method is provided for the removal of 2-chloroethanol from 1,2-dichloroethane (EDC) mixtures containing chloral comprising(1) placing the EDC/2-chloroethanol mixture at a pH of at least 10,(2) partially distilling said basic mixture to remove ethylene oxide from the resulting mixture of (1 |
| 4140711 |
Preparation of alkanedisulfonates from olefins using carboxylic acid |
February 20, 1979 |
| An improvement in the method of preparing alkanedisulfonates by the reaction of olefins with bisulfite or sulfite is disclosed. The improvement comprises conducting the reaction in the presence of an effective amount of a C.sub.3 -C.sub.6 monocarboxylic acid. |
| 4087474 |
Process for the purification of 1,2-dichloroethane |
May 2, 1978 |
| A method for the disposal of 2-chloroethanol by conversion to readily biodegradable ethylene glycol comprising;(1) extracting 2-chloroethanol into a neutral or acidic aqueous solution;(2) adjusting the pH of the solution to at least 10 and heating to a temperature of from about 25.degree. C |
| 4087457 |
Air initiation for detergent range pendant or internal olefin sulfitation |
May 2, 1978 |
| Air initiation of pendant or internal olefin sulfitation at commercially useful rates and selectivities is achieved by stirring a mixture containing detergent range internal or pendant olefins, an alkali-metal or ammonium bisulfite, an alkali-metal or ammonium sulfite, an alkali-metal |
| 4070396 |
Sulfite ion catalysis of bisulfite addition to higher molecular weight detergent range olefins |
January 24, 1978 |
| Reaction rate and olefin conversion in an organic peroxide initiated addition of water soluble bisulfite to olefins having 12 or more carbon atoms can be increased with the addition of a small amount of water soluble sulfite in combination with an organic solvent and agitation. The c |
