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| Number | Title | Issue Date |
| 6214196 | Method of producing bisphosphine oxide A method of producing a bisphosphine oxide by performing a koble electrolysis coupling reaction to a phosphine oxide carboxylic acid represented by the general formula (1): ##STR1## wherein the bisphosphine oxide is represented by the following general ... | 04/10/2001 |
| 4879008 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 11/07/1989 |
| 4517062 | Process for the electrochemical synthesis of ethylene glycol from formaldehyde A process for the formation of glycols, particularly ethylene glycol through the electrochemical coupling of aldehydes such as formaldehyde in neutral or acidic solutions producing high yields and product selectivities is disclosed. The process can also b... | 05/14/1985 |
| 4457809 | Method for oxidizing lower alkanols to useful products Methanol can be oxidized to formaldehyde gas, and ethanol can be oxidized (e.g. in two steps) to acetic acid, in an "electrogenerative" or "voltameiotic" cell (i.e. a fuel cell designed to produce useful oxidation products). The structure of the anode and... | 07/03/1984 |
| 4133729 | Production of 1,2-bis(hydroxy-phenyl)ethane-1,2-diols by electrolytic reduction The product 1,2-bis(hydroxyphenyl)ethane-1,2-diol of electrolytic reductive coupling of hydroxybenzaldehyde is recovered by purging the electrolyte solution and extracting the 1,2-bis(hydroxyphenyl)ethane-1,2-diol, leaving a product extraction residue whi... | 01/09/1979 |
| 4101392 | Process for electrolytic oxidative methyl-methyl coupling of cresol salts Cresol salts substituted with non-interfering, blocking substituents at least at the 2,4,6-positions relative to the phenolic oxyanion where at least one of the substituents is the cresolic methyl are electrolytically oxidized to yield methyl-methyl coupl... | 07/18/1978 |
| 4101391 | Electrolytic oxidative methyl-methyl coupling of cresol salts Electrolytic oxidation of cresol salts substituted with non-interfering, blocking substituents at least at the 2,4,6-positions relative to the phenolic oxyanion where at least one of the substituents is the cresolic methyl leads to methyl-methyl coupled d... | 07/18/1978 |
| 4087336 | Electrolytic reductive coupling of hydroxybenzaldehydes Electrolytic reductive coupling of hydroxybenzaldehydes in an aqueous alkaline electrolysis medium in an undivided electrolytic cell yields 1,2-bis(hydroxyphenyl)ethane-1,2-diols.... | 05/02/1978 |
| 4076601 | Electrolytic process for the preparation of ethane-1,1,2,2-tetracarboxylate esters and related cyclic tetracarboxylate esters Electrolytic dehydrodimeric coupling of malonate esters at elevated temperatures yields ethane-1,1,2,2-tetracarboxylate esters. Similar intramolecular coupling of bismalonate esters yields related cyclic tetracarboxylate esters in which the ethane-1,1,2,2... | 02/28/1978 |
| 4013524 | Electrolytic carboxylation and dimerization of olefins ,ଲ-Olefinic nitriles, esters and amides are electrolytically carboxylated and dimerized.... | 03/22/1977 |
| 3992269 | Production of pinacols in a membrane cell Disclosed is an improved method for the electrochemical production of pinacols from organic carbonyl compounds at high current efficiency in an acid medium in a cell having a hydraulically impermeable cation-exchange membrane. Aqueous organic carbonyl com... | 11/16/1976 |
| 3992435 | Process for electrolytic synthesis of polyalkylbiphenylpolycarboxylic acid compounds Process for coupling alkyl esters of polyalkylbenzoic acid to prepare polyalkylbiphenylpolycarboxylic acid compounds which comprises anodically oxidizing said alkyl esters in a non-nucleophilic media by applying a source of direct current in liquid phase ... | 11/16/1976 |
| 3984294 | Electrochemical manufacture of pinacol Pinacol is manufactured by electrolytic hydrodimerization of acetone in a compartmented cell using a catholyte which contains from 10 to 90% by weight of acetone, from 1 to 60% by weight of water and from 1 to 50% by weight of a quaternary ammonium salt.... | 10/05/1976 |
