| Patent Number |
Title Of Patent |
Date Issued |
| 4828762 |
Process for the production of 2,3,5-trimethylbenzoquinone |
May 9, 1989 |
| A process for the production of 2,3,5-trimethylbenzoquinone (TMBQ) from 2,3,6-trimethylphenol (TMP) is described, comprising contacting TMP with oxygen or an oxygen containing gas in a medium of water and an aliphatic alcohol having from 5 to 10 carbon atoms in the presence of catalyst o |
| 4434544 |
Multilayer circuit and process for manufacturing the same |
March 6, 1984 |
| A multilayer circuit construction includes a conductive layer formed of an alloy of a noble metal and a small amount of a base metal disposed on a heat resistant insulating substrate. The portion of the substrate not covered with the conductive alloy is covered with an oxide of the base |
| 4239741 |
Process for producing hydrazine sulfate |
December 16, 1980 |
| Hydrazine sulfate having a relatively large particle diameter and a high purity is produced by hydrolysis of benzophenoneazines by sulfuric acid having a concentration of 75% by weight or less in an amount of 1.1 times by mole or more the stoichiometric amount in a very high conversion a |
| 4130586 |
Process for producing imine compounds |
December 19, 1978 |
| An imine compound is produced by reacting a benzophenone with ammonia in the presence of 0.01 to 10% by weight of a carboxylic acid as a catalyst at a reaction temperature of 50.degree. to 350.degree. C on the basis of benzophenone. Ammonia is fed to the reaction system continuously unde |
