| Patent Number |
Title Of Patent |
Date Issued |
| 4097518 |
Method for the catalytic production of acrylonitrile |
June 27, 1978 |
| High-yield catalytic production of acrylonitrile at an elevated temperature, from a reaction mixture containing propylene, ammonia and molecular oxygen, utilizing a catalyst comprising an oxide composition having the empirical formula Mo.sub.a Co.sub.b Fe.sub.c X.sub.d O.sub.e wherei |
| 4078006 |
Process for preparing dihydric phenol derivatives |
March 7, 1978 |
| A process for preparing dihydric phenol derivatives by oxidizing monohydric phenol derivatives with hydrogen peroxide in the presence of a ketone. This reaction can be promoted in the presence of sulfuric acid or a salt thereof or a sulfonic acid or a salt thereof. |
| 4072722 |
Process for preparing dihydric phenol derivatives |
February 7, 1978 |
| A process for preparing dihydric phenol derivatives by oxidizing monohydric phenol derivatives with a ketone peroxide in the presence or absence of sulfuric acid or a salt thereof or a sulfonic acid or a salt thereof. |
| 4070390 |
Method for the catalytical preparation of acrylonitrile |
January 24, 1978 |
| Acrylonitrile can be produced in a high yield by the catalytical ammoxidation of propylene at an elevated temperature, preferably of 330.degree. to 470.degree. C, in the presence of a new type of catalyst consisting of an oxide composition of the empirical formula: Mo.sub.a Co.sub.b |
| 4045478 |
Method for the preparation of methacrylic acid |
August 30, 1977 |
| Methacrylic acid can be produced from methacrolein with a high reaction percentage of methacrolein and a high selectivity percentage of methacrylic acid, by bringing a reaction feed containing methacrolein and molecular oxygen into contact with an oxidation catalyst at a temperature |
| 4035263 |
Composite catalyst for clarifying exhaust gas containing nitrogen oxides and method for producin |
July 12, 1977 |
| A composite catalyst which is capable of clarifying exhaust gas containing nitrogen oxides therein with a high effectiveness over a long period of time while producing no or a very small amount of undesirable by-products such as ammonia, which comprises a catalytic ingredient comprising |
| 4013727 |
Process for preparing hydroxyphenyl ethers |
March 22, 1977 |
| A process for preparing hydroxyphenyl ethers by oxidizing phenyl ethers with hydrogen peroxide in the presence of a ketone or with a ketone peroxide. |
| 4009194 |
Catalytic ammoxidation of olefins to nitriles |
February 22, 1977 |
| Propylene or isobutylene is catalytically oxidized into the corresponding nitrile with improved conversions and yields. The catalyst consists essentially of the metals; (A) Mo, (B) Bi, (C) Co, (D) Fe and (E) Zr in the predetermined atomic ratios. |
| 4006167 |
Vapor phase oxidation of unsaturated aliphatic hydrocarbon to maleic anhydride using a catalyst |
February 1, 1977 |
| Unsaturated hydrocarbons having 4 to 6 carbon atoms are catalytically oxidized into maleic anhydride at relatively low temperatures in the range of 300.degree. C to 450.degree. C. The catalyst used consists essentially of oxides of vanadium, phosphorus, zirconium, and at least one elemen |