Engelbach; Heinz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Engelbach; Heinz.The latest application filed is for "production of acrylic acid by oxidation of acrolein".
- Engelbach; Heinz - Limburgerhof DE
| Patent | Date |
|---|---|
| Production of acrylic acid by oxidation of acrolein Grant 4,620,035 - Krabetz , et al. October 28, 1 | 1986-10-28 |
| Olefin oligomerization catalysts and a process for their preparation Grant 4,392,984 - Engelbach , et al. July 12, 1 | 1983-07-12 |
| Preparation of coated catalysts Grant 4,305,843 - Krabetz , et al. December 15, 1 | 1981-12-15 |
| Preparation of .alpha.,.beta.-olefinically unsaturated aldehydes of 3 or 4 carbon atoms Grant 4,298,763 - Engelbach , et al. November 3, 1 | 1981-11-03 |
| Preparation of coated catalysts Grant 4,297,247 - Krabetz , et al. October 27, 1 | 1981-10-27 |
| Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid, respectively Grant 4,259,211 - Krabetz , et al. March 31, 1 | 1981-03-31 |
| Coated catalysts and their preparation Grant 4,255,285 - Engelbach , et al. March 10, 1 | 1981-03-10 |
| Production of anthraquinone Grant 4,151,182 - Engelbach , et al. April 24, 1 | 1979-04-24 |
| Method of separating high-boiling or non-volatile materials Grant 4,110,370 - Engelbach , et al. August 29, 1 | 1978-08-29 |
| Catalytic oxidation of .alpha.-olefins Grant 4,052,450 - Krabetz , et al. October 4, 1 | 1977-10-04 |
| Manufacture of acrylic acid by oxidation of propylene with oxygen-containing gases in two separate catalyst stages Grant 4,031,135 - Engelbach , et al. June 21, 1 | 1977-06-21 |
| Recovering anhydrous acrylic acid Grant 3,932,500 - Duembgen , et al. January 13, 1 | 1976-01-13 |
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