Inventor
Heinz Engelbach
Inventor
Limburgerhof, DE
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds59%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry37%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
4,814,513'Preparation of carbonyl compounds'19894,814,479'Preparation of aromatic nitriles'19894,620,035'Production of acrylic acid by oxidation of acrolein'19864,503,261'Preparation of glyoxal'19854,392,984'Olefin oligomerization catalysts and a process for their preparation'19834,305,843'Preparation of coated catalysts'19814,298,763'Preparation of .alpha.,.beta.-olefinically unsaturated aldehydes of 3 or 4 carbon atoms'19814,297,247'Preparation of coated catalysts'19814,282,374'Preparation of glyoxal from ethylene glycol'19814,259,211'Catalyst for the oxidation of acrolein and methacrolein to acrylic acid and methacrylic acid, respectively'19814,255,285'Coated catalysts and their preparation'19814,151,182'Production of anthraquinone'19794,110,370'Method of separating high-boiling or non-volatile materials'19784,052,450'Catalytic oxidation of .alpha.-olefins'19774,036,860'Production of anthraquinone'19774,031,135'Manufacture of acrylic acid by oxidation of propylene with oxygen-containing gases in two separate catalyst stages'19773,932,500'Recovering anhydrous acrylic acid'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1989Patents assigned to BASF AG (17)· patent assignee history
1976–1989Based in Limburgerhof, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 17 | 1976–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Limburgerhof, DE | 17 | 1976–1989 |