Inventor
Jorg Krekel
Inventor
Essen, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds21%
C01GCompounds containing metals not covered by subclasses c01d or c01f14%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
C07DHeterocyclic compounds14%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties14%
B01DSeparation7%
C04BLime, magnesia7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
5,837,051'Process for the thermal treatment of iron oxides in a circulating fluidized bed'19985,744,108'Process for the thermal treatment of titanium dioxide in a circulating fluidized bed and the use thereof'19984,284,576'Preparation of anthraquinone from tetrahydroanthraquinone'19814,159,925'Process for isolating propylene glycol diesters in the preparation of propylene oxide'19794,070,253'Process for separating solutions containing propylene oxide'19784,033,987'Isolating naphthoquinone and phthalic anhydride from naphthalene oxidation product'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1998Patents assigned to BAYER AG (6)· patent assignee history
1977–1998Based in Essen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 6 | 1977–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Essen, DE | 6 | 1977–1998 |