Inventor
Wolfgang Bockelmann
Inventor
Leverkusen, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals31%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds15%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties15%
Y02PClimate change mitigation technologies in the production or processing of goods15%
C01GCompounds containing metals not covered by subclasses c01d or c01f8%
C04BLime, magnesia8%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing8%
PatentTitleYear
5,013,365'Iron oxide black pigments, processes for their preparation and their use'19915,002,609'Iron oxide black pigment granules, processes for their preparation and their use'19914,500,350'Disintegration of chromites'19854,168,240'Process for the preparation of a chrome tanning agent and Glauber\'s salt'19794,138,466'Producing chromate substantially free of vanadium'19794,112,046'Disintegration of silica-rich chromite'19784,066,734'Alkaline disintegration of chromites'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1991Patents assigned to BAYER AG (7)· patent assignee history
1978–1985Based in Leverkusen, DE· patent location history
1991Based in Krefeld, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 7 | 1978–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leverkusen, DE | 5 | 1978–1985 |
| Krefeld, DE | 2 | 1991 |