Inventor
Thomas Scharfe
Inventor
Alzenau, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes18%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds15%
C09DCoating compositions, e.g. paints, varnishes or lacquers15%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals12%
Y10TTechnical subjects covered by former us classification12%
B82YSpecific uses or applications of nanostructures6%
C01BNon-metallic elements6%
C03CChemical composition of glasses, glazes or vitreous enamels6%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties6%
D21HPulp compositions3%
PatentTitleYear
7,985,792'Dispersion of aluminium oxide'20117,572,854'Dispersion of aluminium oxide'20097,241,336'Pyrogenically produced aluminum-silicon mixed oxides'20077,015,270'Cationic mixed-oxide dispersion, coating pigment and ink-absorbing medium'20066,808,769'Dispersion, coating composition, and recording medium'20046,695,907'Dispersions containing pyrogenic oxides'20046,680,109'Pyrogenically produced aluminum oxide'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2009Patents assigned to DEGUSSA (6)· patent assignee history
2004–2011Based in Alzenau, DE· patent location history
2011Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 6 | 2004–2009 |
| EVONIK DEGUSSA GMBH | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Alzenau, DE | 7 | 2004–2011 |