Inventor
Kurt Marquard
Inventor
Reinheim, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds20%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients16%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties16%
B82YSpecific uses or applications of nanostructures12%
C08JWorking-up12%
Y10TTechnical subjects covered by former us classification8%
C01BNon-metallic elements4%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
PatentTitleYear
6,302,926'Preparations of monodisperse spherical oxide particles'20015,698,309'Molded bodies made of polyester containing covalent-bonded oxide particles'19975,618,872'Inorganic fillers and organic matrix materials with refractive index adaptation'19975,494,949'Surface-modified oxide particles and their use as fillers and modifying agents in polymer materials'19965,277,888'Dispersions of spherical inorganic particles'19944,576,903'Developer for positive photoresists'19864,084,983'Dyed lustrous pigments'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2001Patents assigned to MERCK PATENT GMBH (5)· patent assignee history
1978Based in Darmstadt, DE· patent location history
1986–2001Based in Reinheim, DE· patent location history
1994Patents assigned to MERCK PATENT GES BESCHRAENKTER (1)· patent assignee history
1996–1997Patents assigned to HOECHST AG (2)· patent assignee history
1997Patents assigned to SIEMENS AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MERCK PATENT GMBH | 5 | 1978–2001 |
| HOECHST AG | 2 | 1996–1997 |
| MERCK PATENT GES BESCHRAENKTER | 1 | 1994 |
| SIEMENS AG | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Reinheim, DE | 6 | 1986–2001 |
| Darmstadt, DE | 1 | 1978 |