Inventor
Peter Woditsch
Inventor
Krefeld, DE
Overview
Patents· 34 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 compounds14%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties13%
C01GCompounds containing metals not covered by subclasses c01d or c01f9%
C30BSingle-crystal growth8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
C01BNon-metallic elements6%
G11BInformation storage based on relative movement between record carrier and transducer6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
Y10TTechnical subjects covered by former us classification5%
C04BLime, magnesia4%
PatentTitleYear
6,916,560'Silicon nitride based substrate for semi-conductor components'20056,576,831'Multicrystalline silicon having a low proportion of active grain borders'20036,395,661'Sintered silicon nitride, components made therewith, specially valves, methods for the production and use thereof'20026,013,872'Directionally solidified, multicrystalline silicon, a process for the production thereof and its use, and solar cells containing this silicon and a process for the production thereof'20005,013,393'Process for the melting and directional solidification of metals'19914,919,913'Process for the production of solar silicon'19904,877,596'Process for the production of low carbon silicon'19894,790,871'Strip-shaped films of metals, a process and an apparatus for the production thereof and the use thereof'19884,755,220'Materials resistant to metal and salt melts, their production and their use'19884,670,096'Process and apparatus for producing semi-conductor foils'19874,561,930'Process for the production of coarsely crystalline silicon'19854,525,334'Process for the production of silicon'19854,400,432'Coating iron oxide particles for magnetic recording'19834,344,799'Readily dispersible TiO.sub.2 pigment'19824,328,040'Process for the production of titanium dioxide pigments with high weather resistance'19824,323,596'Coating iron oxide particles for magnetic recording'19824,321,237'Treating hydrolysis residues from preparation of titanium dioxide'19824,318,844'Inorganic pigments with improved gloss and distribution in lacquer binders'19824,318,843'Inorganic pigments with improved gloss and good distribution in lacquer binders'19824,313,913'Production of hydrolyzable titanyl sulphate solution'19824,304,758'Hydrolyzable titanyl sulphate solutions by decomposition of ternary raw material mixtures'19814,186,028'Fluid pigment suspensions with phosphonocarboxylic acids'19804,179,306'Stabilizing titanium dioxide pigments with vanadates'19794,173,485'Production of zinc and alkaline earth metal titanates'19794,143,026'Pigmented ABS polymer and polyamides'19794,123,501'Oxidation of metallic iron to black oxide pigments'19784,111,832'Process for regenerating spent vanadium oxide containing oxidation catalysts'19784,093,777'Coated stabilized cadmium chalcogenide pigments'19784,073,764'Degradable plastic composition'19784,014,710'Magnetic pigments with improved orientability and a process for their production'19773,983,221'Production of basic aluminium nitrate solution'19763,974,079'Production of gamma iron oxide'19763,963,585'Distillation of titanium tetrachloride in solution with selected amines'19763,931,025'Magnetic iron oxides with improved orientability and a process for their production'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2002Patents assigned to BAYER AG (32)· patent assignee history
1976–2005Based in Krefeld, DE· patent location history
2003Patents assigned to SOLAR GMBH DEUTSCHE (1)· patent assignee history
2005Patents assigned to H C STARCK CERAMICS GMBH & CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 32 | 1976–2002 |
| H C STARCK CERAMICS GMBH & CO | 1 | 2005 |
| SOLAR GMBH DEUTSCHE | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Krefeld, DE | 34 | 1976–2005 |