Inventor
Kai Schumacher
Inventor
Hofheim, 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 compounds19%
C01BNon-metallic elements13%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties8%
Y10TTechnical subjects covered by former us classification7%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B82YSpecific uses or applications of nanostructures5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
PatentTitleYear
10,280,088Method for producing silicic acid with variable thickening20198,580,170'Process for producing a substantially shell-shaped component'20138,535,633'Process for the production of doped metal oxide particles'20138,512,595'Surface-modified, pyrogenically prepared silicas'20138,507,033'Surface-modified, pyrogenically prepared silicas'20138,209,999'Method of making silica-glass granule from pyrogenic silica powder'20128,197,791'Aluminium oxide powder, dispersion and coating composition'20128,071,070'Titanium dioxide having a variable sintering stability'20118,062,622'Titanium dioxide having increased sintering activity'20117,972,431'Surface-modified silicas'20117,918,933'Dispersion of high surface area silica'20117,910,515'Photocatalyst'20117,892,510'Silicon dioxide dispersion'20117,888,396'Silicon dioxide dispersion'20117,862,797'Mixed oxide powder comprising alkali metal oxide, and silicone rubber comprising this powder'20117,824,643'Silicon dioxide dispersion'20107,785,560'Purification of finely divided, pyrogenically prepared metal oxide particles'20107,749,322'Aluminium oxide powder produced by flame hydrolysis and having a large surface area'20107,722,849'Pyrogenic silicon dioxide and a dispersion thereof'20107,686,881'Flame-hydrolytically produced titanium dioxide powder'20107,658,907'Titanium-aluminium mixed oxide powder'20107,541,014'Pyrogenically produced silica'20097,537,833'Pyrogenically produced silicon dioxide powder and dispersion thereof'20097,534,409'Pyrogenic silicon dioxide powder and dispersion thereof'20097,491,375'Pyrogenically produced silicon dioxide powder'20097,439,298'Pyrogenically produced silicon dioxide powder and silicone sealing compound containing this powder'20087,416,600'Silicon-titanium mixed oxide powder produced by flame hydrolysis'20087,351,388'Pyrogenically produced silicon dioxide powder'20087,306,667'Silicon-titanium mixed oxide powder'20077,255,735'Surface-modified silicon dioxide-titanium dioxide mixed oxides'20077,244,302'Titanium dioxide coated with silicon dioxide'20076,855,635'Coated doped oxides'20056,773,814'Metal oxide particles coated with silicon dioxide'20046,767,377'Aqueous dispersion containing cerium oxide-coated silicon powder, process for the production thereof and use thereof'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2010Patents assigned to DEGUSSA (15)· patent assignee history
2004–2019Based in Hofheim, DE· patent location history
2005Based in Wiesbaden, DE· patent location history
2010–2019Patents assigned to EVONIK DEGUSSA GMBH (18)· patent assignee history
2011–2013Patents assigned to SCHUMACHER KAI (8)· patent assignee history
2011–2013Patents assigned to GOLCHERT RAINER (3)· patent assignee history
2011–2012Patents assigned to SCHULZE-ISFORT CHRISTIAN (3)· patent assignee history
2013Based in Fredenbeck, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVONIK DEGUSSA GMBH | 18 | 2010–2019 |
| DEGUSSA | 15 | 2004–2010 |
| SCHUMACHER KAIself | 8 | 2011–2013 |
| GOLCHERT RAINER | 3 | 2011–2013 |
| SCHULZE-ISFORT CHRISTIAN | 3 | 2011–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hofheim, DE | 32 | 2004–2019 |
| Fredenbeck, DE | 1 | 2013 |
| Wiesbaden, DE | 1 | 2005 |