Inventor
Leonhard Feiler
Inventor
Binzen, DE
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments32%
C07DHeterocyclic compounds15%
C07CAcyclic or carbocyclic compounds9%
C04BLime, magnesia6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
B82YSpecific uses or applications of nanostructures3%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
8,962,140'Functionalized core-shell nanoparticles'20158,287,776'Preparation of a photochromic ink'20127,786,313'Heat-stable diketopyrrolopyrrole pigment mixtures'20107,417,154'Heat-stable diketopyrrolopyrrole pigment mixtures'20087,217,803'Benzimidazole-pyridone-based azo dyes'20076,872,839'Benzofuran-2-one'20056,762,224'Compounds for mass colouration of high temperature polymers'20046,355,783'Compounds for mass coloration of high temperature polymers'20026,093,834'Preparation of perylene-3,4-dicarboxylic acid anhydrides'20005,900,490'Preparation of perylene-3, 4-Dicarboxylic acid anhydrides'19995,650,513'Process for preparing perylene-3,4-dicarboxylic acid derivatives, the derivatives thus prepared and their use'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to CIBA GEIGY CORP (1)· patent assignee history
1997Based in Riemerling, DE· patent location history
1999–2010Patents assigned to CIBA SC HOLDING AG (7)· patent assignee history
1999–2000Based in Givisiez, CH· patent location history
2002–2005Based in Neuenburg, DE· patent location history
2005Patents assigned to CIBASPECIALTY CHEMICALS CORP (1)· patent assignee history
2007–2015Based in Binzen, DE· patent location history
2012–2015Patents assigned to BASF SE (2)· patent assignee history
2012Patents assigned to FEILER LEONHARD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA SC HOLDING AG | 7 | 1999–2010 |
| BASF SE | 2 | 2012–2015 |
| CIBA GEIGY CORP | 1 | 1997 |
| CIBASPECIALTY CHEMICALS CORP | 1 | 2005 |
| FEILER LEONHARDself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Binzen, DE | 5 | 2007–2015 |
| Neuenburg, DE | 3 | 2002–2005 |
| Givisiez, CH | 2 | 1999–2000 |
| Riemerling, DE | 1 | 1997 |