Inventor
Karl-Heinz Schweikart
Inventor
Eschborn, DE
Overview
Patents· 5 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. pigments38%
C09DCoating compositions, e.g. paints, varnishes or lacquers31%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
B41MPrinting, duplicating, marking, or copying processes8%
G02BOptical elements, systems or apparatus8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
8,703,865'Method for production of polymer-encapsulated pigments'20148,021,716'Polyelectrolyte-encapsulated pigments'20117,855,041'Pigment preparation based on an azo pigment'20107,416,596'Use of a pigment composition comprising mixed crystals based on CI pigment yellow 74'20087,384,472'Pigment preparations based on PY 155'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2010Patents assigned to CLARIANT PRODUKTE DEUTSCHLAND (2)· patent assignee history
2008Patents assigned to CLARIANT INT LTD (1)· patent assignee history
2008–2014Based in Eschborn, DE· patent location history
2011–2014Patents assigned to CLARIANT FINANCE BVI LTD (2)· patent assignee history
2014Patents assigned to GANSCHOW MATTHIAS (1)· patent assignee history
2014Patents assigned to LANDFESTER KATHARINA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARIANT FINANCE BVI LTD | 2 | 2011–2014 |
| CLARIANT PRODUKTE DEUTSCHLAND | 2 | 2008–2010 |
| CLARIANT INT LTD | 1 | 2008 |
| GANSCHOW MATTHIAS | 1 | 2014 |
| LANDFESTER KATHARINA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eschborn, DE | 5 | 2008–2014 |