Inventor
Heidemarie Menzel
Inventor
Bad Soden, 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. pigments38%
C09DCoating compositions, e.g. paints, varnishes or lacquers34%
D21HPulp compositions10%
G03GElectrography10%
G02BOptical elements, systems or apparatus7%
PatentTitleYear
7,297,200'Water-soluble yellow azo dyes'20077,285,592'Pigments dispersions based on water and acrylate'20077,066,993'Colorant composition'20067,060,124'Dye combination'20067,008,475'Water-based colorant preparations'20066,596,067'Colorant mixture'20036,464,768'Water-soluble stilbene dyes, their preparation and use'20026,432,185'Red acid dyes for injet printing and paper dyeing'20026,406,527'Water-soluble red acid dyes, their preparation and use'20026,406,528'Use of improved cyan pigments in inkjet inks'20026,391,507'Cyan pigments in electrophotographic toners and developers'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2006Patents assigned to CLARIANT GMBH (9)· patent assignee history
2002–2007Based in Bad Soden, DE· patent location history
2007Patents assigned to CLARIANT PRODUKTE DEUTSCHLAND (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARIANT GMBH | 9 | 2002–2006 |
| CLARIANT PRODUKTE DEUTSCHLAND | 2 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bad Soden, DE | 11 | 2002–2007 |