Inventor
Friedrich-Wilhelm Raulfs
Inventor
Mannheim, DE
Overview
Patents· 19 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. pigments19%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
C07DHeterocyclic compounds9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C10LFuels not otherwise provided for6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B41MPrinting, duplicating, marking, or copying processes4%
C07CAcyclic or carbocyclic compounds4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
PatentTitleYear
7,566,361'Colouring preparations'20097,176,255'Method for producing aqueous polymer dispersions containing colorants'20077,074,850'Cross-linkable polyurethane block copolymers and their use in dispersion binding agent systems'20066,770,331'Colorant preparations'20046,737,122'Method for coating substrates'20046,727,318'Method for producing aqueous polymer dispersions containing colorants'20045,849,361'Methine dyes based on formylaminopyridones'19985,663,386'Method for marking mineral oils with amthraquinones'19975,627,077'Anilines as markers for mineral oils'19975,500,141'Magnetic ink concentrate'19965,491,043'Electrostatic toners with polyamine charge stabilizers'19965,487,770'Detection of marked mineral oils and novel azo dyes'19965,250,207'Magnetic ink concentrate'19935,144,064'Preparation of J-acid urea'19925,071,987'Quinoline-4-carboxylic acid derivatives'19915,053,524'3-aminophenylpentane-1,5-diones'19914,962,190'Azo dyes containing polyethyleneimine with an aniline diazo component and a hydroxynaphthalene, aminopyridine or acetoacetic coupling component'19904,940,649'Photopolymerizable recording materials and photoresist layers and lithographic printing plates based thereon'19904,908,447'2-,6-diphenylpyridine compounds useful as dye precursors'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2009Patents assigned to BASF AG (19)· patent assignee history
1990–2009Based in Mannheim, DE· patent location history
1990–1997Based in Ludwigshafen, DE· patent location history
1992–1996Based in Limburgerhof, DE· patent location history
1997Based in Kobe, JP· patent location history
1998Based in Higashinada-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 19 | 1990–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mannheim, DE | 10 | 1990–2009 |
| Ludwigshafen, DE | 4 | 1990–1997 |
| Limburgerhof, DE | 3 | 1992–1996 |
| Higashinada-ku, JP | 1 | 1998 |
| Kobe, JP | 1 | 1997 |