Inventor
Gunter Klug
Inventor
Monheim, DE
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
C07DHeterocyclic compounds12%
C07CAcyclic or carbocyclic compounds9%
D21HPulp compositions9%
Y10TTechnical subjects covered by former us classification9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
G03GElectrography3%
PatentTitleYear
8,920,605'Fluorescent whitening agent compositions'20148,608,907'Fluorescent whitening agent compositions'20138,354,041'Composition and process for whitening paper'20136,797,670'Microcapsules having polyurea walls'20046,586,107'Microcapsules having polyurea walls'20035,552,365'Pressure-sensitive recording material which comprises natural oils and/or derivatives thereof'19965,439,869'Thermoreactive recording material of particular stability'19955,368,968'Modified polyester resins, a process for their preparation and toners containing such polyester resins'19945,292,712'Thermoreactive recording material having particular stability'19945,236,782'Microcapsules'19935,134,113'Thermoreactive recording material'19925,118,814'Tetraindolyl-heptamethine derivatives'19925,092,925'Mixture of 3,1-benzoxazines and fluoranes'19925,072,017'Process for the preparation of P-substituted O-benzylphenols'19915,068,434'Process for the preparation of N-alkylated anilines'19915,024,987'Recording material'19914,940,817'Process for the preparation of n-alkylanilines'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2004Patents assigned to BAYER AG (14)· patent assignee history
1990–1996Based in Monheim, DE· patent location history
1991Based in Krefeld, DE· patent location history
2003–2014Based in Langenfeld, DE· patent location history
2013–2014Patents assigned to BLANKOPHOR GMBH & CO KG (3)· patent assignee history
2013–2014Patents assigned to HUNKE BERNHARD (3)· patent assignee history
2013–2014Patents assigned to KRAEMER MICHAEL (3)· patent assignee history
2013–2014Patents assigned to TAUBER ANDREI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 14 | 1990–2004 |
| BLANKOPHOR GMBH & CO KG | 3 | 2013–2014 |
| HUNKE BERNHARD | 3 | 2013–2014 |
| KRAEMER MICHAEL | 3 | 2013–2014 |
| TAUBER ANDREI | 3 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Monheim, DE | 11 | 1990–1996 |
| Langenfeld, DE | 5 | 2003–2014 |
| Krefeld, DE | 1 | 1991 |