Inventor
Jurgen Kuhlwein
Inventor
Heusenstamm, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments22%
A61LMethods or apparatus for sterilising materials or objects in general11%
C07CAcyclic or carbocyclic compounds11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
D06PDyeing or printing textiles11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
5,824,117'Nitrobenzisothiazole azo dyestuff'19985,492,995'Polycondensates containing phosphinic or phosphonic acid groups and siloxane groups'19965,488,123'Polycondensates containing polysiloxane groups'19965,174,791'Process for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dye'19925,041,496'Hydrophilic, swellable graft copolymers, their preparation and use'19914,661,626'Process for the production of 2-isocyanato-2,3-dehydrocarboxylic acid esters'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to DEGUSSA (1)· patent assignee history
1987Based in Waiblingen, DE· patent location history
1991–1996Patents assigned to CASSELLA AG (2)· patent assignee history
1991–1992Based in Offenbach, DE· patent location history
1992Patents assigned to CASSELLA FARBWERKE MAINKUR AG (1)· patent assignee history
1996Patents assigned to HOECHST AG (1)· patent assignee history
1996–1998Based in Heusenstamm, DE· patent location history
1998Patents assigned to DYSTAR JAPAN LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CASSELLA AG | 2 | 1991–1996 |
| CASSELLA FARBWERKE MAINKUR AG | 1 | 1992 |
| DEGUSSA | 1 | 1987 |
| DYSTAR JAPAN LTD | 1 | 1998 |
| HOECHST AG | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Heusenstamm, DE | 3 | 1996–1998 |
| Offenbach, DE | 2 | 1991–1992 |
| Waiblingen, DE | 1 | 1987 |