Inventor
Gunter Schnabel
Inventor
Hagen, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis9%
B01DSeparation9%
B21GMaking needles, pins or nails of metal9%
C07BGeneral methods of organic chemistry9%
C07CAcyclic or carbocyclic compounds9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C22CAlloys9%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
6,770,243'Chrome steel alloy'20045,814,231'Separation of liquid eutectic mixtures by crystallization on cold surfaces and apparatus for this purpose'19984,165,644'Apparatus for introducing samples into high pressure gas chromatographs or liquid chromatographs'19794,100,340'Copolymers containing perfluoroalkyl groups'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to HOECHST AG (1)· patent assignee history
1978Based in Kelkheim, DE· patent location history
1979Patents assigned to BAYER AG (1)· patent assignee history
1979Based in Wermelskirchen, DE· patent location history
1998Patents assigned to BASF AG (1)· patent assignee history
1998Based in Fussgonheim, DE· patent location history
2004Patents assigned to STAHLWERK ERGSTE WESTIG GMBH (1)· patent assignee history
2004Based in Hagen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 1 | 1998 |
| BAYER AG | 1 | 1979 |
| HOECHST AG | 1 | 1978 |
| STAHLWERK ERGSTE WESTIG GMBH | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hagen, DE | 1 | 2004 |
| Fussgonheim, DE | 1 | 1998 |
| Wermelskirchen, DE | 1 | 1979 |
| Kelkheim, DE | 1 | 1978 |