Inventor
Helga Weis
Inventor
Frankfurt am Main, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia33%
H10NElectric solid-state devices not otherwise provided for33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
6,043,198'High-T.sub.c superconductor or precursor material for the oxide-powder-in-tube method (OPIT)'20005,670,434'(Bi,Pb)SrCaCuO precursor material for the oxide powder in tube method (OPIT)'19975,541,154'Process for preparing a high-TC superconductor as a precursor material for the oxide-powder-in-tube method (OPIT)'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2000Patents assigned to HOECHST AG (3)· patent assignee history
1996–2000Based in Frankfurt am Main, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 3 | 1996–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 3 | 1996–2000 |