Inventor

Eberhard Preisler

Inventor

Erftstadt, DE

Overview

1983–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Nprimary

H10NElectric solid-state devices not otherwise provided for26%

C04BLime, magnesia21%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

C01GCompounds containing metals not covered by subclasses c01d or c01f5%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals5%

B22DCasting of metals3%

C22BProduction and refining of metals3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

B28BShaping clay or other ceramic compositions2%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%

PatentTitleYear

6,043,198'High-T.sub.c superconductor or precursor material for the oxide-powder-in-tube method (OPIT)'2000 5,945,384'Process for producing tubular moldings from high-temperature superconducting material'1999 5,670,434'(Bi,Pb)SrCaCuO precursor material for the oxide powder in tube method (OPIT)'1997 5,541,154'Process for preparing a high-TC superconductor as a precursor material for the oxide-powder-in-tube method (OPIT)'1996 5,506,199'Method of making electrical contacts on bi-based oxide superconductors'1996 5,409,888'Process for producing a high-temperature superconductor and also shaped bodies composed thereof'1995 5,371,068'Process for producing tubular molded parts of high temperature superconductor material'1994 5,362,712'Process for removing a copper mold from a molded body'1994 5,328,890'Process for producing molded bodies from precursors of high-temperature superconductors'1994 5,294,601'High-temperature superconductor comprising barium sulfate, strontium sulfate or mixtures thereof and a process for its preparation'1994 5,250,507'Process for producing molded bodies from precursors of oxidic high-temperature superconductors'1993 5,244,876'Method for joining parts of ceramic high-temperature superconductor material'1993 5,235,309'Resistive current limiter'1993 5,231,369'Resistive current limiter and process for producing it'1993 5,162,300'Process for producing a high-temperature superconductor'1992 5,047,391'Process for producing a high-temperature superconductor and also shaped bodies composed thereof'1991 4,818,354'Process for the preparation electrolytic manganese dioxide'1989 4,589,960'Activated metal anodes and a process for making them'1986 4,462,912'Process for removing molybdenum from aqueous manganese salt solutions'1984 4,402,812'Electrolytic cell'1983 4,391,714'Process for removing molybdenum from aqueous salt solutions'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2000Patents assigned to HOECHST AG (21)· patent assignee history

1983–2000Based in Erftstadt, DE· patent location history

1994Based in Erfstadt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST AG	21	1983–2000

Locations

Location	Patents	Span
Erftstadt, DE	20	1983–2000
Erfstadt, DE	1	1994