Inventor

Helmut Schubert

Inventor

Leonberg, DE

Overview

1988–2011

Patent span

Chemistry

Primary field (CPC C)

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

C04Bprimary

C04BLime, magnesia20%

G01NInvestigating or analysing materials by determining their chemical or physical properties20%

A61KPreparations for medical, dental or toiletry purposes10%

A61LMethods or apparatus for sterilising materials or objects in general10%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals10%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to DRAGER AG (1)· patent assignee history

1988Patents assigned to MAX PLANCK GES ZUR FORDERUENG (1)· patent assignee history

1988–1990Based in Leonberg, DE· patent location history

1990Patents assigned to MAX PLANCK GESELLSCHAFT (2)· patent assignee history

1990Based in Stuttgart, DE· patent location history

2011Patents assigned to DRITTE PATENTPORTFOLIO BETEILIGUNGS GMBH & CO KG (1)· patent assignee history

2011Based in Berlin, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAX PLANCK GESELLSCHAFT	2	1990
DRAGER AG	1	1988
DRITTE PATENTPORTFOLIO BETEILIGUNGS GMBH & CO KG	1	2011
MAX PLANCK GES ZUR FORDERUENG	1	1988

Locations