Inventor

Klaus Diedrich

Inventor

Gross Sarau, DE

Overview

1980–2015

Patent span

Human necessities

Primary field (CPC A)

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes29%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%

C12MApparatus for enzymology or microbiology12%

D21HPulp compositions12%

A61MDevices for introducing media into, or onto, the body6%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980–1982Patents assigned to HUELS CHEMISCHE WERKE AG (2)· patent assignee history

1980–1982Based in Gladbeck, DE· patent location history

1986Based in Rodermark, DE· patent location history

1997Based in Lubeck, DE· patent location history

2000Patents assigned to ASTA MEDICA AG (1)· patent assignee history

2000–2015Based in Gross Sarau, DE· patent location history

2008Patents assigned to AETERNA ZENTARIS GMBH (1)· patent assignee history

2010–2015Patents assigned to DIEDRICH KLAUS (2)· patent assignee history

2015Patents assigned to BOUCHARD PHILIPPE (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations