Inventor

Gerhard Siewert

Inventor

Berlin, DE

Overview

2→

Patents

1983–1985

Patent span

Chemistry

Primary field (CPC C)

Patents· 2 as inventor

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

C07Kprimary

C07KPeptides25%

C12NMicroorganisms or enzymes25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture13%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms13%

PatentTitleYear

4,543,329'Process for the specific cleavage of protein sequences from proteins'1985 4,375,514'Preparation and use of recombinant plasmids containing genes for alkaline phosphatases'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1985Patents assigned to SCHERING AG (2)· patent assignee history

1983–1985Based in Berlin, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHERING AG	2	1983–1985

Locations

Location	Patents	Span
Berlin, DE	2	1983–1985