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Inventor

Norbert Piel

Inventor
Erkrath, DE

Overview

2→
Patents
1992–2001
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
C07KPeptides20%
C07DHeterocyclic compounds10%
C07HSugars10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
6,271,342'Sugar-modified cytostatics'20015,091,364'Preparation of immunologically active cell wall components from archaebacteria'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2001Patents assigned to BAYER AG (2)· patent assignee history
1992–2001Based in Erkrath, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG21992–2001
Locations
LocationPatentsSpan
Erkrath, DE21992–2001