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Inventor

Stefan Kettelhoit

Inventor
Solingen, DE

Overview

3→
Patents
1998–2001
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes60%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations40%
PatentTitleYear
6,294,201'Osmotic medicament releasing system'20016,270,799'Medicament formulation with a controlled release of an active agent'20015,707,655'Process for the preparation of medicament formulations with controlled release'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to BAYER AG (3)· patent assignee history
1998Based in Leverkusen, DE· patent location history
2001Based in Solingen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG31998–2001
Locations
LocationPatentsSpan
Solingen, DE22001
Leverkusen, DE11998