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Inventor

Stefan Hachmann

Inventor
Norderstedt, DE

Overview

1→
Patents
1998
Patent span
Human necessities
Primary field (CPC A)

Patents· 1 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes25%
A61QSpecific use of cosmetics or similar toiletry preparations25%
B82YSpecific uses or applications of nanostructures25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,725,844'Waterproof cosmetic or dermatological photoprotective preparations'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to BEIERSDORF AG (1)· patent assignee history
1998Based in Norderstedt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BEIERSDORF AG11998
Locations
LocationPatentsSpan
Norderstedt, DE11998