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Inventor

Josef Wilhelm

Inventor
Huenfeld, DE

Overview

2→
Patents
1990–2001
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 purposes29%
A61QSpecific use of cosmetics or similar toiletry preparations29%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
C11DDetergent compositions14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
6,210,659'Aqueous pearlescing concentrates'20014,892,728'Pumpable cationic fatty alcohol despersion'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to HENKEL KGAA (2)· patent assignee history
1990–2001Based in Huenfeld, DE· patent location history
2001Patents assigned to WELLA AG WELLA AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL KGAA21990–2001
WELLA AG WELLA AG12001
Locations
LocationPatentsSpan
Huenfeld, DE21990–2001