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Inventor

Karlheinz Schrader

Inventor
Holzminden, DE

Overview

4→
Patents
1987–2002
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes43%
A61QSpecific use of cosmetics or similar toiletry preparations43%
C11DDetergent compositions14%
PatentTitleYear
6,419,937'Lipoprotein creams'20025,981,452'Syndet soaps comprising alkyl and/or alkenyl oligoglycosides'19995,561,166'Urea/lactate topical compositions for dry skin'19964,703,041'D-glucuronic acid-urea condensate preparation for smoothing human skin'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to SCHRADER KARLHEINZ (1)· patent assignee history
1987Patents assigned to WEBER GERHARD (1)· patent assignee history
1987–1999Based in Holzminden, DE· patent location history
1996Patents assigned to BEIERSDORF INC (1)· patent assignee history
1999–2002Patents assigned to HENKEL KGAA (2)· patent assignee history
2002Based in Bevern, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL KGAA21999–2002
BEIERSDORF INC11996
SCHRADER KARLHEINZself11987
WEBER GERHARD11987
Locations
LocationPatentsSpan
Holzminden, DE31987–1999
Bevern, DE12002