Inventor

Hans Andree

Inventor
Leichlingen, DE

Overview

15→
Patents
1976–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C11Dprimary
C11DDetergent compositions46%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
A01NPreservation of bodies of humans or animals or plants or parts thereof7%
C07DHeterocyclic compounds7%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials7%
A61KPreparations for medical, dental or toiletry purposes4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
C02FTreatment of water, waste water, sewage, or sludge4%
C07CAcyclic or carbocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to HENKEL & CIE GMBH (2)· patent assignee history
1976Based in Dusseldorf-Itter, DT· patent location history
1979–1990Patents assigned to HENKEL KGAA (13)· patent assignee history
1979–1990Based in Leichlingen, DE· patent location history
1979–1981Based in Hilden, DE· patent location history
1983Patents assigned to BAYER AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL KGAA131979–1990
HENKEL & CIE GMBH21976
BAYER AG11983
Locations
LocationPatentsSpan
Leichlingen, DE101979–1990
Hilden, DE31979–1981
Dusseldorf-Itter, DT21976