Inventor

Gerhard Wollmann

Inventor
Hilden, DE

Overview

8→
Patents
1987–2005
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes13%
A23DEdible oils or fats, e.g. margarines, shortenings or cooking oils7%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%
A61KPreparations for medical, dental or toiletry purposes7%
A61QSpecific use of cosmetics or similar toiletry preparations7%
C07JSteroids7%
C11CFatty acids from fats, oils or waxes7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2000Patents assigned to HENKEL KGAA (5)· patent assignee history
1987Based in Duesseldorf, DE· patent location history
1990–2005Based in Hilden, DE· patent location history
2005Patents assigned to COGNIS DEUTSCHLAND GMBH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL KGAA51987–2000
COGNIS DEUTSCHLAND GMBH32005
Locations
LocationPatentsSpan
Hilden, DE71990–2005
Duesseldorf, DE11987