Membership
Tour
Register
Log in
EFKA - CHEMICALS B.V., A CORP. OF THE NETHERLANDS
Follow
Organization
HILLEGOM, NL
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Dispersing agent
Patent number
5,882,393
Issue date
Mar 16, 1999
EFKA-Chemicals B.V.
Peter Hermann Quednau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dispersant
Patent number
5,688,858
Issue date
Nov 18, 1997
EFKA-Chemicals B.V.
Peter Hermann Quednau
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dispersing agents, their use and solids coated therewith
Patent number
5,425,900
Issue date
Jun 20, 1995
EFKA-Chemicals B.V.
Peter H. Quednau
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dispersing agents, their use and solids coated therewith
Patent number
5,399,294
Issue date
Mar 21, 1995
EFKA-Chemicals B.V.
P. H. Quednau
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74319597 - EFKA
Serial number
74319597
Registration number
2057646
Filing date
Sep 30, 1992
Efka Chemicals B.V.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry