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Karl Ostertag
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Erlenbach, DE
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last 30 patents
Information
Patent Grant
Method and device for manufacturing molded bodies
Patent number
5,254,303
Issue date
Oct 19, 1993
Akzo N.V.
Karl Ostertag
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for transporting metal ions by means of microporous membranes
Patent number
4,822,491
Issue date
Apr 18, 1989
Akzo N.V.
Karl Ostertag
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for transferring metal ions using microporous membranes
Patent number
4,820,343
Issue date
Apr 11, 1989
Akzo N.V.
Karl Ostertag
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of separation of liquid mixture of solution by porous separa...
Patent number
4,778,569
Issue date
Oct 18, 1988
Akzo nv
Karl Ostertag
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Underground irrigation or watering of soil
Patent number
4,740,104
Issue date
Apr 26, 1988
Akzo N V
Helmut Stohr
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Process and apparatus for reduction of alcohol by dialysis in ferme...
Patent number
4,581,236
Issue date
Apr 8, 1986
Akzo nv
Werner Bandel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for the production of a continuous composite material
Patent number
4,488,929
Issue date
Dec 18, 1984
Akzona Incorporated
Karl Ostertag
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Apparatus for transferring heat by means of hollow filaments, and i...
Patent number
4,484,624
Issue date
Nov 27, 1984
Akzo nv
Jan Vleggaar
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hollow filament module and method and apparatus for production of t...
Patent number
4,440,641
Issue date
Apr 3, 1984
Akzo nv
Karl Ostertag
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Gear wheel pump with reduced power requirement
Patent number
4,343,602
Issue date
Aug 10, 1982
Akzo, N.V.
Volker Meywald
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Thin walled tubing formed of a melt spinnable synthetic polymer and...
Patent number
4,305,983
Issue date
Dec 15, 1981
Akzo nv
Hans J. Hoppe
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Textile rollers
Patent number
4,305,626
Issue date
Dec 15, 1981
Akzona Incorporated
Norbert Schulz
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Mat material and method for making it
Patent number
4,289,718
Issue date
Sep 15, 1981
Akzona Incorporated
Balf Vollbrecht
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Process for the manufacture of monofilaments
Patent number
4,285,898
Issue date
Aug 25, 1981
Akzona Incorporated
Hans-Joachim Hoppe
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Mat material of melt-spun polymeric filaments having discontinuous...
Patent number
4,212,915
Issue date
Jul 15, 1980
Akzona Incorporated
Rolf Vollbrecht
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS