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Huerth, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for separating zirconium and hafnium
Patent number
7,635,396
Issue date
Dec 22, 2009
H.C. Starck GmbH
Knud Reuter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High selectivity colloidal silica slurry
Patent number
6,964,600
Issue date
Nov 15, 2005
Praxair Technology, Inc.
Irina Belov
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nanoparticulate, redispersible zinc oxide gels
Patent number
6,710,091
Issue date
Mar 23, 2004
Bayer Aktiengesellschaft
Hermann-Jens Womelsdorf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for manufacturing transition metal carbides and/or transitio...
Patent number
6,197,272
Issue date
Mar 6, 2001
Bayer AG
Hermann-Jens Womelsdorf
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for coating substrates with a silicium-containing layer
Patent number
6,177,136
Issue date
Jan 23, 2001
Bayer AG
Hans-Peter Baldus
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Amorphous fibres containing Si, B and N, a process for the producti...
Patent number
5,985,430
Issue date
Nov 16, 1999
Bayer Aktiengesellschaft
Hans-Peter Baldus
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process of produciing sintered materials based on Si.sub.3 N.sub.4...
Patent number
5,605,871
Issue date
Feb 25, 1997
Bayer AG
Hans-Peter Baldus
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Production of nonoxide monolithic ceramic shaped articles
Patent number
5,294,574
Issue date
Mar 15, 1994
Elf Atochem S.A.
Ralf Riedel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
SI C powder, a process for its production and its use
Patent number
5,039,632
Issue date
Aug 13, 1991
Bayer AG
Ralf Riedel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING ELECTROLYTIC CAPACITORS HAVING A LOW LEAKAGE...
Publication number
20110128676
Publication date
Jun 2, 2011
H.C. Starck GmbH
Hikmet Karabulut
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
PROCESS FOR SEPARATING ZIRCONIUM AND HAFNIUM
Publication number
20070283536
Publication date
Dec 13, 2007
H. C. Starck GmbH & Co., KG
Knud Reuter
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SUPPORT PLATE FOR SPUTTER TARGETS
Publication number
20070205102
Publication date
Sep 6, 2007
H. C. Starck GmbH & Co. KG
Roland Scholl
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for producing thin hafnium or zirconium nitride coatings
Publication number
20070042224
Publication date
Feb 22, 2007
H.C. Starck GmbH
Knud Reuter
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
High selectivity colloidal silica slurry
Publication number
20050113000
Publication date
May 26, 2005
Irina Belov
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method of polishing metal and metal/dielectric structures
Publication number
20050026205
Publication date
Feb 3, 2005
Lothar Puppe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Composition for the chemical mechanical polishing of metal and meta...
Publication number
20030157804
Publication date
Aug 21, 2003
Lothar Puppe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Composition for the chemical-mechanical polishing of metal and meta...
Publication number
20030098446
Publication date
May 29, 2003
Lothar Puppe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Anionically stabilized aqueous dispersions of nanoparticle zinc oxi...
Publication number
20020149002
Publication date
Oct 17, 2002
Hermann Jens Womelsdorf
B82 - NANO-TECHNOLOGY
Information
Patent Application
Polishing slurry for the chemical-mechanical polishing of metal and...
Publication number
20020106900
Publication date
Aug 8, 2002
Kristina Vogt
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...