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Andrea Fenchl
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Wasserburg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Fluid loss control additive and cement compositions comprising same
Patent number
7,399,355
Issue date
Jul 15, 2008
Halliburton Energy Services, Inc.
Michael J. Szymanski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-soluble copolymers based on olefinic sulfonic acids, method f...
Patent number
7,202,319
Issue date
Apr 10, 2007
BASF Construction Polymers GmbH
Christian Spindler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymeric, acrylamide-free water retention agent
Patent number
6,608,159
Issue date
Aug 19, 2003
SKW Polymers GmbH
Andrea Fenchl
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Terpolymers based on sulfobetaines, processes for their preparation...
Patent number
6,346,588
Issue date
Feb 12, 2002
SKW Polymers GmbH
Andrea Fenchl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
MIXTURE COMPOSITION CONTAINING COPOLYMERS BASED ON UNSATURATED CARB...
Publication number
20110218289
Publication date
Sep 8, 2011
Markus Maier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Copolymer based on olefinic sulphonic acids
Publication number
20100062952
Publication date
Mar 11, 2010
Andrea Fenchl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluid Loss Control Additive and Cement Compositions Comprising Same
Publication number
20080227667
Publication date
Sep 18, 2008
Halliburton Energy Services, Inc.
Michael J. Szymanski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of thickening salt-containing media by adding methacrylate d...
Publication number
20080004188
Publication date
Jan 3, 2008
Jurgen Heidlas
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Mixture Composition Containing Unsaturated Carboxylic Acid and Alke...
Publication number
20070287817
Publication date
Dec 13, 2007
Markus Maier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COPOLYMER BASED ON OLEFINIC SULPHONIC ACIDS
Publication number
20070100102
Publication date
May 3, 2007
Andrea Fenchl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluid loss control additive and cement compositions comprising same
Publication number
20060189487
Publication date
Aug 24, 2006
Halliburton Energy Services, Inc.
Michael J. Szymanski
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-soluble copolymers based on olefinic sulfonic acids, method f...
Publication number
20050143543
Publication date
Jun 30, 2005
Christian Spindler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymeric, acrylamide-free water retention agent
Publication number
20030069375
Publication date
Apr 10, 2003
Andrea Fenchl
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...