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Hans-Peter Schmitz
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Bruhl, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Modified polyethylenephosphinic acids and their salts
Patent number
7,348,396
Issue date
Mar 25, 2008
Clariant Produkte (Deutschland) GmbH
Martin Sicken
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified polyethylenephosphinic acids and their salts
Patent number
7,129,320
Issue date
Oct 31, 2006
Clariant GmbH
Martin Sicken
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing alkylphosphonite esters
Patent number
6,770,779
Issue date
Aug 3, 2004
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric phosphinic acids and salts thereof
Patent number
6,727,335
Issue date
Apr 27, 2004
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flame-retardant unsaturated polyester resins
Patent number
6,639,017
Issue date
Oct 28, 2003
Clariant GmbH
Sebastian Hörold
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing ethanebis(methylphosphinic) acid
Patent number
6,600,068
Issue date
Jul 29, 2003
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing ethylenediphosphonic acids
Patent number
6,600,067
Issue date
Jul 29, 2003
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing ethanebis(alkylphosphinic) acids
Patent number
6,583,315
Issue date
Jun 24, 2003
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric phosphinic acids and salts thereof
Patent number
6,569,974
Issue date
May 27, 2003
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing salts of dialkylphosphinic acids
Patent number
6,534,673
Issue date
Mar 18, 2003
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing alkylphosphonic acids
Patent number
6,420,598
Issue date
Jul 16, 2002
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing phosphinic acids
Patent number
6,388,125
Issue date
May 14, 2002
Clariant GmbH
Hans-Peter Schmitz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing dialkylphosphinic acids and their salts
Patent number
6,359,171
Issue date
Mar 19, 2002
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processing for preparing salts of dialkylphosphinic acids
Patent number
6,355,832
Issue date
Mar 12, 2002
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing dialkylphosphinic acids
Patent number
6,329,544
Issue date
Dec 11, 2001
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing dialkylphosphinic acids
Patent number
6,300,516
Issue date
Oct 9, 2001
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing salts of dialkylphosphinic acids
Patent number
6,248,921
Issue date
Jun 19, 2001
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing arylalphosphinic acids
Patent number
6,242,642
Issue date
Jun 5, 2001
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing metal salts of arylalkylphosphinic acids
Patent number
6,232,493
Issue date
May 15, 2001
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing dialkylphosphinate salts
Patent number
5,973,194
Issue date
Oct 26, 1999
Clariant GmbH
Norbert Weferling
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing phosphorus-modified epoxy resins
Patent number
5,854,361
Issue date
Dec 29, 1998
Hoechst Aktiengesellschaft
Sebastian Horold
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phosphorus-modified epoxy resins comprising epoxy resins and phosph...
Patent number
5,830,973
Issue date
Nov 3, 1998
Hoechst Aktiengesellschaft
Sebastian Horold
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Modified polyethylenephosphinic acids and their salts
Publication number
20070027297
Publication date
Feb 1, 2007
CLARIANT FINANCE (BVI) LIMITED
Martin Sicken
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Modified polyethylenephosphinic acids and their salts
Publication number
20040176580
Publication date
Sep 9, 2004
Clariant GmbH
Martin Sicken
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymeric phosphinic acids and salts thereof
Publication number
20030216533
Publication date
Nov 20, 2003
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING ETHANEBIS(ALKYLPHOSPHINIC) ACIDS
Publication number
20030073865
Publication date
Apr 17, 2003
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing ethylenediphosphonic acids
Publication number
20020082447
Publication date
Jun 27, 2002
Clariant GmbH
Martin Sicken
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing ethanebis(methylphosphinic) acid
Publication number
20020079480
Publication date
Jun 27, 2002
Martin Sicken
C07 - ORGANIC CHEMISTRY