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Heinz Strutz
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Frankfurt, DE
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last 30 patents
Information
Patent Grant
Process for preparing ester plasticizers
Patent number
6,423,856
Issue date
Jul 23, 2002
Celanese Chemicals Europe GmbH
Helmut Springer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxidized polyarylene sulfides
Patent number
6,020,442
Issue date
Feb 1, 2000
Ticona GmbH
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Oxidation of polyarylene sulfides
Patent number
5,712,350
Issue date
Jan 27, 1998
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing 2-(p-fluorophenyl)-2 methyl-propionic acid an...
Patent number
5,675,034
Issue date
Oct 7, 1997
Hoechst Aktiengesellschaft
Matthias Beller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ter material and process for removing ozone from gases and liquids
Patent number
5,593,594
Issue date
Jan 14, 1997
Hoechst Aktiengesellschaft
Heinz Strutz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polycarboxylic acids and derivatives...
Patent number
5,591,893
Issue date
Jan 7, 1997
Hoechst AG.
J urgen Kulpe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for releasing acidic organic compounds from salts thereof b...
Patent number
5,543,564
Issue date
Aug 6, 1996
Hoechst Aktiengesellschaft
J urgen Kulpe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Halogenated cinnamic acids and esters thereof, processes for the pr...
Patent number
5,516,932
Issue date
May 14, 1996
Hoechst Aktiengesellschaft
Matthias Beller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of 2-(dialkoxymethyl)-carboxylic acid esters
Patent number
5,510,512
Issue date
Apr 23, 1996
Hoechst Aktiengesellschaft
Heinz Strutz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-stage oxidation of polyarylene sulfides
Patent number
5,496,917
Issue date
Mar 5, 1996
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for oxidizing polyarylene compounds containing thioether gr...
Patent number
5,496,916
Issue date
Mar 5, 1996
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing vinyl-substituted aromatic compounds from ary...
Patent number
5,475,176
Issue date
Dec 12, 1995
Hoechst Aktiengesellschaft
Matthias Beller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Filter material and process for removing ozone from gases and liquids
Patent number
5,423,902
Issue date
Jun 13, 1995
Hoechst Aktiengesellschaft
Heinz Strutz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for selective preparation of hydroxybenzaldehydes
Patent number
5,395,978
Issue date
Mar 7, 1995
Hoechst Aktiengesellschaft
Laurent Weisse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aromatic polyhydroxy compounds
Patent number
5,364,983
Issue date
Nov 15, 1994
Hoechst Aktiengesellschaft
Laurent Weisse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing aromatic olefins
Patent number
5,360,924
Issue date
Nov 1, 1994
Hoechst Aktiengesellschaft
Matthias Beller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of substituted indanones
Patent number
5,360,936
Issue date
Nov 1, 1994
Hoechst Aktiengesellschaft
Laurent Weisse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorine-substituted epoxides and a method for their preparation
Patent number
5,331,084
Issue date
Jul 19, 1994
Hoechst Aktiengesellschaft
Jurgen Kulpe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of substituted indanones, and their use
Patent number
5,329,050
Issue date
Jul 12, 1994
Hoechst Aktiengesellschaft
Laurent Weisse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of substituted indanones
Patent number
5,329,049
Issue date
Jul 12, 1994
Hoechst Aktiengesellschaft
Laurent Weisse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flourine-substituted vicinal and method for their preparation, and...
Patent number
5,292,971
Issue date
Mar 8, 1994
Hoechst Aktiengesellschaft
Jurgen Kulpe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 4-(2'-methoxyethyl)phenol
Patent number
5,107,034
Issue date
Apr 21, 1992
Hoechst Celanese Corporation
Brad L. Smith
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the continuous oligomerization of hexafluoropropene oxide
Patent number
5,087,748
Issue date
Feb 11, 1992
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of 4-hydroxyphenethyl alcohol
Patent number
5,003,115
Issue date
Mar 26, 1991
Hoechst Celanese Corporation
Heinz Strutz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of 1, 1, 1-tris(4'-hydroxyphenyl)ethane
Patent number
4,992,598
Issue date
Feb 12, 1991
Hoechst Celanese Corporation
Heinz Strutz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of fluorinated carboxylic acid fluorides
Patent number
4,985,594
Issue date
Jan 15, 1991
Hoechst Aktiengesellschaft
Peter Blickle
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the oligomerization of hexafluoropropene oxide
Patent number
4,973,748
Issue date
Nov 27, 1990
Hoechst Aktiengesellschaft
Heinz Strutz
C07 - ORGANIC CHEMISTRY