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Dietrich Fleischer
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Darmstadt, DE
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Patents Grants
last 30 patents
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
Filter material and method of removing oxides of nitrogen from gase...
Patent number
5,792,437
Issue date
Aug 11, 1998
Hoechst Aktiengesellschaft
Andreas Schleicher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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 polyacetal copolymers
Patent number
5,587,449
Issue date
Dec 24, 1996
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyacetal molding materials having high impact resistance, a proce...
Patent number
5,500,477
Issue date
Mar 19, 1996
Hoechst Aktiengesellschaft
Gerhard Reuschel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Method of blow or extrusion molding polyoxymethylene resin
Patent number
5,458,839
Issue date
Oct 17, 1995
Polyplastics Co., Ltd.
Toshiro Murao
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Polyacetal molding compositions and their use
Patent number
5,416,152
Issue date
May 16, 1995
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyphenylene sulfide-based thermoplastic molding composition of hi...
Patent number
5,401,799
Issue date
Mar 28, 1995
Hoechst Aktiengesellschaft
Klaus Kohlhepp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyoxymethylene copolymer having reduced amo...
Patent number
5,344,911
Issue date
Sep 6, 1994
Polyplastics Co., Ltd.
Kaoru Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic polyoxymethylene molding composition of high toughnes...
Patent number
5,256,733
Issue date
Oct 26, 1993
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Chloropolyethylene, process for the manufacture thereof and its use
Patent number
4,562,224
Issue date
Dec 31, 1985
Hoechst Aktiengesellschaft
Wolfram Busch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic compositions comprising vinyl chloride polymer, CLPE...
Patent number
4,481,333
Issue date
Nov 6, 1984
Hoechst Aktiengesellschaft
Dietrich Fleischer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Highly diverse mixtures, method for the production, and use thereof
Publication number
20040145077
Publication date
Jul 29, 2004
Dietrich Fleischer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL