Gerhard Pfahler

Person

Eichenau, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Polyolefin molding compound for producing calendered films/sheets
- Patent number 6,992,124
- Issue date Jan 31, 2006
- Clariant GmbH
- Christian Wick
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Storage-stable plastics additives
- Patent number 6,491,853
- Issue date Dec 10, 2002
- Clariant GmbH
- Karl Gaa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compounds based on polyalkyl-1-oxadiazaspirodecane compounds
- Patent number 6,420,461
- Issue date Jul 16, 2002
- Clariant GmbH
- Thomas Stährfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oligomeric stabilizer mixture
- Patent number 6,225,385
- Issue date May 1, 2001
- Clariant GmbH
- Thomas Stährfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synergistic stabilizer mixture based on polyalkyl-1-oxa-diazaspirod...
- Patent number 6,174,940
- Issue date Jan 16, 2001
- Clariant GmbH
- Thomas Stahrfeldt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of hyrolysis-stable trivalent phosphoru...
- Patent number 6,013,706
- Issue date Jan 11, 2000
- Clariant GmbH
- Hans-Jerg Kleiner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light stabilizers based on sterically hindered amines
- Patent number 5,919,933
- Issue date Jul 6, 1999
- Clariant GmbH
- Karl Gaa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Additive mixture having a nucleating action for plastics compositions
- Patent number 5,856,385
- Issue date Jan 5, 1999
- Hoechst Aktiengesellschaft
- Mathias Mehrer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Plastic with reduced sulfur uptake rate
- Patent number 5,852,159
- Issue date Dec 22, 1998
- Hoechst Aktiengesellschaft
- Matthias Zah
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing the crystal modification of 2,2',2"-nitrilo�...
- Patent number 5,811,567
- Issue date Sep 22, 1998
- Hans-Jerg Kleiner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyvinyl butyrals having improved thermal stability and light resi...
- Patent number 5,384,346
- Issue date Jan 24, 1995
- Hoechst AG
- Matthas Gutweiler
- B32 - LAYERED PRODUCTS
Information Patent Grant
Light-stable polyphenylene ether molding composition with an antist...
- Patent number 5,382,613
- Issue date Jan 17, 1995
- Hoechst AG
- Klaus-Dieter Bergner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
6-aryl-6H-dibenzo[c,e][1,2]oxaphosphorine stabilizers for plastics
- Patent number 5,356,967
- Issue date Oct 18, 1994
- Hoechst Aktiengesellschaft
- Manfred Bohshar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for reducing the discoloration of a plastic molding composi...
- Patent number 5,331,034
- Issue date Jul 19, 1994
- Hoechst Aktiengesellschaft
- Gerhard Pfahler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aryl phosphonites, a process for their production and their use for...
- Patent number 5,298,541
- Issue date Mar 29, 1994
- Hoechst Aktiengesellschaft
- Manfred Bohshar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diarylphosphinous acid aryl esters, a process for their preparation...
- Patent number 5,281,640
- Issue date Jan 25, 1994
- Hoechst Aktiengesellschaft
- Dieter Regnat
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric polyalkyl-1-oxa-diazaspirodecanes
- Patent number 5,169,925
- Issue date Dec 8, 1992
- Hoechst Aktiengesellschaft
- Georg Schmailzl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of organophosphorus derivatives of 2,4-...
- Patent number 5,109,043
- Issue date Apr 28, 1992
- Hoechst Aktiengesellschaft
- Manfred Bohshar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation a bis(3,3-bis(4-hydroxyalkylphenyl)buta...
- Patent number 5,107,043
- Issue date Apr 21, 1992
- Hoechst Aktiengesellschaft
- Georg Schmailzl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polytriazinylamines, process for their preparation
- Patent number 4,504,661
- Issue date Mar 12, 1985
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polytriazinyl alcohols, esters and urethanes, a process for their p...
- Patent number 4,496,726
- Issue date Jan 29, 1985
- Hartmut Wiezer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High-molecular esters and urethanes containing piperidine groups, a...
- Patent number 4,476,302
- Issue date Oct 9, 1984
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly-bis-triazinylimides, their preparation
- Patent number 4,471,417
- Issue date Sep 11, 1984
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Triazine stabilizers
- Patent number 4,433,145
- Issue date Feb 21, 1984
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Poly-bis-triazinylaminotriazinylamines, their preparation and their...
- Patent number 4,409,348
- Issue date Oct 11, 1983
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substituted diazaspirodecanes, their preparation and their use as s...
- Patent number 4,405,735
- Issue date Sep 20, 1983
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triazylaminotriazines, their preparation and their use for stabiliz...
- Patent number 4,376,836
- Issue date Mar 15, 1983
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethers based on polyalkyl-1-oxadiazaspirodecanes
- Patent number 4,340,534
- Issue date Jul 20, 1982
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triazine derivatives
- Patent number 4,335,242
- Issue date Jun 15, 1982
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkylated diaza-spirodecanes
- Patent number 4,319,030
- Issue date Mar 9, 1982
- Hoechst Aktiengesellschaft
- Hartmut Wiezer
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYOLEFIN MOLDING COMPOUND FOR PRODUCING CALENDERED FILMS/SHEETS
- Publication number 20020006992
- Publication date Jan 17, 2002
- CHRISTIAN WICK
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Gerhard Pfahler

Person

Patents Grantslast 30 patents

Polyolefin molding compound for producing calendered films/sheets

Storage-stable plastics additives

Compounds based on polyalkyl-1-oxadiazaspirodecane compounds

Oligomeric stabilizer mixture

Synergistic stabilizer mixture based on polyalkyl-1-oxa-diazaspirod...

Process for the preparation of hyrolysis-stable trivalent phosphoru...

Light stabilizers based on sterically hindered amines

Additive mixture having a nucleating action for plastics compositions

Plastic with reduced sulfur uptake rate

Process for preparing the crystal modification of 2,2',2"-nitrilo�...

Polyvinyl butyrals having improved thermal stability and light resi...

Light-stable polyphenylene ether molding composition with an antist...

6-aryl-6H-dibenzo[c,e][1,2]oxaphosphorine stabilizers for plastics

Process for reducing the discoloration of a plastic molding composi...

Aryl phosphonites, a process for their production and their use for...

Diarylphosphinous acid aryl esters, a process for their preparation...

Polymeric polyalkyl-1-oxa-diazaspirodecanes

Process for the preparation of organophosphorus derivatives of 2,4-...

Process for the preparation a bis(3,3-bis(4-hydroxyalkylphenyl)buta...

Polytriazinylamines, process for their preparation

Polytriazinyl alcohols, esters and urethanes, a process for their p...

High-molecular esters and urethanes containing piperidine groups, a...

Poly-bis-triazinylimides, their preparation

Triazine stabilizers

Poly-bis-triazinylaminotriazinylamines, their preparation and their...

Substituted diazaspirodecanes, their preparation and their use as s...

Triazylaminotriazines, their preparation and their use for stabiliz...

Ethers based on polyalkyl-1-oxadiazaspirodecanes

Triazine derivatives

Alkylated diaza-spirodecanes

Patents Applicationslast 30 patents

POLYOLEFIN MOLDING COMPOUND FOR PRODUCING CALENDERED FILMS/SHEETS