Klaus Kircher

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Radiation-resistant polycarbonates
- Patent number 5,612,398
- Issue date Mar 18, 1997
- Bayer AG
- Gerhard Fennhoff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation-resistant polycarbonates
- Patent number 5,464,893
- Issue date Nov 7, 1995
- Bayer Aktiengesellschaft
- Rick L. Archey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycondensates which can be sterilized by .gamma.-radiation
- Patent number 5,382,605
- Issue date Jan 17, 1995
- Miles Inc.
- Douglas G. Powell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat stabilization or aromatic polycarbonates
- Patent number 5,376,715
- Issue date Dec 27, 1994
- Bayer Aktiengesellschaft
- Gerhard Fennhoff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Flame-resistant polycarbonate molding compositions
- Patent number 5,356,965
- Issue date Oct 18, 1994
- Bayer Aktiengesellschaft
- Richard Weider
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for foaming thermoplastic polycarbonates
- Patent number 5,308,558
- Issue date May 3, 1994
- Bayer Aktiengesellschaft
- Edwin Woldenberg
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ternary mixtures
- Patent number 5,234,982
- Issue date Aug 10, 1993
- Bayer Aktiengesellschaft
- Klaus Kircher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ternary mixtures
- Patent number 5,202,374
- Issue date Apr 13, 1993
- Bayer Aktiengesellschaft
- Klaus Horn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate foam articles
- Patent number 5,158,985
- Issue date Oct 27, 1992
- Bayer Aktiengesellschaft
- Burkhard Kohler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate foams
- Patent number 5,132,331
- Issue date Jul 21, 1992
- Bayer Aktiengesellschaft
- Burkhart Kohler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mold releasel agents for poly(ester) carbonates
- Patent number 5,036,151
- Issue date Jul 30, 1991
- Bayer Aktiengesellschaft
- Holger Ohst
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the production of carboxylic acid esters
- Patent number 5,004,569
- Issue date Apr 2, 1991
- Bayer Aktiengesellschaft
- Helmut-Martin Meier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of 3-benzalphthalides as UV stabilizers for thermoplastic, arom...
- Patent number 4,797,435
- Issue date Jan 10, 1989
- Bayer Aktiengesellschaft
- Thomas Scholl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flameproofing agents, their preparation and their use for providing...
- Patent number 4,776,981
- Issue date Oct 11, 1988
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Perfluoroalkanesulphonic acid aryl esters as anti-drip agents in fl...
- Patent number 4,774,273
- Issue date Sep 27, 1988
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame retardant polycarbonate compositions
- Patent number 4,753,994
- Issue date Jun 28, 1988
- Mobay Corporation
- Russell P. Carter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the foaming of thermoplastics containing ester and/or c...
- Patent number 4,728,673
- Issue date Mar 1, 1988
- Bayer Aktiengesellschaft
- Heinz Hammer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flameproofing agents, their preparation and their use for providing...
- Patent number 4,713,462
- Issue date Dec 15, 1987
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Flameproofing agents, their preparation and their use for providing...
- Patent number 4,661,543
- Issue date Apr 28, 1987
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Flameproofing agents, their preparation and their use for flameproo...
- Patent number 4,657,955
- Issue date Apr 14, 1987
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of flame-resistant polycarbonate mouldi...
- Patent number 4,649,168
- Issue date Mar 10, 1987
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of shaped articles of stabilized polyca...
- Patent number 4,627,949
- Issue date Dec 9, 1986
- Bayer Aktiengesellschaft
- Rolf Dhein
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Flameproofing agents, their preparation and their use for flameproo...
- Patent number 4,615,832
- Issue date Oct 7, 1986
- Bayer Aktiengesellschaft
- Hans-Jurgen Kress
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-(imide-sulfonate) flameproofing agents, their preparation and t...
- Patent number 4,594,375
- Issue date Jun 10, 1986
- Bayer Aktiengesellschaft
- Sivaram Krishnan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for foaming thermoplastic aromatic polycarbonates
- Patent number 4,567,210
- Issue date Jan 28, 1986
- Bayer Aktiengesellschaft
- Heinz Hammer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonate molding compositions having improved flame retardance
- Patent number 4,552,911
- Issue date Nov 12, 1985
- Bayer Aktiengesellschaft
- Wolfgang Cohnen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Arylsulphonyl hydrazones as blowing agents
- Patent number 4,521,542
- Issue date Jun 4, 1985
- Bayer Aktiengesellschaft
- Ernst Roos
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilizer compositions, their use for stabilizing thermoplastic, p...
- Patent number 4,456,717
- Issue date Jun 26, 1984
- Bayer Aktiengesellschaft
- Erich Eimers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Klaus Kircher

Person

Patents Grantslast 30 patents

Radiation-resistant polycarbonates

Radiation-resistant polycarbonates

Polycondensates which can be sterilized by .gamma.-radiation

Heat stabilization or aromatic polycarbonates

Flame-resistant polycarbonate molding compositions

Process for foaming thermoplastic polycarbonates

Ternary mixtures

Ternary mixtures

Polycarbonate foam articles

Polycarbonate foams

Mold releasel agents for poly(ester) carbonates

Process for the production of carboxylic acid esters

Use of 3-benzalphthalides as UV stabilizers for thermoplastic, arom...

Flameproofing agents, their preparation and their use for providing...

Perfluoroalkanesulphonic acid aryl esters as anti-drip agents in fl...

Flame retardant polycarbonate compositions

Process for the foaming of thermoplastics containing ester and/or c...

Flameproofing agents, their preparation and their use for providing...

Flameproofing agents, their preparation and their use for providing...

Flameproofing agents, their preparation and their use for flameproo...

Process for the preparation of flame-resistant polycarbonate mouldi...

Process for the preparation of shaped articles of stabilized polyca...

Flameproofing agents, their preparation and their use for flameproo...

Bis-(imide-sulfonate) flameproofing agents, their preparation and t...

Process for foaming thermoplastic aromatic polycarbonates

Polycarbonate molding compositions having improved flame retardance

Arylsulphonyl hydrazones as blowing agents

Stabilizer compositions, their use for stabilizing thermoplastic, p...