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Manfred Schreckenberg
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Krefeld, DE
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last 30 patents
Information
Patent Grant
Process for monitoring polycondensation or polyaddition reactions
Patent number
5,578,827
Issue date
Nov 26, 1996
Bayer Aktiengesellschaft
Udo Wolf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the preparation of aqueous, oxidatively drying alkyd re...
Patent number
5,004,779
Issue date
Apr 2, 1991
Bayer Aktiengesellschaft
Harald Blum
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Diphenol monoesters of carboxylic acids and process for their prepa...
Patent number
4,927,903
Issue date
May 22, 1990
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermosetting cyanate resin and the use thereof for the production...
Patent number
4,754,001
Issue date
Jun 28, 1988
Bayer Aktiengesellschaft
Johannes Blahak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyether-copolycarbonates for dialysis membranes
Patent number
4,735,721
Issue date
Apr 5, 1988
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermosetting cyanate resin and the use thereof for the production...
Patent number
4,631,319
Issue date
Dec 23, 1986
Bayer Aktiengesellschaft
Johannes Blahak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyether-copolycarbonates for dialysis membranes
Patent number
4,607,070
Issue date
Aug 19, 1986
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyether-polycarbonates for dialysis membranes
Patent number
4,563,516
Issue date
Jan 7, 1986
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic polycarbonates, their preparation and their use as sh...
Patent number
4,506,066
Issue date
Mar 19, 1985
Bayer Aktiengesellschaft
Harald Medem
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mixtures of polycarbonate elastomers, containing hydrogenated dimer...
Patent number
4,435,544
Issue date
Mar 6, 1984
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-molecular, segmented, thermoplastically processable, aromatic...
Patent number
4,430,492
Issue date
Feb 7, 1984
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cross-linkable polycarbonate elastomers, a process for their prepar...
Patent number
4,333,809
Issue date
Jun 8, 1982
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of carbonic acid aryl esters of polyest...
Patent number
4,297,455
Issue date
Oct 27, 1981
Bayer Aktiengesellschaft
Christian Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of aliphatic-aromatic polycarbonates wi...
Patent number
4,281,101
Issue date
Jul 28, 1981
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polymers with diphenol carbonate end...
Patent number
4,267,303
Issue date
May 12, 1981
Bayer Aktiengesellschaft
Klaus Konig
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate molding compositions with improved resilience properties
Patent number
4,252,922
Issue date
Feb 24, 1981
Bayer Aktiengesellschaft
Siegfried Adelmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of carbonic acid bis-diphenol esters of...
Patent number
4,217,437
Issue date
Aug 12, 1980
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of carbonic acid aryl esters of polyest...
Patent number
4,217,297
Issue date
Aug 12, 1980
Bayer Aktiengesellschaft
Christian Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of carbonic acid bis-diphenol esters of...
Patent number
4,216,298
Issue date
Aug 5, 1980
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-molecular weight, segmented, polycarbonate elastomers
Patent number
4,196,276
Issue date
Apr 1, 1980
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of carbonic acid esters of polyester-po...
Patent number
4,191,705
Issue date
Mar 4, 1980
Bayer Aktiengesellschaft
Christian Lindner
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of new high-molecular segmented polyest...
Patent number
4,169,868
Issue date
Oct 2, 1979
Bayer Aktiengesellschaft
Manfred Schreckenberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...