Michael PREIN

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
High molecular weight, random, bisphenol based copoly(phosphonate c...
- Patent number 8,648,163
- Issue date Feb 11, 2014
- FRX Polymers, Inc.
- Dieter Freitag
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Regeneration of acidic ion exchangers
- Patent number 8,410,184
- Issue date Apr 2, 2013
- Bayer MaterialScience AG
- Michael Prein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High molecular weight, random, bisphenol based copoly(phosphonate c...
- Patent number 8,389,664
- Issue date Mar 5, 2013
- FRX Polymers, Inc.
- Dieter Freitag
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polycarbonates with good wettability
- Patent number 7,799,889
- Issue date Sep 21, 2010
- Bayer MaterialScience AG
- Alexander Meyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crystallization processes for producing bisphenols
- Patent number 7,763,757
- Issue date Jul 27, 2010
- Bayer Material Science AG
- Christian Münnich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light-scattering shaped articles of high light transmission and the...
- Patent number 7,582,720
- Issue date Sep 1, 2009
- Bayer Material Science AG
- Claus Rüdiger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the separation of phenol from phenol-containing streams...
- Patent number 7,301,056
- Issue date Nov 27, 2007
- Bayer MaterialScience AG
- Michael Prein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing polycarbonates
- Patent number 6,887,970
- Issue date May 3, 2005
- Bayer Aktiengesellschaft
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing a liquid formulation of tetraphenylphosphonium...
- Patent number 6,291,630
- Issue date Sep 18, 2001
- Bayer Aktiengesellschaft
- Annett König
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
HIGH MOLECULAR WEIGHT, RANDOM, BISPHENOL BASED COPOLY(PHOSPHONATE C...
- Publication number 20130158147
- Publication date Jun 20, 2013
- Bayer Material Science AG
- Dieter FREITAG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
HIGH MOLECULAR WEIGHT, RANDOM, BISPHENOL BASED COPOLY(PHOSPHONATE C...
- Publication number 20120068115
- Publication date Mar 22, 2012
- Bayer Material Science AG
- Dieter FREITAG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATES HAVING IMPROVED TRANSMISSION
- Publication number 20110112240
- Publication date May 12, 2011
- Bayer MaterialScience AG
- Berit Krauter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
REGENERATION OF ACIDIC ION EXCHANGERS
- Publication number 20100305365
- Publication date Dec 2, 2010
- Bayer MaterialScience AG
- Michael Prein
- C07 - ORGANIC CHEMISTRY
Information Patent Application
POLYOL-CONTAINING, FLAME-RESISTANT POLYCARBONATES, PROCESSES FOR PR...
- Publication number 20090137709
- Publication date May 28, 2009
- Bayer MaterialScience AG
- Berit Krauter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CRYSTALLIZATION PROCESSES FOR PRODUCING BISPHENOLS
- Publication number 20080200734
- Publication date Aug 21, 2008
- Bayer Material Science AG
- Christian Munnich
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Light-scattering shaped articles of high light transmission and the...
- Publication number 20060198999
- Publication date Sep 7, 2006
- Claus Rudiger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polycarbonates with good wettability
- Publication number 20060135735
- Publication date Jun 22, 2006
- Bayer MaterialScience AG
- Alexander Meyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Substrate materials for transparent injection-molded parts
- Publication number 20060132912
- Publication date Jun 22, 2006
- Bayer Material Science AG
- Wilfried Haese
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Substrate materials for transparent injection-molded parts
- Publication number 20060134366
- Publication date Jun 22, 2006
- Bayer MaterialScience AG
- Wilfried Haese
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the separation of phenol from phenol-containing streams...
- Publication number 20060004234
- Publication date Jan 5, 2006
- Bayer MaterialScience AG
- Michael Prein
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing polycarbonates
- Publication number 20040143088
- Publication date Jul 22, 2004
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Michael PREIN

Person

Patents Grantslast 30 patents

High molecular weight, random, bisphenol based copoly(phosphonate c...

Regeneration of acidic ion exchangers

High molecular weight, random, bisphenol based copoly(phosphonate c...

Polycarbonates with good wettability

Crystallization processes for producing bisphenols

Light-scattering shaped articles of high light transmission and the...

Process for the separation of phenol from phenol-containing streams...

Method for producing polycarbonates

Method for producing a liquid formulation of tetraphenylphosphonium...

Patents Applicationslast 30 patents

HIGH MOLECULAR WEIGHT, RANDOM, BISPHENOL BASED COPOLY(PHOSPHONATE C...

HIGH MOLECULAR WEIGHT, RANDOM, BISPHENOL BASED COPOLY(PHOSPHONATE C...

POLYCARBONATES HAVING IMPROVED TRANSMISSION

REGENERATION OF ACIDIC ION EXCHANGERS

POLYOL-CONTAINING, FLAME-RESISTANT POLYCARBONATES, PROCESSES FOR PR...

CRYSTALLIZATION PROCESSES FOR PRODUCING BISPHENOLS

Light-scattering shaped articles of high light transmission and the...

Polycarbonates with good wettability

Substrate materials for transparent injection-molded parts

Substrate materials for transparent injection-molded parts

Process for the separation of phenol from phenol-containing streams...

Method for producing polycarbonates