Karlheinrich Meisel

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Paper production with modified silica gels as microparticles
- Patent number 8,088,830
- Issue date Jan 3, 2012
- Kemira Oyj
- Karlheinrich Meisel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Paper production with modified silica gels as microparticles
- Patent number 7,708,862
- Issue date May 4, 2010
- Kemira Oyj
- Karlheinrich Meisel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the preparation of polymeric condensates and their use
- Patent number 6,989,106
- Issue date Jan 24, 2006
- Bayer Aktiengesellschaft
- Karlheinrich Meisel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Wet-strength agent with low DCP content
- Patent number 6,576,687
- Issue date Jun 10, 2003
- Bayer Aktiengesellschaft
- Karl-Rudolf Gassen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of beta-hydroxyalkypicolinium salts
- Patent number 5,840,902
- Issue date Nov 24, 1998
- Bayer Aktiengesellschaft
- Karlheinrich Meisel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for reducing the toxicity of spent liquors and novel cationi...
- Patent number 5,725,607
- Issue date Mar 10, 1998
- Bayer Aktiengesellschaft
- Henry Giera
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of indoles
- Patent number 5,179,211
- Issue date Jan 12, 1993
- Bayer Aktiengesellschaft
- Heinz U. Blank
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromogenic enamine compounds, their preparation and use as color f...
- Patent number 5,130,442
- Issue date Jul 14, 1992
- Bayer Aktiengesellschaft
- Karlheinrich Meisel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromogenic 4,4-diaryldihydroquinazolones
- Patent number 4,968,797
- Issue date Nov 6, 1990
- Bayer Aktiengesellschaft
- Horst Berneth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromogenic 4,4-diaryldihydroquinazolones
- Patent number 4,754,034
- Issue date Jun 28, 1988
- Bayer Aktiengesellschaft
- Horst Berneth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines
- Patent number 4,727,140
- Issue date Feb 23, 1988
- Bayer Aktiengesellschaft
- Karlheinrich Meisel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cationic enamine dyestuff indolylmethine derivatives
- Patent number 4,600,776
- Issue date Jul 15, 1986
- Bayer Aktiengesellschaft
- Karlheinrich Meisel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
PAPER PRODUCTION WITH MODIFIED SILICA GELS AS MICROPARTICLES
- Publication number 20100108277
- Publication date May 6, 2010
- KEMIRA OYJ
- Karlheinrich Meisel
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Paper Production with Modified Silica Sols as Microparticles
- Publication number 20070272383
- Publication date Nov 29, 2007
- Bayer Chemicals AG
- Karlheinrich Meisel
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Papermaking using modified sheet silicates as microparticles
- Publication number 20060225856
- Publication date Oct 12, 2006
- Karlheinrich Meisel
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of polymeric condensates and their use
- Publication number 20040039152
- Publication date Feb 26, 2004
- Karlheinrich Meisel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Karlheinrich Meisel

Person

Patents Grantslast 30 patents

Paper production with modified silica gels as microparticles

Paper production with modified silica gels as microparticles

Process for the preparation of polymeric condensates and their use

Wet-strength agent with low DCP content

Process for the preparation of beta-hydroxyalkypicolinium salts

Method for reducing the toxicity of spent liquors and novel cationi...

Process for the preparation of indoles

Chromogenic enamine compounds, their preparation and use as color f...

Chromogenic 4,4-diaryldihydroquinazolones

Chromogenic 4,4-diaryldihydroquinazolones

Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines

Cationic enamine dyestuff indolylmethine derivatives

Patents Applicationslast 30 patents

PAPER PRODUCTION WITH MODIFIED SILICA GELS AS MICROPARTICLES

Paper Production with Modified Silica Sols as Microparticles

Papermaking using modified sheet silicates as microparticles

Process for the preparation of polymeric condensates and their use