Gunter Pietsch

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3004 Isernhagen 2/HB, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for encapsulating dissolved reactants of color-reaction sys...
- Patent number 7,169,335
- Issue date Jan 30, 2007
- Papierfabrik August Koehler AG
- Günter Pietsch
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Aminoplast microencapsulation system
- Patent number 5,089,339
- Issue date Feb 18, 1992
- Gunter Pietsch
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Microcapsules and microcapsule production process
- Patent number 5,011,634
- Issue date Apr 30, 1991
- Papierfabrik August Koehler AG
- Gunter Pietsch
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for microencapsulating hydrophobic oils, the microcapsules...
- Patent number 4,965,025
- Issue date Oct 23, 1990
- Papierfabrik August Koehler AG
- Gunter Pietsch
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Microcapsules containing oils and soluble color reaction components...
- Patent number 4,824,823
- Issue date Apr 25, 1989
- Papierfabrik August Koehler AG
- Gunter Pietsch
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Method for Producing a Thermal Paper
- Publication number 20080038475
- Publication date Feb 14, 2008
- Michael Boschert
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Process for encapsulating dissolved reactants of color-reaction sys...
- Publication number 20070014918
- Publication date Jan 18, 2007
- Papierfabrik August Koehler AG
- Gunter Pietsch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for encapsulating dissolved reactants of color-reaction sys...
- Publication number 20050191488
- Publication date Sep 1, 2005
- Papierfabrik August Koehler AG
- Gunter Pietsch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL