Charles P. Klass

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Radnor, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for coating paper, paperboard, and molded fiber with a wate...
- Patent number 7,435,483
- Issue date Oct 14, 2008
- Advanced Plastics Technologies Luxembourg S.A.
- Robert A. Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High performance purified natural zeolite pigment for papermaking a...
- Patent number 6,679,973
- Issue date Jan 20, 2004
- ZO Resources, LLC
- Charles P. Klass
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High performance purified natural zeolite pigment for papermaking a...
- Patent number 6,616,748
- Issue date Sep 9, 2003
- ZO Resources, LLC
- Charles P. Klass
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
High performance natural zeolite microparticle retention aid for pa...
- Publication number 20050269050
- Publication date Dec 8, 2005
- Charles P. Klass
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for coating paper, paperboard, and molder fiber with a wate...
- Publication number 20040131871
- Publication date Jul 8, 2004
- Robert A. Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Laminates and coated materials comprising hydroxy-phenoxyether poly...
- Publication number 20030220036
- Publication date Nov 27, 2003
- Robert A. Lee
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
High performance purified natural zeolite pigment for papermaking a...
- Publication number 20030205346
- Publication date Nov 6, 2003
- Charles P. Klass
- C01 - INORGANIC CHEMISTRY
Information Patent Application
High performance purified natural zeolite pigment for papermaking a...
- Publication number 20030051637
- Publication date Mar 20, 2003
- Charles P. Klass
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Hydroxy-phenoxyether polymers in papermaking
- Publication number 20020100566
- Publication date Aug 1, 2002
- Robert A. Lee
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE