Andrew Hen Liu

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Newark, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-aqueous composition comprising partially fluorinated methacryli...
- Patent number 8,975,348
- Issue date Mar 10, 2015
- E I du Pont de Nemours and Company
- Michael Henry Ober
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Highly repellent carpet protectants
- Patent number 7,592,064
- Issue date Sep 22, 2009
- E. I. Du Pont de Nemours and Company
- Patrick Henry Fitzgerald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Leather treated with fluorochemicals
- Patent number 7,160,480
- Issue date Jan 9, 2007
- E. I. Du Pont de Nemours and Company
- Andrew Hen Liu
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Highly repellent carpet protectants
- Patent number 6,790,905
- Issue date Sep 14, 2004
- E. I. Du Pont de Nemours and Company
- Patrick Henry Fitzgerald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorochemical water and oil repellents
- Patent number 6,479,612
- Issue date Nov 12, 2002
- E. I. Du Pont de Nemours and Company
- Thomas Wayne Del Pesco
- C14 - SKINS HIDES PELTS LEATHER

Patents Applicationslast 30 patents

Information Patent Application
NON-AQUEOUS COMPOSITION COMPRISING PARTIALLY FLUORINATED METHACRYLI...
- Publication number 20110200829
- Publication date Aug 18, 2011
- E.I. du Pont de Nemours and Company
- Michael Henry Ober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Washable leather with repellency
- Publication number 20080196168
- Publication date Aug 21, 2008
- E.I. du Pont de Nemours and Company
- Kai Volker Schubert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Washable leather with repellency
- Publication number 20060188729
- Publication date Aug 24, 2006
- Kai-Volker Schubert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Leather treated with fluorochemicals
- Publication number 20060186368
- Publication date Aug 24, 2006
- Andrew Hen Liu
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Application
Highly repellent carpet protectants
- Publication number 20030157296
- Publication date Aug 21, 2003
- Patrick Henry Fitzgerald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...