Zhiquan Yan

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hermetically sealed paperboard container with enhanced barrier perf...
- Patent number 8,448,844
- Issue date May 28, 2013
- MeadWestvaco Corporation
- Zhiquan Yan
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Hermetically sealed paperboard container with enhanced barrier perf...
- Patent number 8,113,416
- Issue date Feb 14, 2012
- MeadWestvaco Corporation
- Zhiquan Yan
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Hermetically Sealed Paperboard Container
- Publication number 20120298733
- Publication date Nov 29, 2012
- Qihua Xu
- B32 - LAYERED PRODUCTS
Information Patent Application
Hermetically Sealed Paperboard Container with Enhanced Barrier Perf...
- Publication number 20120104078
- Publication date May 3, 2012
- Zhiquan Yan
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
Hermetically Sealed Paperboard Container with Enhanced Barrier Perf...
- Publication number 20110259943
- Publication date Oct 27, 2011
- Zhiquan Yan
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
HERMETICALLY SEALED PAPERBOARD CONTAINERS WITH ENHANCED BARRIER PER...
- Publication number 20110168771
- Publication date Jul 14, 2011
- MEADWESTVACO CORPORATION
- Zhiquan Quentin Yan
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD