Michael T. Heffelfinger

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Alpharetta, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer film with core layer of syndiotactic polypropylene
- Patent number 6,979,495
- Issue date Dec 27, 2005
- ExxonMobil Oil Corporation
- Jay K. Keung
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Styrenic block copolymer breathable elastomeric films
- Patent number 6,794,024
- Issue date Sep 21, 2004
- Kimberly-Clark Worldwide, Inc.
- Glynis Allicia Walton
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
One-step method of producing an elastic, breathable film structure
- Patent number 6,582,810
- Issue date Jun 24, 2003
- Kimberly-Clark Worldwide, Inc.
- Michael T. Heffelfinger
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polypropylene films
- Publication number 20030211309
- Publication date Nov 13, 2003
- Vifan USA, Inc.
- Vittoriano DiLuzio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Metallized film having a medium density polyethylene layer
- Publication number 20030148121
- Publication date Aug 7, 2003
- Vifan USA, Inc.
- Vittoriano DiLuzio
- B32 - LAYERED PRODUCTS
Information Patent Application
Multi-layer film with core layer of syndiotactic polypropylene
- Publication number 20020155308
- Publication date Oct 24, 2002
- Michael T. Heffelfinger
- B32 - LAYERED PRODUCTS
Information Patent Application
One-step method of producing an elastic, breathable film structure
- Publication number 20020081423
- Publication date Jun 27, 2002
- Michael T. Heffelfinger
- B32 - LAYERED PRODUCTS
Information Patent Application
MULTI-LAYER FILM WITH CORE LAYER OF SYNDIOTACTIC POLYPROPYLENE
- Publication number 20010055692
- Publication date Dec 27, 2001
- MICHAEL T. HEFFELFINGER
- B32 - LAYERED PRODUCTS