Patent · US Expired

Materials for packing nicotine-containing products

US6790496B1 · kind B1 · utility

105Cited by

6References

33Claims

0Family size

Assignee

Pfizer Health AB · SE

Inventors

Gustav Levander · Bromma, SE
Anders Karlsson · Gävle, SE
Ingemar Hildingsson · Lund, SE

Key dates

Filing date	Oct 17, 2001
Grant date	Sep 14, 2004
Priority date	—
Expiry date	Oct 17, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/1383
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A material for packaging a nicotine product comprising a polymer based on dimethyl-2,6-naphthalene dicarboxylic or 2,6-naphthalene dicarboxylic acid monomers, such as polyethylene naphtalate (PEN) or polytrimethylene naphtalate (PTN), or a liquid crystal polymer (LPC). The material may be laminated to another polymer or to metal foil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.