Patent · US Active

Method for removing polycyclic aromatic hydrocarbons

US9527011B2 · kind B2 · utility

1Cited by

0References

17Claims

0Family size

Assignee

British American Tobacco (Investments) Limited · GB

Inventors

Stig Jonsson · Lund, SE
Staffan Bergstrom · Linköping, SE
Johan Billing · Lund, SE

Key dates

Filing date	Jun 26, 2009
Grant date	Dec 27, 2016
Priority date	—
Expiry date	Jan 2, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02C20/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for extracting a polycyclic aromatic hydrocarbon from a material such as tobacco or tobacco extracts or other materials comprises treating the material with a molecularly imprinted polymer selective for the hydrocarbon in the presence of a low polarity medium.

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