Patent · US Active

Use of saling aqueous solution as hydrated humectant for tobacco stem

US10015983B2 · kind B2 · utility

0Cited by

4References

5Claims

0Family size

Assignee

SHANGHAI TOBACCO GROUP CO., LTD · CN

Inventors

Yunfei Sha · Shanghai, CN
Jiaying Lou · Shanghai, CN
Da Wu · Shanghai, CN
Baizhan Liu · Shanghai, CN
Bin Yang · Chengdu, CN

Key dates

Filing date	Apr 7, 2013
Grant date	Jul 10, 2018
Priority date	—
Expiry date	Apr 25, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24B15/287
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A moistening method for tobacco stems comprises 1) preparing a hydrated humectant for tobacco stem, 2) placing cut tobacco stems in the hydrated humectant to form impregnated cut tobacco stems; 3) taking out and drying the impregnated cut tobacco stems; the hydrated humectant for tobacco stem is a saline aqueous solution of AnB, the AnB is NaH2PO4, potassium gluconate or oxalic acid, and each one of the AnB has a weight-percent concentration of 0.05 wt % to 5 wt %.

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