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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9675104 B1

PDFFull Text
Expired
Date of Patent:
Jun. 13, 2017

Filed:

Mar. 11, 2013

Cigarette paper additive having harm reduction function and application thereof

Applicant:

China Tobacco Chuanyu Industrial Co., Ltd, Longquanyi District, Chengu, Sichuan, CN;

Inventors:

Ya Dai, Chengdu, CN;

Deqing Zhao, Chengdu, CN;

Kefu Chen, Chengdu, CN;

Kunyan Chen, Chengdu, CN;

Lijun Zhu, Chengdu, CN;

Yufeng Sun, Chengdu, CN;

Lanlan Tan, Chengu, CN;

Assignees:

CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD., Chengdu, CN;

CHINA TOBACCO CHONGQING INDUSTRIAL CO., LTD., Chongqing, CN;

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Dennis Cordray

Int. Cl.
CPC ...
A24D 1/00 (2006.01); A24D 1/02 (2006.01); D21H 19/12 (2006.01); D21H 23/24 (2006.01); D21H 27/00 (2006.01); D21H 17/14 (2006.01); D21H 17/64 (2006.01); D21H 17/66 (2006.01); D21H 27/08 (2006.01);
U.S. Cl.
CPC ...
A24D 1/02 (2013.01); A24D 1/002 (2013.01); D21H 17/14 (2013.01); D21H 17/64 (2013.01); D21H 17/66 (2013.01); D21H 27/00 (2013.01); D21H 27/08 (2013.01);
Abstract

A cigarette paper additive having harm reduction function and application thereof are provided. The additive contains alkali metal salts of butane tetracarboxylic acid or cyclobutane tetracarboxylic acid which are prepared by reacting the butane tetracarboxylic acid or cyclobutane tetracarboxylic acid with alkali. The application thereof is evenly adding the aqueous additive solution at different concentrations to cigarette paper by a metering rod-type film transfer sizing machine in a sizing section of the cigarette paper production, and the produced cigarette paper is used for cigarette production that can effectively reduce release of CO, phenol and tar in the mainstream smoke, and has better effects of harm reduction and tar reduction. The method of the invention is easy, does not need to alter the existing cigarette paper production process, and has low cost and higher industrial application value.

Find Patent Forward Citations

Dai, Ya. (2017). Cigarette paper additive having harm reduction function and application thereof (U.S. Patent No. 9675104). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9675104

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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